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DIFFRACTION STANDARD

  • Diffraction standard
  • Crystal used to calibrate an x-ray spectrometer

    Centre for Diffraction Data round robin study of silver behenate. A possible low-angle X-ray diffraction calibration standard". Powder Diffraction. 10 (2):

    Diffraction standard

    Diffraction_standard

  • Diffraction grating
  • Optical component which splits light into several beams

    In optics, a diffraction grating is a grating with a periodic structure of appropriate scale so as to diffract light, or another type of electromagnetic

    Diffraction grating

    Diffraction grating

    Diffraction_grating

  • Double-slit experiment
  • Physics experiment

    Fresnel diffraction equation, which implies that as the plane of observation gets closer to the plane in which the slits are located, the diffraction patterns

    Double-slit experiment

    Double-slit experiment

    Double-slit_experiment

  • International Centre for Diffraction Data
  • International Centre for Diffraction Data (ICDD) maintains a database of powder diffraction patterns, the Powder Diffraction File (PDF), including the

    International Centre for Diffraction Data

    International_Centre_for_Diffraction_Data

  • Silver behenate
  • Chemical compound

    Centre for Diffraction Data round robin study of silver behenate. A possible low-angle X-ray diffraction calibration standard". Powder Diffraction. 10 (2):

    Silver behenate

    Silver_behenate

  • Airy disk
  • Diffraction pattern in optics

    can make, limited by the diffraction of light. The Airy disk is of importance in physics, optics, and astronomy. The diffraction pattern resulting from

    Airy disk

    Airy disk

    Airy_disk

  • Kapitsa–Dirac effect
  • Diffraction of matter by light

    mechanical effect consisting of the diffraction of matter by a standing wave of light, in complete analogy to the diffraction of light by a periodic grating

    Kapitsa–Dirac effect

    Kapitsa–Dirac_effect

  • Powder diffraction
  • Experimental method in X-ray diffraction

    Powder diffraction is a scientific technique using X-ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization

    Powder diffraction

    Powder diffraction

    Powder_diffraction

  • Time-of-flight diffraction ultrasonics
  • summarized TOFD as tip-diffraction techniques which utilized the principle that the tips of a crack when struck by a wave will diffract the signals back to

    Time-of-flight diffraction ultrasonics

    Time-of-flight diffraction ultrasonics

    Time-of-flight_diffraction_ultrasonics

  • Fraunhofer diffraction equation
  • Mathematical explanation of far field diffraction

    Fraunhofer diffraction equation is used to model the diffraction of waves when the diffraction pattern is viewed at a long distance from the diffracting object

    Fraunhofer diffraction equation

    Fraunhofer_diffraction_equation

  • Electron backscatter diffraction
  • Scanning electron microscopy technique

    information within each diffraction pattern can be analysed in more detail. For texture and orientation measurements, the diffraction patterns are binned

    Electron backscatter diffraction

    Electron backscatter diffraction

    Electron_backscatter_diffraction

  • Clay mineral X-ray diffraction
  • clay. Diffraction patterns calculated using theoretical methods do not generally match with experimental diffraction patterns, so using diffraction patterns

    Clay mineral X-ray diffraction

    Clay_mineral_X-ray_diffraction

  • Echelle grating
  • Type of diffraction grating used in spectrometers

    for use at high incidence angles and therefore in high diffraction orders. Higher diffraction orders provide increased dispersion (spacing) of spectral

    Echelle grating

    Echelle grating

    Echelle_grating

  • Diffraction from slits
  • Wave phenomenon

    of diffraction and the obstruction point increases, the diffraction patterns or results predicted converge towards those of Fraunhofer diffraction, which

    Diffraction from slits

    Diffraction from slits

    Diffraction_from_slits

  • Holographic weapon sight
  • Type of gunsight

    holographic grating. The holographic grating is a blazed diffraction grating designed to diffract only the particular required wavelength of light correctly

    Holographic weapon sight

    Holographic weapon sight

    Holographic_weapon_sight

  • Transmission electron microscopy
  • Imaging and diffraction using electrons that pass through samples

    strength of current to the intermediate lens, the diffraction pattern is projected on a screen. Diffraction is a very powerful tool for doing a cell reconstruction

    Transmission electron microscopy

    Transmission electron microscopy

    Transmission_electron_microscopy

  • Transmission Kikuchi diffraction
  • Nanoscale orientation mapping method

    Transmission Kikuchi diffraction setup Transmission Kikuchi diffraction (TKD), also sometimes called transmission electron backscatter diffraction (t-EBSD), is

    Transmission Kikuchi diffraction

    Transmission Kikuchi diffraction

    Transmission_Kikuchi_diffraction

  • Precession electron diffraction
  • Averaging technique for electron diffraction

