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Surface of a black hole
of a photon sphere in a static spherically metric generalizes to a photon surface of any metric. Photon surface (definition) : A photon surface of (M
Photon_surface
Two-pass global illumination rendering algorithm
actions. If the photon is absorbed, no new direction is given, and tracing for that photon ends. If the photon reflects, the surface's bidirectional reflectance
Photon_mapping
Range of frequencies or wavelengths of electromagnetic radiation
high photon energy is able to ionize atoms, causing chemical reactions. Longer-wavelength radiation such as visible light is non-ionizing; the photons do
Electromagnetic_spectrum
Electromagnetic waves that travel along an interface
free-space photon from air cannot couple directly to an SPP. For the same reason, an SPP on a smooth metal surface cannot emit energy as a free-space photon into
Surface_plasmon_polariton
Emission of electrons when electromagnetic radiation hits a material
the Motion of Lunar Dust". In R. J. L. Grard (ed.). Photon and Particle Interactions with Surfaces in Space. 6th Eslab Symposium. Noordwijk, the Netherlands:
Photoelectric_effect
Physical model of propagating energy
wave–particle duality, behaving both as waves and as discrete particles called photons. Electromagnetic radiation is produced by accelerating charged particles
Electromagnetic_radiation
Pressure exerted upon any surface exposed to electromagnetic radiation
transfer of each photon's momentum to the opaque surface, plus the momentum due to a (possible) recoil photon for a (partially) reflecting surface. Since an
Radiation_pressure
Space propulsion method using Sun radiation
light sails, and photon sails) are a method of spacecraft propulsion using radiation pressure exerted by sunlight on large surfaces. A number of spaceflight
Solar_sail
Computer graphics method
diffuse (matte) surface or leave the scene. Information about photons that hit a surface is accumulated in a data structure called a photon map and used
Path_tracing
Optical process
Photon upconversion (UC) is a process in which the sequential absorption of two or more photons leads to the emission of light at shorter wavelength than
Photon_upconversion
Penetrating form of electromagnetic radiation
radiation; they are distinguished by their different origins. Gamma ray photons have photon energy at the lower end from 104 eV to 107 eV; ultra-high-energy
Gamma_ray
Property of photosensitive devices
carriers collected at either terminal and the number of photons hitting the device's photoreactive surface. As a ratio, QE is dimensionless, but it is closely
Quantum_efficiency
Range of light usable for photosynthesis
photons in the 400-700 nm range received by a surface for a specified amount of time, or the Photosynthetic Photon Flux Density (PPFD). Values of PPFD are normally
Photosynthetically active radiation
Photosynthetically_active_radiation
Concept in quantum mechanics
concept in quantum mechanics that fundamental entities of the universe, like photons and electrons, exhibit particle or wave properties according to the experimental
Wave–particle_duality
Period in the evolution of the early universe
cosmology, the photon epoch was the period in the evolution of the early universe in which photons dominated the energy of the universe. The photon epoch started
Photon_epoch
Trace radiation from the early universe
expansion of the universe. The surface of last scattering refers to a shell at the right distance in space so photons are now received that were originally
Cosmic_microwave_background
Counting photons using a single-photon detector
Photon counting is a technique in which individual photons are counted using a single-photon detector (SPD). A single-photon detector emits a pulse of
Photon_counting
Simultaneous absorption of two photons by a molecule
two-photon absorption (TPA or 2PA), also called two-photon excitation or non-linear absorption, is the simultaneous absorption of two photons of identical
Two-photon_absorption
Smallest unit of a chemical element
difference matching the energy of the interacting photon. The emitted photon and the interacting photon then move off in parallel and with matching phases
Atom
Computed tomography technique
Photon-counting computed tomography (PCCT) is a form of X-ray computed tomography (CT) in which X-rays are detected using a photon-counting detector (PCD)
Photon-counting computed tomography
Photon-counting_computed_tomography
N.; Ustinov, Alexey V. (2021-06-17). "Topological excitations and bound photon pairs in a superconducting quantum metamaterial". Physical Review B. 103
List_of_quasiparticles
Physical constant in quantum mechanics
