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Laser cooling technique
sometimes used synonymously with laser cooling, though laser cooling includes other techniques. Doppler cooling was simultaneously proposed by two groups
Doppler_cooling
Cooling technique in atomic physics
by far the most common method of laser cooling. It is used to cool low density gases down to the Doppler cooling limit, which for rubidium (a popular choice
Laser_cooling
Laser cooling technique
physics, sub-Doppler cooling is a class of laser cooling techniques that reduce the temperature of atoms and molecules below the Doppler cooling limit. In
Sub-Doppler_cooling
Frequency change of a wave for observer relative to its source
Vavilov–Cherenkov cone. Bistatic Doppler shift Differential Doppler effect Doppler cooling – Laser cooling technique Dopplergraph Fading – Term in wireless communications
Doppler_effect
Laser cooling technique
Resolved sideband cooling is a laser cooling technique allowing cooling of tightly bound atoms and ions beyond the Doppler cooling limit, potentially to
Resolved_sideband_cooling
Type of laser cooling
energy. It is a type of laser cooling of atoms used to reach temperatures below the Doppler cooling limit. This cooling method was first proposed by Claude
Sisyphus_cooling
Laser cooling technique
Polarization gradient cooling (PG cooling), or Sisyphus cooling, is a technique in laser cooling of atoms by dampening the motion of the trapped particles
Polarization_gradient_cooling
Laser technique cooling atoms to temperatures lower than a magneto-optical trap
Doppler cooling Gray molasses Magneto-optical trap Polarization gradient cooling Sub-Doppler cooling Hänsch, T. W.; Schawlow, A. L. (1975). "Cooling of
Optical_molasses
Difference between a laser's optical frequency and quantum resonant frequency
thus cooling the atoms down to temperatures as low as several microkelvin. Sub-Doppler cooling techniques, such as polarization gradient cooling and Sisyphus
Laser_detuning
Method of sub-Doppler laser cooling of atoms
Gray molasses is a method of sub-Doppler laser cooling of atoms. It employs principles from Sisyphus cooling in conjunction with a so-called "dark" state
Gray_molasses
Pringsheim [de] in 1929. While Doppler cooling lowers the translational temperature of a sample, anti-Stokes cooling decreases the vibrational or phonon
Anti-Stokes_cooling
Atoms kept at temperatures close to absolute zero
a technique known as Doppler cooling. Similar ideas were also proposed to cool samples of trapped ions. Applying Doppler cooling in three dimensions will
Ultracold_atom
Laser cooling technique
Raman cooling is a sub-recoil cooling technique that allows the cooling of atoms using optical methods below the limitations of Doppler cooling, Doppler cooling
Raman_cooling
Energy imparted to an atom by photon emission
temperature is below the Doppler cooling limit for atoms and molecules, so sub-Doppler cooling techniques such as Sisyphus cooling are necessary to reach
Recoil_temperature
Topics referred to by the same term
Dr. Doppler, the villain from Mega Man X3 Doppler beaming Doppler broadening Doppler cooling Doppler cooling limit Doppler echocardiography Doppler ultrasound
Doppler_(disambiguation)
Apparatus for trapping and cooling neutral atoms
as 7Li, the temperature achieved in a MOT will be higher than the Doppler cooling limit. A MOT is formed from the intersection of the zero of a weak
Magneto-optical_trap
optical force that slows them down. Doppler cooling is effective for cooling atoms along one direction but fails to cool atoms in all three dimensions. Optical
Optical_manipulation_of_atoms
French physicist (born 1933)
experiments in laser cooling. He was the first to show that it is possible to cool far beyond the limit expected by sub-Doppler cooling, below the recoil
Claude_Cohen-Tannoudji
Thermal engineering discipline concerning transfer of heat in physical systems