    Precession electron diffraction (PED) is a specialized method to collect electron diffraction patterns in a transmission electron microscope (TEM). By

    Precession electron diffraction

    Precession electron diffraction

    Precession_electron_diffraction

  • Neutron diffraction
  • Technique to investigate atomic structures using neutron scattering

    to obtain a diffraction pattern that provides information of the structure of the material. The technique is similar to X-ray diffraction but, due to

    Neutron diffraction

    Neutron_diffraction

  • Crystallography
  • Scientific study of crystal structures

    the type of beam used, as in the terms X-ray diffraction, neutron diffraction and electron diffraction. These three types of radiation interact with

    Crystallography

    Crystallography

    Crystallography

  • Physical optics
  • Branch of optics

    effects. It models several interference, diffraction and polarization effects but not the dependence of diffraction on polarization. Since this is a high-frequency

    Physical optics

    Physical optics

    Physical_optics

  • Multifocal intraocular lens
  • Implanted lens in the eye allowing reasonable focus for a range of distances

    For diffractive types of multifocal IOLs, light is split by diffraction and the vision is pupil independent. However, the physics behind a diffractive IOL

    Multifocal intraocular lens

    Multifocal_intraocular_lens

  • Laser diffraction analysis
  • Technology for measuring geometrical dimensions of particle

    Laser diffraction analysis, also known as laser diffraction spectroscopy, is a technology that utilizes diffraction patterns of a laser beam passed through

    Laser diffraction analysis

    Laser diffraction analysis

    Laser_diffraction_analysis

  • Optical microscope
  • Microscope that uses visible light

    It is these impacts of diffraction that limit the ability to resolve fine details. The extent and magnitude of the diffraction patterns are affected by

    Optical microscope

    Optical microscope

    Optical_microscope

  • Wavelength
  • Distance over which a wave's shape repeats

    called diffraction. Two types of diffraction are distinguished, depending upon the separation between the source and the screen: Fraunhofer diffraction or

    Wavelength

    Wavelength

    Wavelength

  • Wave–particle duality
  • Concept in quantum mechanics

    non-relativistic diffraction model for electrons by Hans Bethe based upon the Schrödinger equation, which is very close to how electron diffraction is now described

    Wave–particle duality

    Wave–particle_duality

  • 4D scanning transmission electron microscopy
  • Form of electron microscopy

    scanning electron nano diffraction (SEND), nanobeam electron diffraction (NBED), or pixelated STEM. The use of diffraction patterns as a function of

    4D scanning transmission electron microscopy

    4D_scanning_transmission_electron_microscopy

  • Superlens
  • Type of transmissive optical device

    metamaterials to achieve super-resolution imaging and go beyond the diffraction limit. The diffraction limit is a feature of conventional lenses and microscopes

    Superlens

    Superlens

  • Dalton (unit)
  • Standard unit of mass for atomic-scale entities

    carbon-12 be adopted as the mass scale because of carbon's use as a secondary standard in mass spectrometry. Also, carbon-12 implied acceptable relative changes

    Dalton (unit)

    Dalton_(unit)

  • Fresnel zone
  • Region of space between a transmitting and receiving antenna

    diameter Diversity scheme Elliptical reflectors and acoustics Fresnel diffraction Fresnel integral Fresnel number Fresnel zone plate Fresnel zone antenna

    Fresnel zone

    Fresnel zone

    Fresnel_zone

  • Lanthanum hexaboride
  • Chemical compound

    Institute of Standards & Technology Certificate Standard Reference Material 660c Line Position and Line Shape Standard for Powder Diffraction (Lanthanum

    Lanthanum hexaboride

    Lanthanum hexaboride

    Lanthanum_hexaboride

  • Quasicrystal
  • Ordered chemical structure with no repeating pattern

    evidenced by X-ray and electron diffraction revealing peak widths as sharp as those of perfect crystals such as Si. Diffraction patterns exhibit fivefold,

    Quasicrystal

    Quasicrystal

    Quasicrystal

  • Point diffraction interferometer
  • Type of common-path interferometer

    a diffraction grating interferometer by Kwon and the Phase-Shifting Point Diffraction Interferometer. Gary Sommargren proposed a point diffraction interferometer

    Point diffraction interferometer

    Point diffraction interferometer

    Point_diffraction_interferometer

  • Microcrystal electron diffraction
  • Specialized technique for electron diffraction

    experiment are standard and broadly available. Electron diffraction to solve crystal structures date back to the earliest days of electron diffraction. The first

    Microcrystal electron diffraction

    Microcrystal_electron_diffraction

  • Matter wave
  • Quantum mechanical waves describing matter

    Broglie hypothesis, diffraction was a property that was thought to be exhibited only by waves. Therefore, the presence of any diffraction effects by matter