fundamental physical constant of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and
Planck_constant
Planned 2020s private Venus astrobiology probe
Massachusetts Institute of Technology. The spacecraft will consist of a Photon Explorer cruise stage which will send a small atmospheric probe into Venus
Venus_Life_Finder
Physics experiment
experiment that include detectors at the slits find that each detected photon passes through one slit (as would a classical particle), and not through
Double-slit_experiment
Electromagnetic radiation humans can see
waves. Single, massless elementary particles, or quanta, of light called photons can be detected with specialized equipment; phenomena like interference
Light
Type of microscopic technique used for imaging surfaces by tunneling of photons
distinction being that PSTM involves tunneling of photons instead of electrons from the sample surface to the probe tip. A beam of light is focused on a
Photon_scanning_microscopy
Spectroscopic technique
photoelectric effect equation, E binding = E photon − ( E kinetic + ϕ ) {\displaystyle E_{\text{binding}}=E_{\text{photon}}-\left(E_{\text{kinetic}}+\phi \right)}
X-ray photoelectron spectroscopy
X-ray_photoelectron_spectroscopy
Maximum theoretical efficiency of a solar cell
front surface that absorbs low-energy photons incident within a narrow angular range, and a back surface that efficiently emits only high-energy photons. A
Shockley–Queisser_limit
Compact astronomical body
the emission of photons and other particles. The temperature of this thermal spectrum (Hawking temperature) is proportional to the surface gravity of the
Black_hole
Interference effect of two photons
The Hong–Ou–Mandel effect is a two-photon interference effect in quantum optics that was demonstrated in 1987 by Chung Ki Hong (Korean: 홍정기), Zheyu Jeff
Hong–Ou–Mandel_effect
Electromagnetic radiation generated by the thermal motion of particles
spectrum of photon energies, its characteristic spectrum. If the radiating body and its surface are in thermodynamic equilibrium and the surface has perfect
Thermal_radiation
Spectroscopic technique
Surface-enhanced Raman spectroscopy or surface-enhanced Raman scattering (SERS) is a surface-sensitive technique that enhances Raman scattering by molecules
Surface-enhanced Raman spectroscopy
Surface-enhanced_Raman_spectroscopy
American public spaceflight company
satellites. Rocket Lab said that it would use Sinclair technology on its Photon line of small satellite buses, and that it would help Sinclair increase
Rocket_Lab
Solid-state photodetector
A single-photon avalanche diode (SPAD), also called Geiger-mode avalanche photodiode (G-APD or GM-APD) is a solid-state photodetector within the same family
Single-photon_avalanche_diode
Quasiparticle form phonon and photon coupling
diatomic ionic crystal due to coupling of transverse optical phonons and photons. They are particular type of polariton, which behave like bosons. Phonon
Phonon_polariton
Optical Phenomenon
a Lambertian surface (emitting or scattering) is illustrated in Figures 1 and 2. For conceptual clarity we will think in terms of photons rather than energy
Lambert's_cosine_law
Retrieved 16 July 2021. Litvinenko, Yuri (21 May 2019). "Microsoft's Project Photon:A Stunted Effort to Rebuild Windows Mobile". Retrieved 16 July 2021. Checking
List of Microsoft Windows versions
List_of_Microsoft_Windows_versions
Quasiparticles arising from EM wave coupling
quasiparticles resulting from strong coupling of electromagnetic waves (photon) with an electric or magnetic dipole-carrying excitation (state) of solid
Polariton
Instrument used for measuring ionizing radiation
more detailed account of the techniques used to detect photon radiation. For high energy photons, the tube relies on the interaction of the radiation with
Geiger_counter
Measurement of kinetic energy spectra
of photoelectrons emitted by molecules that have absorbed ultraviolet photons, in order to determine molecular orbital energies in the valence region
Ultraviolet photoelectron spectroscopy
Ultraviolet_photoelectron_spectroscopy
Spectral density of light emitted by a black body
interactions (between photons and other particles or even, at sufficiently high temperatures, between the photons themselves) will cause the photon energy distribution
Planck's_law
Study of electronic structures
Time-resolved two-photon photoelectron (2PPE) spectroscopy is a time-resolved spectroscopy technique which is used to study electronic structure and electronic
Two-photon photoelectron spectroscopy
Two-photon_photoelectron_spectroscopy
Coherent delocalized electron oscillations
means of surface plasmons, is referred to as plasmonics. Surface plasmon polaritons can be excited by electrons or photons. In the case of photons, it cannot