heat level. Doppler cooling is the most common method of laser cooling. Sympathetic cooling is a process in which particles of one type cool particles of
Heat_transfer
Phenomenon in physics
In atomic physics, Doppler broadening is broadening of spectral lines due to the Doppler effect caused by a distribution of velocities of atoms or molecules
Doppler_broadening
Branch of chemistry
1 °C). One method that used to cool molecules to temperatures near absolute zero is laser cooling. In the Doppler cooling process, lasers are used to remove
Cryochemistry
Sub-field of quantum physics and optics
trap or optical tweezers by laser beam. This, along with Doppler cooling and Sisyphus cooling, was the crucial technology needed to achieve the celebrated
Quantum_optics
Measurement of atomic transition frequency
saturated absorption spectroscopy. To overcome the problem of Doppler broadening without cooling down the sample to millikelvin temperatures, a classical pump–probe
Saturated absorption spectroscopy
Saturated_absorption_spectroscopy
Topics referred to by the same term
Czech Skeptics' Club Sisyphus effect, a method of cooling below temperatures predicted by Doppler Cooling in Atomic Physics Sisyphus Prime, a prime soul
Sisyphus_(disambiguation)
Electromagnetic radiation humans can see
trap or optical tweezers by laser beam. This, along with Doppler cooling and Sisyphus cooling, was the crucial technology needed to achieve the celebrated
Light
Radar used to locate and monitor meteorological conditions
A weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its
Weather_radar
Proposed quantum computer implementation
Dicke regime). This can be achieved by a combination of Doppler cooling and resolved sideband cooling. At this very low temperature, vibrational energy in
Trapped-ion_quantum_computer
an optical trap or optical tweezers by laser beam. This, along with Doppler cooling was the crucial technology needed to achieve the celebrated Bose–Einstein
History_of_optics
German physicist (1922–2017)
Precise measurement of the electron g-factor Penning trap Laser cooling Doppler cooling Nuclear quadrupole resonance Cosmonium Awards National Medal of
Hans_Georg_Dehmelt
Atomic-scale structure formed through the Stark shift by opposing beams of light
cooled significantly before loading them into the optical lattice. Cooling techniques used to this end include magneto-optical traps, Doppler cooling
Optical_lattice
American physicist
portal Physics portal United States portal Cat state Doppler cooling Resolved sideband cooling Quantum supremacy Quantum Zeno effect "David Jeffery Wineland"
David_J._Wineland
Distributed feedback laser Distributed temperature sensing Dopant Doppler cooling limit Double-clad fiber Double-density compact disc Double-slit experiment
List_of_laser_articles
impurity Dopant Doping (semiconductor) Doppler broadening Doppler cooling Doppler cooling limit Doppler effect Doppler spectroscopy Dopplergraph Dorothy Nickerson
Index_of_physics_articles_(D)
Type of accelerometer
around 10−7 K. This temperature is achieved by using Doppler cooling with six beams to slow/cool the atoms. The atoms split into two quantum waves. A
Laser_accelerometer
Instrument for slowing and cooling a beam of hot atoms
apparatus. According to the principles of Doppler cooling, an atom modelled as a two-level atom can be cooled using a laser. If it moves in a specific
Zeeman_slower
German physicist (born 1941)
(1983) Otto-Klung Prize (1980) Atom laser Beam expander Dye laser Doppler cooling Gray molasses Tunable laser Vernier spectroscopy Nobel Foundation.
Theodor_W._Hänsch
Structure that repeats in time; a novel type or phase of non-equilibrium matter
0⟩, have very close energy levels, separated by 12.642831 GHz. Ten Doppler-cooled ions were placed in a line 0.025 mm long and coupled together. The researchers
Time_crystal
Violently rotating column of air
Tornadoes can be detected before or as they occur through the use of pulse-Doppler radar by recognizing patterns in velocity and reflectivity data, such as
Tornado
F5 tornado in Oklahoma, U.S.