    Matter wave

    Matter_wave

  • List of ISO standards 12000–13999
  • Standardization (ISO) standards and other deliverables. For a complete and up-to-date list of all the ISO standards, see the ISO catalogue. The standards are protected

    List of ISO standards 12000–13999

    List_of_ISO_standards_12000–13999

  • Gold bar
  • Quantity of refined metallic gold

    rolled gold sheets. Central banks typically hold in their gold reserves the standard 400-troy-ounce (438.9-ounce; 27.4-pound; 12.4-kilogram) Good Delivery gold

    Gold bar

    Gold bar

    Gold_bar

  • Electron microscope
  • Type of microscope with electrons as a source of illumination

    electron diffraction mode where a map of the angles of the electrons leaving the sample is produced. The advantages of electron diffraction over X-ray

    Electron microscope

    Electron microscope

    Electron_microscope

  • List of ISO standards 14000–15999
  • Standardization (ISO) standards and other deliverables. For a complete and up-to-date list of all the ISO standards, see the ISO catalogue. The standards are protected

    List of ISO standards 14000–15999

    List_of_ISO_standards_14000–15999

  • George Bacon (physicist)
  • intensities diffracted by crystals, which led to studies of the basic structure of molecules and of magnetism. His book Neutron Diffraction was a standard text

    George Bacon (physicist)

    George_Bacon_(physicist)

  • Prussian blue
  • Synthetic pigment

    product was traditionally named Turnbull's blue (TB). X-ray diffraction and electron diffraction methods have shown, though, that the structures of PB and

    Prussian blue

    Prussian blue

    Prussian_blue

  • Holography
  • Using wave optics to reproduce a three-dimensional light field

    to understand interference and diffraction. Interference occurs when one or more wavefronts are superimposed. Diffraction occurs when a wavefront encounters

    Holography

    Holography

    Holography

  • Super-resolution imaging
  • Any technique to improve resolution of an imaging system beyond conventional limits

    imaging system, thus achieving "super resolution" (SR). In optical SR the diffraction limit of systems is transcended by means of a super lens, while in geometrical

    Super-resolution imaging

    Super-resolution_imaging

  • Tutton's salt
  • Class of chemical compounds

    1970). "Standard X-ray Diffraction Powder Patterns" (PDF). National Bureau of Standards Monograph 25 Section 8. National Bureau of Standards. Retrieved

    Tutton's salt

    Tutton's_salt

  • Acousto-optics
  • Study of interactions between sound and light

    diffracted by an acoustic wave of a single frequency produces two distinct diffraction types. These are Raman–Nath diffraction and Bragg diffraction.

    Acousto-optics

    Acousto-optics

    Acousto-optics

  • CrysTBox
  • Free crystallographic software

    interaction, but it does not cover advanced diffraction features like double diffraction covered by dynamical diffraction theory, even though some phenomena caused

    CrysTBox

    CrysTBox

    CrysTBox

  • Zone plate
  • Device used to focus light using diffraction

    exhibiting wave character. Unlike lenses or curved mirrors, zone plates use diffraction instead of refraction or reflection. Based on analysis by French physicist

    Zone plate

    Zone plate

    Zone_plate

  • Phases of ice
  • States of matter for water as a solid

    structure is stable down to −268 °C (5 K; −450 °F), as evidenced by x-ray diffraction and extremely high resolution thermal expansion measurements. Ice Ih

    Phases of ice

    Phases of ice

    Phases_of_ice

  • Soil texture
  • Property of a soil

    same diffraction pattern as the investigated particle. The angle of diffraction depends on the particle size, hence the pattern of diffraction depends

    Soil texture

    Soil texture

    Soil_texture

  • Electron crystallography
  • Method to determine atomic positions in solids using an electron microscope

    transmission electron microscopy images, electron diffraction patterns including convergent-beam electron diffraction or combinations of these. It has been successful

    Electron crystallography

    Electron_crystallography

  • Atomic force microscopy
  • Type of very-high-resolution microscopy

    fractions of a nanometer, more than 1,000 times better than the optical diffraction limit. Atomic force microscopy (AFM) gathers information by "feeling"

    Atomic force microscopy

    Atomic force microscopy

    Atomic_force_microscopy

  • Diamond anvil cell
  • Device for generating extremely high pressures

    diamonds and illuminated by X-rays and visible light. In this way, X-ray diffraction and fluorescence; optical absorption and photoluminescence; Mössbauer

    Diamond anvil cell

    Diamond anvil cell

    Diamond_anvil_cell

  • White phosphorus
  • Chemical compound

    P-P bond length of rg = 2.1994(3) Å as was determined by gas electron diffraction. The β form of white phosphorus contains three slightly different P 4