Surface_plasmon
Inelastic scattering of photons by matter
scattering or the Raman effect (/ˈrɑːmən/) is the inelastic scattering of photons by matter, meaning that there is both an exchange of energy and a change
Raman_scattering
Analytical technique
X-ray photon correlation spectroscopy (XPCS) in physics and chemistry, is a novel technique that exploits a coherent X-ray synchrotron beam to measure
X-ray photon correlation spectroscopy
X-ray_photon_correlation_spectroscopy
Mathematical concept applicable to physics
appears to pass or travel (whether it actually moves or not) through a surface or substance. Flux is a concept in applied mathematics and vector calculus
Flux
Method for producing electronic circuits
Surface-mount technology (SMT), originally called planar mounting, is a method in which the electrical components are mounted directly onto the surface
Surface-mount_technology
Cosmological test
really are because the photons observed were emitted at a time when the object was closer. Adding these effects together, the surface brightness in a simple
Tolman surface brightness test
Tolman_surface_brightness_test
Electron-positron production from two photons
high-energy laser at the inner surface of this hohlraum to create a thermal radiation field. They would then direct the photon beam from the first stage of
Breit–Wheeler_process
these transitions being radiative. The photons emitted in the decay process are detected and an energy spectrum, photon counts vs. incident electron energy
Inverse photoemission spectroscopy
Inverse_photoemission_spectroscopy
Form of electromagnetic radiation
in the range of 30 petahertz to 30 exahertz (3×1016 Hz to 3×1019 Hz) and photon energies in the range of 100 eV to 100 keV, respectively. X-rays were discovered
X-ray
Unit of photon flux
{\displaystyle 10^{10}} photons in all directions (4π steradians) per second by a glowing gas column with a cross-section surface area of 1 square meter
Rayleigh_(unit)
All of space observable from the Earth at the present
reported that extragalactic background light (EBL) amounted to 4×1084 photons. As the universe's expansion is accelerating, all currently observable
Observable_universe
Type of energy
the surface of the emitter. Excess photon energy results in a liberated electron with non-zero kinetic energy. It is expected that the minimum photon energy
Work_function
Emission of secondary X-rays from a material excited by high-energy X-rays
spectrum derives primarily from scattering of primary beam photons by the sample surface. Scattering varies with the sample mass absorption, being greatest
X-ray_fluorescence
Particles propagating through a medium without scattering
context of photons, but it is also relevant for neutrinos, cosmic rays, and hypothetical dark matter particles. Defining an exact surface for an object
Free_streaming
Elementary particle with negative charge
the Lorentz force law. Electrons radiate or absorb energy in the form of photons when they are accelerated. Laboratory instruments are capable of trapping
Electron
source and the surface of the detector The detector efficiency in counting all radiation photons and particles that reach the surface of the detector
Counting_efficiency
Instrument to measure light intensity
photodiode, or photomultiplier. Some models employ photon counting, measuring light by counting individual photons. They are especially useful in areas where
Photometer
Fast, high sensitivity, low noise electronic photon detector
photomultiplier can detect individual photons. The drawback, however, is that not every photon incident on the primary surface is counted either because of less-than-perfect
Photomultiplier_tube
Equations describing classical electromagnetism
charge and current. These include photon–photon scattering and many other phenomena related to photons or virtual photons, "nonclassical light" and quantum
Maxwell's_equations
Photoluminescent particles
photon upconversion. In photon upconversion, two or more incident photons of relatively low energy are absorbed and converted into one emitted photon
Upconverting_nanoparticles
wavefront sensor Single-photon avalanche diode Superconducting nanowire single-photon detector Transition-edge sensor Visible Light Photon Counter Wavefront
List_of_sensors
Concept in quantum optics
process that converts one photon of higher energy (namely, a pump photon) into a pair of photons (namely, signal and idler photons) of lower energy, in accordance
Spontaneous parametric down-conversion
Spontaneous_parametric_down-conversion
Photon emission under the impact of an electron beam
transition can be emitted in form of a photon. The energy (color) of the photon, and the probability that a photon and not a phonon will be emitted, depends