highest tornado wind speed ever recorded by doppler weather radar—321 miles per hour (517 km/h), measured by a Doppler on Wheels (DoW). One of the strongest
1999 Bridge Creek–Moore tornado
1999_Bridge_Creek–Moore_tornado
Investigative astrophysics technique
In astrophysics, Zeeman–Doppler imaging is a tomographic technique dedicated to the cartography of stellar magnetic fields, as well as surface brightness
Zeeman–Doppler_imaging
Device for controlled nuclear reactions
reactor, a high-temperature gas-cooled reactor (HTGCR), is designed so high temperatures reduce power output by Doppler broadening of the fuel's neutron
Nuclear_reactor
Comparison of a wide range of temperatures
Bose–Einstein condensates 10−6 1 μK Nuclear demagnetization Doppler-cooled refrigerants in laser cooling and magneto-optical traps 10−3 1 mK 1.7 mK, temperature
Orders of magnitude (temperature)
Orders_of_magnitude_(temperature)
Type of nuclear reactor cooled by molten sodium
can be passively cooled. This was demonstrated at EBR-II in April 1986, when the operators intentionally shut down the reactor's cooling systems with the
Sodium-cooled_fast_reactor
fields, create characteristic distortions in the spectral lines due to the Doppler effect. These distortions will move across spectral line profiles due to
Doppler_imaging
1993 studio album by Babyface
For the Cool in You is the third studio album by American R&B musician and songwriter Babyface released by Epic in North America on 24 August 1993. The
For_the_Cool_in_You
Matter and radiation in the space between the star systems in a galaxy
waves created by supernova remnants Fine structure cooling The process of fine structure cooling is dominant in most regions of the Interstellar Medium
Interstellar_medium
Avionics feature on military aircraft
missile launches. Is a simpler system than pulse Doppler & IR technologies. Does not require cooling and needs only moderate computing power. Low life
Missile approach warning system
Missile_approach_warning_system
Quantification of bulk fluid movement
proportional to the particle's speed (the Doppler effect). A laser Doppler velocimeter (LDV), also called a laser Doppler anemometer (LDA), focuses a laser beam
Flow_measurement
Compact astronomical body
classified a number of white dwarf stars as too cool and dense to be explained by the gradual cooling of ordinary stars. In 1926, Ralph Fowler showed
Black_hole
Strong surface-level winds that radiate from a single point
evaporate, pulling latent heat from surrounding air and cooling it considerably. This cooling increases air density, producing negatively buoyant air
Downburst
Family of airborne radars
Pointer radar: An Italian licence-produced Israeli Elta EL/M-2001B pulse Doppler ranging radar with air-to-air and air-to-ground ranging capability. Pointer
Grifo_radar
Pulse-doppler radar
The PS-05/A is a pulse-doppler radar currently used by the JAS 39 Gripen fighter aircraft (JAS 39A, B, C and D variants). It weighs 156 kg and was developed
PS-05/A
Method used by several animal species to determine location using sound
both the prey's velocity and its movements to be detected by means of the Doppler effect. FM may be best for close, cluttered environments, while CF may
Animal_echolocation
Emission spectrum with Lorentzian profile
linewidth and 0.63 GHz when cooled to 2K). In many gaseous systems, such as vapor cell references, Doppler broadening is dominant. Doppler broadening is inhomogeneous
Spectral_broadening
Thermal electromagnetic radiation
Interactive calculator with Doppler Effect. Includes most systems of units. Color-to-Temperature demonstration at Academo.org Cooling Mechanisms for Human Body
Black-body_radiation
1994 studio album by TLC
September 1994. The album was recorded at numerous studios, including Doppler Studios, Bosstown Recording Studios, KrossWire Studio and GADaddy's; D
CrazySexyCool
Small-scale current of rising air
push soot and carbon monoxide into domiciles. Terminal Doppler Weather Radar, a 5 cm Doppler weather radar design to detect wind shear near major airports
Vertical_draft
Military aircraft all-weather multimode radar family
Raytheon) for the F-15 Eagle air superiority fighter. These X band pulse-Doppler radar systems are designed for both air-air and air-ground missions; they
AN/APG-63_radar_family
Mobile SAM system
advanced AN/DAW-1B seeker with all-aspect capability, as well as a new doppler radar fuze and M250 blast-frag warhead. The fuze and warhead were adapted
M48_Chaparral
Long Now – Ecology – El Niño/La Niña – Environmental geography – Global cooling – Global warming – Historical temperature record – Hydrogen cycle – Ice