    White phosphorus

    White phosphorus

    White_phosphorus

  • Orbital angular momentum of light
  • Type of angular momentum in light

    modify the phase of the light is with a diffraction grating. For an l = 0 {\displaystyle l=0} state, the diffraction grating would consist of parallel lines

    Orbital angular momentum of light

    Orbital angular momentum of light

    Orbital_angular_momentum_of_light

  • Erbium arsenate
  • Chemical compound

    reported as part of systematic studies of rare-earth arsenates. A standard diffraction sample was prepared from an aqueous solution of arsenic pentoxide

    Erbium arsenate

    Erbium arsenate

    Erbium_arsenate

  • F-number
  • Measure of lens speed

    design, and diffraction which is due to the wave nature of light. The blur-optimal f-stop varies with the lens design. For modern standard lenses having

    F-number

    F-number

    F-number

  • List of ISO standards 16000–17999
  • Standardization (ISO) standards and other deliverables. For a complete and up-to-date list of all the ISO standards, see the ISO catalogue. The standards are protected

    List of ISO standards 16000–17999

    List_of_ISO_standards_16000–17999

  • Winnie Wong-Ng
  • Chinese-American chemist

    synchrotron X-ray and neutron diffraction techniques. In 2000, Wong-Ng became a fellow of the International Centre for Diffraction Data (ICDD). She was awarded

    Winnie Wong-Ng

    Winnie Wong-Ng

    Winnie_Wong-Ng

  • Line-of-sight propagation
  • Characteristic of electromagnetic radiation

    landscape[clarification needed] diffraction into the "street canyon" below multipath reflection along the street diffraction through windows, and attenuated

    Line-of-sight propagation

    Line-of-sight propagation

    Line-of-sight_propagation

  • Lens
  • Optical device which transmits and refracts light

    actually zero, since diffraction places a lower limit on the size of the point spread function. This is called the diffraction limit. Lenses do not form

    Lens

    Lens

    Lens

  • Huntington Beach Pier
  • United States historic place

    ocean waves here are enhanced by a natural effect caused by the edge-diffraction of open-ocean swells around Catalina Island, creating consistent surf

    Huntington Beach Pier

    Huntington Beach Pier

    Huntington_Beach_Pier

  • Avogadro constant
  • Conversion constant for amount of substance

    accurate estimate of the Avogadro number. X-ray crystallography uses the diffraction of X-rays by a crystal to accurately measure the distances between layers

    Avogadro constant

    Avogadro constant

    Avogadro_constant

  • Length measurement
  • Ways in which length, distance or range can be measured

    measuring long distances. For tiny objects such as crystals and diffraction gratings, diffraction is used with X-ray light, or even electron beams. Measurement

    Length measurement

    Length_measurement

  • Ptychography
  • Method of microscopic imaging

    regions, and a diffraction pattern is recorded at each position. The overlap between adjacent probe positions in real space and diffraction data in reciprocal

    Ptychography

    Ptychography

    Ptychography

  • Light
  • Electromagnetic radiation humans can see

    Physical optics incorporates wave properties and is needed to understand diffraction and interference. Quantum optics applies when studying individual photons

    Light

    Light

    Light

  • 1951 USAF resolution test chart
  • Microscopic optical resolution test device

    elements spans the range of resolution of the unaided eye, down to the diffraction limits of conventional light microscopy. Commercially produced devices

    1951 USAF resolution test chart

    1951 USAF resolution test chart

    1951_USAF_resolution_test_chart

  • Near and far field
  • Regions of an electromagnetic field

    approaches the far field. Local effects Fraunhofer diffraction for more on the far field Fresnel diffraction for more on the near field Inductive heating of

    Near and far field

    Near and far field

    Near_and_far_field

  • Acta Crystallographica Section A
  • Academic journal

    initially titled Acta Crystallographica Section A: Crystal Physics, Diffraction, Theoretical and General Crystallography. The journal's name changed

    Acta Crystallographica Section A

    Acta_Crystallographica_Section_A

  • DNA
  • Molecule that carries genetic information

    of polyamines in solution. The first published reports of A-DNA X-ray diffraction patterns—and also B-DNA—used analyses based on Patterson functions that

    DNA

    DNA

    DNA

  • Focus (optics)
  • Point at which light rays converge

    possible blur circle is the Airy disc caused by diffraction from the optical system's aperture; diffraction is the ultimate limit to the light focusing ability

    Focus (optics)

    Focus (optics)

    Focus_(optics)

  • Noise reduction coefficient
  • Sound absorption performance of a material

    in reverberation-room testing due to measurement effects such as edge diffraction and non-ideal diffuse-field conditions rather than “more than 100%” absorption