Cathodoluminescence
Instrument for measuring ionizing radiation
resultant light pulses. It consists of a scintillator which generates photons in response to incident radiation, a sensitive photodetector (usually a
Scintillation_counter
Surface which converts light into electrons via the photoelectric effect
A photocathode is a surface engineered to convert light (photons) into electrons using the photoelectric effect. Photocathodes are important in accelerator
Photocathode
Class of hypothetical redshift mechanisms
universe, the surface brightness diminishes with distance. As the observed object recedes, photons are emitted at a reduced rate because each photon has to travel
Tired_light
Marvel Comics superhero
latest Ultimates team. The character has also been known as Captain Marvel, Photon, Pulsar, and Spectrum at various points in her history. Monica Rambeau appears
Monica_Rambeau
Scientific instrument for observing small objects
its optical path, by detecting photon emissions from a sample, or by scanning across and a short distance from the surface of a sample using a probe
Microscope
Type of smooth complex surface of kodaira dimension 0
of surfaces, K3 surfaces form one of the four classes of minimal surfaces of Kodaira dimension zero. A simple example is the Fermat quartic surface x 4
K3_surface
Device that emits light via optical amplification
of a photon is triggered by the nearby passage of another photon. This is called stimulated emission. For this process to work, the passing photon must
Laser
Type of electromagnetic radiation
electrons absorb the energy as radio photons. An antenna is a coherent emitter of photons, like a laser, so the radio photons are all in phase. However, from
Radio_wave
Electrochemical processes involving photons and the emission or absorption of light
photoexcitation (PE), where the original electron absorbs the photon and gains all the photon's energy or by electrical excitation (EE), where the original
Photoelectrochemical_process
Ultraviolet light with a wavelength of 10–121nm
down to the X-ray band of 10 nm. By the Planck–Einstein equation the EUV photons have energies from 10.26 eV up to 124.24 eV where we enter the X-ray energies
Extreme_ultraviolet
Instrument for measuring gamma radiation
spectrum—see figure) of the intensity of gamma radiation versus the energy of each photon. The study and analysis of gamma-ray spectra for scientific and technical
Gamma-ray_spectrometer
Form of electromagnetic radiation
properties corresponding to both those of a wave and of a particle, the photon. It was long known that fires emit invisible heat; in 1681 the pioneering
Infrared
Device to determine relative phase shift
the calculation of the phase shift caused by the sample. One model of a photon going through the interferometer assigns a probability amplitude to each
Mach–Zehnder_interferometer
Principle in theoretical physics
come to equilibrium with a thermal gas of photons. This means that black holes would not only absorb photons, but they would also have to emit them in
Holographic_principle
Experimental technique to determine the distribution of electrons in solids
photoelectric effect, in which an incoming photon of sufficient energy ejects an electron from the surface of a material. By directly measuring the kinetic
Angle-resolved photoemission spectroscopy
Angle-resolved_photoemission_spectroscopy
Topics referred to by the same term
concept) Unbarred spiral galaxy Short axis, in single-photon emission computed tomography Surface area Sa (Mandaeism), a type of Mandaean sacramental bread
SA
Collision causing gamma ray emission
annihilation of the electron and positron, and the creation of energetic photons: e− + e+ → γ + γ At high energies, other particles, such as B mesons
Electron–positron annihilation
Electron–positron_annihilation
Physical phenomenon of electron resonance
equations. The detectors used in surface plasmon resonance convert the photons of light reflected off the metallic film into an electrical signal. A position
Surface_plasmon_resonance
Virbhadra (Virbhadra–Ellis lens equation, relativistic images [1], photon surfaces [2], observational test for the weak cosmic censorship hypothesis [3][4])
List of contributors to general relativity
List_of_contributors_to_general_relativity
Electromagnetic radiation from a charged particle in a medium
molecules re-emit the energy given to them to achieve excitation as photons. These photons form the spherical wavefronts which can be seen originating from
Cherenkov_radiation
Waves or particles moving through space
material medium. This includes: electromagnetic radiation consisting of photons, such as radio waves, microwaves, infrared, visible light, ultraviolet
Radiation