List_of_cycles
Measurement of blood pumped by the heart
method uses ultrasound and the Doppler effect to measure cardiac output. The blood velocity through the heart causes a Doppler shift in the frequency of the
Cardiac_output
2003 studio album by Killer Mike
Recording, Flamingo Studios, Tree Sound Studios, Level Heads Studio and Doppler Studios in Atlanta, and at Hood Noize Studios. The album peaked at number
Monster_(Killer_Mike_album)
Radio propagation due to unusual conditions
readily explicable and theoretically able to be reproduced. Doppler radars and Pulse-Doppler radars are extracting the velocities of the targets. Since
Anomalous_propagation
Intereference effect in quantum optics
excitation probabilities, the cooling limit is lowered in comparison to doppler or sideband cooling (assuming the same cooling rate). Atomic coherence Electromagnetically
Electromagnetically induced transparency
Electromagnetically_induced_transparency
Airborne early warning and control aircraft based on Boeing 707 airframe
shifters. The rotodome uses bleed air, outside cooling doors, and fluorocarbon-based cold plate cooling to maintain the electronic and mechanical equipment
Boeing_E-3_Sentry
Japanese electrical equipment, elevator manufacturer, and appliance manufacturer
produces HVAC and HPAC units, renamed Mitsubishi Electric Hydronics & IT Cooling Systems SpA in 2017. In early 2020, Mitsubishi Electric was identified
Mitsubishi_Electric
without decoherence for more extended periods, thereby nullifying the Doppler and recoil effects. This makes them good candidates for optical lattice
Magic_wavelength
of others injured. The outbreak was the deadliest of the modern NEXRAD doppler radar era, until the 2011 Super Outbreak killed over 348 people (324 of
Tornadoes in the United States
Tornadoes_in_the_United_States
Mesoscale boundary separating outflow from the surrounding air
Meteorological Handbook No. 11 – FCM-H11B-2005 – Doppler RADAR Meteorological Observations Part B Doppler RADAR Theory and Meteorology" (PDF). Washington
Outflow_boundary
(paleoclimatology) (photosynthesis) Domino effect (physics) (politics) Doppler effect (Doppler effects) (radio frequency propagation) (wave mechanics) Downing
List_of_effects
Difference in wind speed or direction over a short distance
Windshear can be detected using Doppler radar. Airports can be fitted with low-level windshear alert systems or Terminal Doppler Weather Radar, and aircraft
Wind_shear
Act of intentionally altering or manipulating the weather
inversion along the same lines as laser cooling (normally used at cryogenic temperatures) but intended to cool the top 1mm of water. If enough power were
Weather_modification
1998 F4 tornado in South Dakota
Fujita Scale, with winds ranging from 207–260 mph (333–418 km/h) − a nearby Doppler on Wheels (DOW) also captured instantaneous wind gusts of up to 264 mph
1998_Spencer_tornado
Brightest star in the constellation Auriga
second spectrum appeared superimposed over the first, and that there was a doppler shift to violet in September and October and to red in November and February—showing
Capella
American short-range air-to-air missile
was the addition of cooling for the PbS detector, adding Peltier (thermoelectric) cooling, giving the advantage of unlimited cooling when positioned on
AIM-9_Sidewinder
Type of very-high-temperature reactor
radioactive. Much of the cost of a conventional, water-cooled nuclear power plant is due to cooling system complexity, which is not a factor in PBRs. Conventional
Pebble-bed_reactor
Instrument for measuring wind speed
that will damage the classic hot-wire anemometer. In laser Doppler velocimetry, laser Doppler anemometers use a beam of light from a laser that is divided
Anemometer
Cancelled Airborne Early Warning aircraft project
cooling to be undertaken directly by the airflow, with cooling doors mounted in the installation, while the transmitter had a separate liquid cooling
British_Aerospace_Nimrod_AEW3
Weather radar signature indicating tornadic circulation in a supercell thunderstorm
analyzed wind velocity data from Doppler weather radar units which were installed in Central Oklahoma in 1960. Doppler data on wind velocity during thunderstorms
Hook_echo
1038/s41586-019-1446-2. ISSN 1476-4687. PMID 31391561. Buffer Gas Cooling Buffer Gas on Mars Buffer Gas Cooling of Diatomic Molecules Buffer Gas on Microwave Transition
Buffer_gas
Dynamic collection of drops dispersed in a gas