    Noise reduction coefficient

    Noise reduction coefficient

    Noise_reduction_coefficient

  • Dysprosium arsenate
  • Chemical compound

    rare-earth arsenates in aqueous solution. A sample used for standard powder-diffraction measurements was prepared from an aqueous solution of dysprosium

    Dysprosium arsenate

    Dysprosium arsenate

    Dysprosium_arsenate

  • Reverberation
  • Persistence of sound after it is produced

    Values measured in a reverberation room can exceed 1.0 because edge diffraction effects increase the effective absorbing area beyond the physical dimensions

    Reverberation

    Reverberation

  • Index of physics articles (D)
  • calorimetry Differential stress Diffraction Diffraction-limited system Diffraction grating Diffraction standard Diffraction tomography Diffuse Infrared Background

    Index of physics articles (D)

    Index_of_physics_articles_(D)

  • Path loss
  • Signal attenuation in telecommunications

    between the transmitter and receiver. Diffraction: When a radio wave encounters an obstacle, it can be diffracted, or bent around the edge of the obstacle

    Path loss

    Path_loss

  • Amorphous solid
  • Non-crystalline solid

    needed] Unlike crystalline materials, which exhibit strong Bragg diffraction, the diffraction patterns of amorphous materials are characterized by broad and

    Amorphous solid

    Amorphous_solid

  • Mercury (element)
  • Chemical element with atomic number 80 (Hg)

    (2021). "Liquid structure under extreme conditions: High-pressure x-ray diffraction studies". Journal of Physics: Condensed Matter. 33 (50). Bibcode:2021JPCM

    Mercury (element)

    Mercury (element)

    Mercury_(element)

  • Uncertainty principle
  • Foundational principle in quantum physics

    Werner Heisenberg, the formal inequality relating the standard deviation of position σx and the standard deviation of momentum σp was derived by Earle Hesse

    Uncertainty principle

    Uncertainty principle

    Uncertainty_principle

  • Electron channelling contrast imaging
  • Microscope diffraction technique

    channelling contrast imaging (ECCI) is a scanning electron microscope (SEM) diffraction technique used in the study of defects in materials. These can be dislocations

    Electron channelling contrast imaging

    Electron_channelling_contrast_imaging

  • Compact disc
  • Digital optical disc data storage format

    digital audio recordings. It employs the Compact Disc Digital Audio (CD-DA) standard and is capable of holding uncompressed stereo audio. First released in

    Compact disc

    Compact disc

    Compact_disc

  • Equivalent spherical diameter
  • Diameter of a sphere of the same volume as an irregularly-shaped subject

    speaking, the laser diffraction equivalent diameter is the diameter of a sphere yielding, on the same detector geometry, the same diffraction pattern as the

    Equivalent spherical diameter

    Equivalent_spherical_diameter

  • Joseph A. Mandarino
  • to 1975. He was also a member of the Joint Committee on Powder Diffraction Standards. In 1983, he took over from Michael Fleischer as chairman of the

    Joseph A. Mandarino

    Joseph_A._Mandarino

  • Timeline of the discovery and classification of minerals
  • 1978, Joint Committee on Powder Diffraction Standards (JCPDS) is renamed International Centre for Diffraction Data (ICDD). A lot of compounds have

    Timeline of the discovery and classification of minerals

    Timeline_of_the_discovery_and_classification_of_minerals

  • Optics
  • Branch of physics that studies light

    of situations such as diffraction through a single gap, diffraction through multiple slits, or diffraction through a diffraction grating that contains

    Optics

    Optics

  • Mosaicity
  • Measure of the spread of crystal-plane orientations

    Empirically, mosaicities can be determined by measuring rocking curves. Diffraction by mosaics is described by the Darwin–Hamilton equations. The mosaic

    Mosaicity

    Mosaicity

  • Bessel beam
  • Non-diffractive wave

    axisymmetric diffraction gratings, or by placing a narrow annular aperture in the far field. High order Bessel beams can be generated by spiral diffraction gratings

    Bessel beam

    Bessel beam

    Bessel_beam

  • Crystallographic database
  • intensities and lattice spacings from X-ray powder diffraction data with entries in powder-diffraction fingerprinting databases.Crystal structures of nanometer

    Crystallographic database

    Crystallographic_database

  • Barium thiosulfate
  • Chemical compound

    1107/S0021889878014363. Standard X-ray Diffraction Powder Patterns, Section 16 (Report). NBS Monograph 25. National Bureau of Standards. Manojlović-Muir, L

    Barium thiosulfate

    Barium_thiosulfate

  • Petrography
  • Branch of petrology focusing on detailed descriptions of rocks

    Individual mineral grains from a rock sample may also be analyzed by X-ray diffraction when optical means are insufficient. Analysis of microscopic fluid inclusions