Physical law on the emissive power of black body
5205 × 10 15 photons ⋅ s − 1 ⋅ m − 2 ⋅ K − 3 ) ⋅ T 3 {\displaystyle N_{\mathrm {phot} }=\left({1.5205\times 10^{15}}\;{\textrm {photons}}{\cdot }{\textrm
Stefan–Boltzmann_law
Solar power cell with multiple band gaps from different materials
derive the photon flux by numerically integrating the photon flux per photon energy with respect to photon energy. The numerically integrated photon flux is
Multi-junction_solar_cell
Integral equation
electron with more energy than that of a single photon (this can occur if the electron is hit by two photons at the same time), and emission of light with
Rendering_equation
Producing images of 3D scenes
reflectance for matte surfaces, or the Phong reflection model for glossy surfaces) is used to compute the probability that a photon arriving from the light
Rendering_(computer_graphics)
Examining a substance by measuring electrons emitted in the photoelectric effect
EUV or UV photons. Regardless of the incident photon beam, however, all photoelectron spectroscopy revolves around the general theme of surface analysis
Photoemission_spectroscopy
Surface Sensitive equivalent
the intensity of Auger electrons as a function of the incident photon energy. Surface sensitivity is achieved by the interpretation of data depending
Surface-extended X-ray absorption fine structure
Surface-extended_X-ray_absorption_fine_structure
Idealized physical body that absorbs all incident electromagnetic radiation
billions of Kelvin, direct photon–photon interactions are usually negligible compared to interactions with matter. Photons are an example of an interacting
Black_body
Spectroscopic technique
state potential energy surface. Raman scattering also contrasts with infrared (IR) absorption, where the energy of the absorbed photon matches the difference
Raman_spectroscopy
Hypothetical particle dual to the photon
In theoretical physics, the dual photon is a hypothetical elementary particle that is a dual of the photon under electric–magnetic duality which is predicted
Dual_photon
Measure of radiant energy over surface area
with suffix "e" (for "energetic") to avoid confusion with photometric or photon quantities. Alternative symbols sometimes seen: W or E for radiant energy
Irradiance
Physical property of allowing light
the dimensions are much larger than the wavelengths of the photons in question), the photons can be said to follow Snell's law. Translucency (also called
Transparency_and_translucency
Optical component which splits light into several beams
rapidly until it is evaluated when the photon reaches its final point. For example, for the probability that a photon will reflect off a mirror and be observed
Diffraction_grating
Laser technology
A quantum dot single-photon source is based on a single quantum dot placed in an optical cavity. It is an on-demand single-photon source. A laser pulse
Quantum dot single-photon source
Quantum_dot_single-photon_source
Harmful high-frequency radiation
particles or electromagnetic waves that have enough energy per individual photon or particle to ionize atoms or molecules by detaching electrons from them
Ionizing_radiation
PHOTON SURFACE
PHOTON SURFACE
Male
English
Variant spelling of English unisex Payton, PEYTON means "Pæga's settlement."
Surname or Lastname
English
English : probably a reduced form of Thornton, or a habitational name from Thorton in Marnhull, Dorset, which has the same origin.
Male
Greek
(Φίλων) Greek name derived from the word phileo, PHILON means "to love."
Male
Greek
(Φώτιος) Greek name derived from the element phos, PHOTIOS means "light."
Surname or Lastname
English
English : habitational name from Penton Mewsey, Hampshire, which is named with Old English pening ‘penny’ + tūn ‘farmstead’, ‘settlement’, i.e. a farmstead paying a penny rent.
Male
Greek
Greek name PHAETON means "the shining one." In mythology, this is the name of one of the steeds of Aurora. The other is Abrax.
Surname or Lastname
English, northern Irish, and Scottish
English, northern Irish, and Scottish : from a pet form of the personal name Pate.The American general George Patton (1885–1945) was born in San Gabriel, CA, into a family with a long military tradition. His earliest American ancestor, Robert Patton, had emigrated from Scotland to VA c.1770.
Surname or Lastname
English
English : variant of Whitton.James Whiton of Hingham, Norfolk, England, came to Plymouth, MA, in 1635.
Female
Greek
(Φωτινή) Greek name derived from the word phos, PHOTINE means "light."
Surname or Lastname
English (mainly Cambridgeshire)
English (mainly Cambridgeshire) : habitational name from a place in Lincolnshire called Panton, from Old English pamp ‘hill’, ‘ridge’ or panne ‘pan’ + tūn ‘enclosure’, ‘settlement’.