1990 H.-E. Albrecht, M. Borys, N. Damaschke, C. Tropea, Laser Doppler and Phase Doppler Measurement Techniques, 2003, ISBN 3-540-67838-7 Lim, J., and
Spray_(liquid_drop)
American band
single "Country Road". On October 3 they released a second single titled "Doppler", followed by a third titled "Here I Am" on October 17. The album eventually
The_Hellp
and the Doppler-shifted reflected signal caused a beat frequency suitable for aircraft detection. The NEC then developed the Bi-static Doppler Interference
History_of_radar
SI unit of time
and cooling hydrogen. This is difficult because it is very light and the atoms move very fast, causing Doppler shifts. The radiation needed to cool the
Second
signals emitted by orbiting spacecraft. The principle used depends on the Doppler effect, whereby the line-of-sight spacecraft acceleration can be measured
Gravitation_of_the_Moon
Breeder reactor at Enrico Fermi Nuclear Generating Station (1966–1975)
coolant instead of typical nuclear reactor designs cooled by water. Sodium cooling permits a more compact core, generating surplus neutrons used to produce
Fermi_1
Largest type of black hole
of the best evidence for the presence of black holes is provided by the Doppler effect whereby light from nearby orbiting matter is red-shifted when receding
Supermassive_black_hole
Tornado outbreak in May 1999
development that afternoon and evening. Around 4:00 a.m. CDT that morning, Doppler radar and wind profile data indicated a 90-knot (100 mph; 170 km/h) streak
1999 Great Plains tornado outbreak
1999_Great_Plains_tornado_outbreak
Void between celestial bodies
can be used as a renewable cooling technology for various applications on Earth through passive daytime radiative cooling. This enhances longwave infrared
Outer_space
Study of the physical processes in atmospheric clouds
radiational, and evaporative cooling can cause condensation at surface level resulting in the formation of fog. Conductive cooling takes place when air from
Cloud_physics
Physics concept expressed as E = mc²
source, the redshift of the photon increases, according to the relativistic Doppler effect. The energy of the photon is reduced and as the wavelength becomes
Mass–energy_equivalence
India's indigenous AI AESA Radar programme
Simultaneous operation modes. Solid-state, active phased array technology Pulse Doppler, all aspect, shoot down capabilities Simultaneous multi-target tracking
Uttam_AESA_Radar
Nuclear power safety method that does not require electrical power nor intervention
Reactor Cavity Cooling Systems with Water". inlportal.inl.gov. "NEUP awarded abstract: Modeling and Test Validation of a Reactor Cavity Cooling System with
Passive_nuclear_safety
Region of rotation within a powerful thunderstorm
make the circulating air flow obvious. Mesocyclones are identified by Doppler weather radar observations as a rotation signature which meets specific
Mesocyclone
Models of the universe which deviate from then-current scientific consensus
finite time in the past, because the universe heats up as it contracts and cools as it expands, in the first minutes that time existed as we know it, the
Non-standard_cosmology
F4 tornado in Mulhall, Oklahoma
the Bridge Creek–Moore tornado that had just occurred to the south. A Doppler On Wheels (DOW) mobile radar that was traveling north on Interstate 35
1999_Mulhall_tornado
Single yellow-hued star in the constellation Cetus
Sun. It can be determined by measuring the star's spectrum: due to the Doppler shift, the absorption lines in the spectrum of a star will be shifted slightly
Tau_Ceti
Dynamic disturbance in a medium or field
that white light was a mixture of light of different colors. The Doppler effect or Doppler shift is the change in frequency of a wave in relation to an observer
Wave
Storm characterized by lightning
extremely weak tornadoes to T11 for the most powerful known tornadoes. Doppler radar data, photogrammetry, and ground swirl patterns (cycloidal marks)
Thunderstorm
German experimental physicist
demonstrated laser cooling to study diatomic molecules. She achieves this cooling using direct laser cooling and buffer gas cooling. Ultra-cold molecules
Silke_Ospelkaus
DOPPLER COOLING
DOPPLER COOLING
Girl/Female
Hindu, Indian, Traditional
Copper Leaves
Surname or Lastname
Scottish
Scottish : habitational name from a former parish in Morayshire.English : from the medieval personal name Tebald, Tibalt (see Theobald).possibly also an altered spelling of the South German cognate Dippel.John Scott (d. 1738) of Dipple emigrated to the American colonies, became minister of Overwharton parish, Stafford County, VA, and called his estate there Dipple.