    Petrography

    Petrography

  • Isaac Newton
  • English polymath (1642–1727)

    medium to explain interference patterns and the general phenomenon of diffraction. In his Hypothesis of Light of 1675, Newton posited the existence of

    Isaac Newton

    Isaac Newton

    Isaac_Newton

  • Leed (disambiguation)
  • Topics referred to by the same term

    producer Melveen Leed (born 1943), Hawaiian singer Low-energy electron diffraction, a characterization technique in crystallography Leeds (disambiguation)

    Leed (disambiguation)

    Leed_(disambiguation)

  • Microscopy
  • Viewing of objects which are too small to be seen with the naked eye

    electromagnetic energy to improve the image resolution beyond that of the diffraction limit of standard optical microscopes. This technique is used for non-destructive

    Microscopy

    Microscopy

    Microscopy

  • Sound
  • Audible vibration that travels via pressure waves in matter

    waves exhibit behaviours such as reflection, transmission, refraction, diffraction, absorption, and attenuation. When sound is moving through a non‑homogeneous

    Sound

    Sound

    Sound

  • Optical transfer function
  • Characteristic of an optical system

    systems in panels (a) and (d). The former corresponds to the ideal, diffraction-limited, imaging system with a circular pupil. Its transfer function

    Optical transfer function

    Optical transfer function

    Optical_transfer_function

  • Residual stress
  • Stresses which remain in a solid material after the original cause is removed

    Synchrotron Diffraction - Requires a synchrotron but provide similarly useful data as eStress and the neutron diffraction methods. X-Ray Diffraction - a limited

    Residual stress

    Residual stress

    Residual_stress

  • Cellular repeater
  • Type of bi-directional amplifier

    radio waves do, cell phone waves cannot travel via the ionosphere. (See Diffraction and Attenuation for more details). Repeaters are available for all of

    Cellular repeater

    Cellular_repeater

  • STED microscopy
  • Technique in fluorescence microscopy

    methods use mathematical models to reconstruct a sub diffraction limit from many sets of diffraction limited images. In traditional microscopy, the resolution

    STED microscopy

    STED microscopy

    STED_microscopy

  • Red sky at morning
  • Natural atmospheric phenomenon

    morning, "It will be stormy today, for the sky is red and threatening." Diffraction Sunrise Sailors' superstitions Weather lore Kentucky Weather, by Jerry

    Red sky at morning

    Red sky at morning

    Red_sky_at_morning

  • Wi-Fi
  • Family of wireless network protocols

    family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet

    Wi-Fi

    Wi-Fi

    Wi-Fi

  • Coherence time
  • Time of electromagnetic wave coherence

    be reduced by propagation factors such as dispersion, scattering, and diffraction. The coherence time, usually designated τ, is calculated by dividing

    Coherence time

    Coherence_time

Searches for online references containing DIFFRACTION STANDARD

DIFFRACTION STANDARD

Search references containing DIFFRACTION STANDARD

DIFFRACTION STANDARD

  • Bowditch
  • Surname or Lastname

    English

    Bowditch

    English : probably a habitational name from a place in Devon named Bowditch, from the Old English phrase būfan dīce ‘above the ditch’.The surname Bowditch is well known in New England. Nathaniel Bowditch (1773–1838), author of The Practical Navigator (1772), a standard work that went through more than sixty editions, was born in Salem, MA, the son of a shipmaster. The family can be traced back, via a clothier who settled in New England in 1671, to Thorncombe in Devon in the early 16th century.

    Bowditch

  • Gay
  • Surname or Lastname

    English and French

    Gay

    English and French : nickname for a lighthearted or cheerful person, from Middle English, Old French gai. In Middle English the term could also mean ‘wanton’, ‘lascivious’ and this sense may lie behind the surname in some instances.English (of Norman origin) : habitational name from places in Normandy called Gaye, from an early proprietor bearing a Germanic personal name cognate with Wade.probably from the Catalan personal name Gai (Latin Gaius), or in some cases a nickname from Catalan gay ‘cheerful’.Variant of German Gau.North German : from a Frisian personal name Gay.A Congregational clergyman and one of the forerunners of the Unitarian movement in New England, Ebenezer Gay (1696–1787) was born in Dedham, MA, which had been founded by his grandfather, John Gay, who came to America from Wiltshire, England, about 1630 and settled in Watertown, MA. Ebenezer’s great-grandson Howard was editor of the American Anti-Slavery Standard.

    Gay

  • Nisan
  • Girl/Female

    Biblical

    Nisan

    Standard, miracle.