Surname or Lastname
English (mainly central and northwestern England)
English (mainly central and northwestern England) : habitational name from Hooton in Cheshire, or from Hooton Levitt, Hooton Pagnell, or Hooton Roberts in South Yorkshire, all named with Old English hÅh ‘spur of land’ + tÅ«n ‘farmstead’.See Hooten.
Male
Greek
(Πλάτων) Greek name derived from the word platys, PLATON means "broad, flat; plateau."
Male
Native American
Native American Miwok name HONON means "bear."
Male
Greek
(ΠλοÏτων) Greek name derived from the word ploutos, PLOUTON means "wealth." In mythology, this is the name of a god of the underworld.Â
Surname or Lastname
English
English : habitational name from Pelton, a place in County Durham, named from an unattested Old English personal name Pēola + tūn ‘farmstead’, ‘settlement’.
Surname or Lastname
English and Irish (County Donegal)
English and Irish (County Donegal) : variant spelling of Payton.
Male
Greek
(Φόβος) Greek name PHOBOS means "fear." In mythology, this is the name of a son of Ares. It is also the name of a moon of Mars.
Surname or Lastname
English
English : topographic name for someone who lived by a postern gate, from Old French posterne; in some cases it would have been a metonymic occupational name for a gatekeeper.English : habitational name from Poston in Herefordshire or Poston in Shropshire, which is named with an Old English personal name Possa + þorn ‘thorn tree’.
Surname or Lastname
English (mainly West Midlands)
English (mainly West Midlands) : habitational name from Peyton in Sussex, named the Old English personal name Pǣga + Old English tūn ‘enclosure’, ‘settlement’, or from some other place similarly named. Peyton in Essex has probably not contributed; it has a quite different early etymology, and even in the 16th century it was still Pakenho or Patenhall.Irish (mainly County Donegal) : Anglicized form of Gaelic Ó Peatáin ‘descendant of Peatán’, a pet form of the personal name Pádraig (see Patrick). Outside County Donegal, the name is apparently mainly of English origin (see 1).
Surname or Lastname
English
English : habitational name, probably from a place in Norfolk named Booton, from an Old English personal name (BÅta or BÅ) + tÅ«n ‘settlement’. The present-day concentration of the surname is in the West Midlands and Wales.
PHOTON SURFACE
PHOTON SURFACE
Female
Egyptian
, a daughter of Rameses II.
Boy/Male
American, Anglo, British, English
A Refuge; Shelter; Safety
Boy/Male
German
Girl/Female
Hindu
Reference to the immaculate conception
Boy/Male
Tamil
Vyomakesh | வà¯à®¯à¯‹à®®à®•à¯‡à®·
Sky like hair
Boy/Male
British, English, Finnish, French, Greek
Hearkening
Boy/Male
Tamil
Arkajit | à®…à®°à¯à®•à®œà¯€à®¤Â
Girl/Female
Australian, Danish, Finnish, German, Greek, Scandinavian, Swedish
Woman from Magdala; Place Name; Magdala was a Town on the Sea of Galilee; The Home of Saint Mary Magdalen; Similar to Madeleine
Surname or Lastname
English
English : variant of Hearn 4.
Boy/Male
Indian, Punjabi, Sikh
Light of the People
PHOTON SURFACE
PHOTON SURFACE
PHOTON SURFACE
PHOTON SURFACE
PHOTON SURFACE
n.
A philter or love potion.
n.
The removable flange, or cover, of a piston. See Illust. of Piston.
pl.
of Photo
pl.
of Phylon
a.
A sleeping potion; an opiate.
n.
An organic element of a flowering plant; a phyton.
n.
A handsome American butterfly (Euphydryas, / Melitaea, Phaeton). The upper side of the wings is black, with orange-red spots and marginal crescents, and several rows of cream-colored spots; -- called also Baltimore.
v. t.
A medicine or mixture; a potion.
n.
A South American butterfly (Ithonia phono) having nearly transparent wings.
pl.
of Cornet-a-piston
n.
One of the parts which by their repetition make up a flowering plant, each being a single joint of a stem with its leaf or leaves; a phytomer.
pl.
of Phyton
n.
A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light.
n.
A contraction of Photograph.
n.
The art or process of making photo-electrotypes.
n.
A chiton.