    Nisan

  • Jerome
  • Surname or Lastname

    French (Jérôme) and English

    Jerome

    French (Jérôme) and English : from the medieval personal name Jérôme (French), Jerome (English), from Greek Hierōnymos (see Hieronymus). This achieved some popularity in France and elsewhere, being bestowed in honor of St Jerome (?347–420), creator of the Vulgate, the standard Latin version of the Bible.English (of Norman origin) : from a personal name, Gerram, composed of the Germanic elements gār, gēr ‘spear’ + hraban ‘raven’.A Jerome is recorded in Montreal in 1655 with the secondary surnames Beaune and Leblanc. Another bearer of the name, from Brittany, is recorded in Montreal in 1705 with the secondary surname Latour.

    Jerome

  • Trapp
  • Surname or Lastname

    English

    Trapp

    English : metonymic occupational name for a trapper, from a derivative of Middle English trapp ‘trap’.German : nickname for a stupid person, from Middle High German trappe ‘bustard’ (of Slavic origin).German : topographic name for someone living by a step-like feature in the terrain, from Middle Low German treppe, trappe ‘step’, or by a flight of steps, standard German Treppe.Thomas Trapp (b. 1635) was in Edgartown, Martha’s Vineyard, MA, by 1659. He or his family probably came originally from Great Baddow, Essex, England.

    Trapp

  • Neve
  • Surname or Lastname

    English, Dutch, Danish, and Swedish

    Neve

    English, Dutch, Danish, and Swedish : from Middle English, Old Norse, Middle Dutch neve ‘nephew’, presumably denoting the nephew of some great personage.French (Nève) : Lyonnais habitational name from the Rhône place name En Nève, which derives from misdivision of En ève ‘in water’ (modern standard French en eau).Italian : from the personal name Neve, which may be from neve ‘snow’ (Latin nix, genitive nivis), possibly denoting a white-haired or very pale-complexioned person, or, according to Caracausi, may be a variant of the personal name Neves, from the Marian epithet Madonna della Neve or Maria Santissima ad nives ‘Mary of the Snows’.Portuguese and Galician : from neve ‘snow’. Compare 3.A family by the name Neve traces its descent from Robert le Neve, living in Tivetshall, Norfolk, in the 14th century.

    Neve

  • Millward
  • Surname or Lastname

    English (chiefly West Midlands)

    Millward

    English (chiefly West Midlands) : occupational name for someone in charge of a mill, from Old English mylen ‘mill’ + weard ‘guardian’. In southern England and the West Midlands this was a standard medieval term for a miller. Compare Miller.

    Millward

  • Miller
  • Surname or Lastname

    English and Scottish

    Miller

    English and Scottish : occupational name for a miller. The standard modern vocabulary word represents the northern Middle English term, an agent derivative of mille ‘mill’, reinforced by Old Norse mylnari (see Milner). In southern, western, and central England Millward (literally, ‘mill keeper’) was the usual term.Southwestern and Swiss German and Jewish (Ashkenazic) : variant of Müller (see Mueller).

    Miller

  • Bruster
  • Surname or Lastname

    English

    Bruster

    English : variant of Brewster.English : occupational name for an embroiderer, Middle English broudestere (from Old French brouder ‘to embroider’, of Germanic origin). The suffix -ster(e) was originally feminine, but by the Middle English period was being used interchangeably for both men and women in words like Brewster and Baxter, and in some regions such as East Anglia was the standard occupational suffix for men as well as women. Nevertheless, there is no evidence that men did very much embroidery.Swiss German : variant of Brust 2, the suffix -er denoting an inhabitant.

    Bruster

  • Beans
  • Surname or Lastname

    English

    Beans

    English : variant of Bean.Probably a translation of German Bohne, which while singular in standard German is also a dialect plural (the singular form being Bohn), or an Americanized spelling of Binz.

    Beans

  • Standard
  • Surname or Lastname

    English

    Standard

    English : habitational name from Standard Hill in Ninfield, Sussex.

    Standard

  • Brunswick
  • Surname or Lastname

    English

    Brunswick

    English : habitational name from the city in Saxony now known in German as Braunschweig (see 2).German : habitational name from the original Middle Low German name (a compound of Bruns + wik ‘Bruno’s settlement’) of Braunschweig (Brunswick); the standard German form was adopted in 1573.

    Brunswick

  • Banner
  • Surname or Lastname

    English (Midlands)

    Banner

    English (Midlands) : metonymic occupational name for a standard bearer, from Anglo-Norman French banere ‘flag’, ‘ensign’ (see Bannerman).German : occupational name for a standard bearer, Middle High German banier, Middle Low German banner, from French bannière ‘flag’, ‘standard’.

    Banner

  • Albert
  • Surname or Lastname

    English, French, North German, Danish, Catalan, Hungarian, Czech, Slovak, Slovenian, etc.

    Albert

    English, French, North German, Danish, Catalan, Hungarian, Czech, Slovak, Slovenian, etc. : from the personal name Albert, composed of the Germanic elements adal ‘noble’ + berht ‘bright’, ‘famous’. The standard German form is Albrecht. This, in its various forms, was one of the most popular of all European male personal names in the Middle Ages. It was borne by various churchmen, notably St. Albert of Prague, a Bohemian prince who died a martyr in 997 attempting to convert the Prussians to Christianity; also St. Albert the Great (?1193–1280), an Aristotelian theologian and tutor of Thomas Aquinas. It was also the name of princes and military leaders, such as Albert the Bear (1100–70), Margrave of Brandenburg. In more recent times it has been adopted as a Jewish family name.A bearer of the surname Albert, from Saintonge, France, was documented in Quebec city in 1664.

    Albert

  • Beer
  • Surname or Lastname

    English (West Country)

    Beer

    English (West Country) : habitational name from any of the forty or so places in southwestern England called Beer(e) or Bear(e). Most of these derive their names from the West Saxon dative case, beara, of Old English bearu ‘grove’, ‘wood’ (the standard Old English dative bearwe being preserved in Barrow). Some may be from Old English bǣr ‘swine pasture’.North German and Dutch : from Middle Low German bāre, Middle Dutch bēre ‘bear’, applied as a nickname for someone thought to resemble the animal in some way, or as a metonymic occupational name for someone who kept a performing bear. Alternatively, it could have been a habitational name for someone who lived at a house distinguished by the sign of a bear, or from a Germanic personal name with this as the first element. See also Baer, Bahr.Respelling of Swiss German Bier.

    Beer

  • Tahpenes
  • Girl/Female

    Biblical

    Tahpenes

    Standard, flight, temptation.

    Tahpenes

  • Bain
  • Surname or Lastname

    Scottish

    Bain

    Scottish : nickname for a fair-haired person, from Gaelic bàn ‘white’, ‘fair’. This is a common name in the Highlands, first recorded in Perth in 1324.Northern English : nickname meaning ‘bone’, probably bestowed on an exceptionally tall, lean man, from Old English bān ‘bone’. In northern Middle English -ā- was preserved, whereas in southern dialects (which later became standard), it was changed to -ō-.Northern English : nickname for a hospitable person, from northern Middle English beyn, bayn ‘welcoming’, ‘friendly’ (Old Norse beinn ‘straight’, ‘direct’).English and French : metonymic occupational name for an attendant at a public bath house, from Middle English, Old French baine ‘bath’.French : topographic name for someone who lived by a Roman bath, from Old French baine ‘bath’ or a habitational name from a place in Ille-et-Vilaine, named with this word.Possibly an altered spelling of North German Behn.George Luke Scobie Bain (1836–91) was born in Stirling, Scotland. He ran away to sea and successively lived and worked in Portland, ME, Chicago, and St. Louis, where he was a miller and flour merchant and a very prominent citizen.

    Bain

  • Ober
  • Surname or Lastname

    English

    Ober

    English : unexplained.South German : topographic name for someone who lived at the upper end of a village on a hill, from Middle High German ober, obar ‘above’. In other cases, it may have denoted someone who lived on an upper floor of a building with two or more floors.North German : topographic for someone who lived on the bank of a river or stream name, standardized from Middle Low German over ‘river bank’.Possibly a shortened form of any of various German compound names formed with Ober- (see entries below).Jewish (Ashkenazic) : from German Ober ‘senior’, ‘chief’. In some cases it can denote a rabbi; in others it is ornamental.A 17th-century American bearer of this name, Richard Ober (1641–1715/16), emigrated from Abbotsbury, Dorset, England, to the Salem colony and settled in Mackerel Cove, MA, later Beverly. His descendant Frederick Albion Ober, who was born in Beverly, MA, in 1849, was an ornithologist who discovered 22 new species of birds in the Lesser Antilles, the flycatcher Myiarchus oberi, and oriole Icterus oberi.

    Ober

  • Fenner
  • Surname or Lastname

    English

    Fenner

    English : topographic name for someone who lived in a low-lying marshy area (see Fenn).South German : occupational name for an ensign or standard bearer, from Middle High German vener, an agent derivative of Middle High German vane ‘flag’. See also Fenrich.

    Fenner

  • Hoppe
  • Surname or Lastname

    North German and Dutch

    Hoppe

    North German and Dutch : variant of Hopp.South German : nickname from dialect hoppen ‘to hop’ (a variant of standard German hüpfen).Danish : from North German Hopp (see Hopf), or the Danish byname Hoppe ‘horse’, ‘mare’.English : metonymic form of Hopper 1.

    Hoppe

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