Boy/Male
Indian
Populer
Boy/Male
Tamil
Copper red
Surname or Lastname
English (mainly East Midlands)
English (mainly East Midlands) : habitational name from a lost minor place name, Pophall in Linchmere, Sussex, or from Pophills in Salford Priors, Warwickshire.
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Copper Red
Boy/Male
Indian
Dapple
Boy/Male
Hungarian
Copper - headed.
Girl/Female
Hungarian
Copper haired.
Boy/Male
Muslim
Dapple
Boy/Male
Indian, Sanskrit
Dappled Leaves
Surname or Lastname
English and Scottish
English and Scottish : occupational name for a professional tumbler or acrobat, or a nickname for a restless individual with plenty of energy, Middle English hoppere, an agent derivative of Old English hoppian ‘to hop’.German : nickname from an agent derivative of Middle High German, Middle Low German hoppen ‘to limp or stumble’.Dutch : occupational name for a hop grower or seller, from Middle Dutch hoppe ‘hop(s)’ + the agent suffix -er.
Surname or Lastname
English
English : habitational name from Coppull in Lancashire, recorded in the 13th century as Cophill, from Old English copp ‘peak’ + hyll ‘hill’.English : nickname from Old French curt peil ‘short hair’.Probably an Americanized spelling of German and Jewish Koppel or German and Dutch Kappel.
Girl/Female
Indian, Punjabi, Sikh
Topper
Surname or Lastname
English
English : variant of Cooper, from Middle English copere, found from the 12th century alongside cupere.English : metonymic occupational name for a worker in copper, Old English coper (Latin (aes) Cyprium ‘Cyprian bronze’).Respelling of German Kopper.
Girl/Female
Arabic
Spotted; Dappled
Surname or Lastname
English
English : unexplained.Americanized form of German Koppler.
Girl/Female
Indian, Telugu
Lopper; Honey
Surname or Lastname
English
English : occupational name for a maker of dowels and similar objects, from an agent derivative of Middle English dowle ‘dowel’, ‘headless peg’, ‘bolt’.
Girl/Female
Arabic, Hebrew, Latin
Topper
DOPPLER COOLING
DOPPLER COOLING
Girl/Female
Indian
Cheek, Face
Girl/Female
African, Australian, Chinese, Christian, Egyptian, Jamaican
Strong Mother of a Nation; Veiled; Gold; From Nubia
Boy/Male
Hebrew American Spanish Biblical Greek
Jehovah is God.
Boy/Male
Tamil
The first God
Boy/Male
British, English, Welsh
Red Haired; Chief; Lord
Girl/Female
Irish
The color of olive.
Female
Basque
, harvester, reaper.
Boy/Male
Indian, Telugu
Lord Vishnu
Boy/Male
Tamil
King, Commanded, Counselled
Girl/Female
Tamil
Tanusiya | தாநà¯à®¸à®¿à®¯à®¾
A great devotee
DOPPLER COOLING
DOPPLER COOLING
DOPPLER COOLING
DOPPLER COOLING
DOPPLER COOLING
n.
A tippler.
a.
Faced or covered with copper; as, copper-faced type.
n.
A vessel, especially a large boiler, made of copper.
v. t.
To impede by a hopple; to tie the feet of (a horse or a cow) loosely together; to hamper; to hobble; as, to hopple an unruly or straying horse.
n.
The American dipper or ouzel (Cinclus Mexicanus).
v. t.
To cover or coat with copper; to sheathe with sheets of copper; as, to copper a ship.
a.
Having a bottom made of copper, as a tin boiler or other vessel, or sheathed with copper, as a ship.
n.
A coin made of copper; a penny, cent, or other minor coin of copper.
a.
Marked with spots of different shades of color; spotted; variegated; as, a dapple horse.
a.
Dappled.
a.
Alt. of Dappled
imp. & p. p.
of Hopple
a.
Mixed with copper; containing copper, or made of copper; like copper.
imp. & p. p.
of Topple
imp. & p. p.
of Dapple
a.
Fastened with copper bolts, as the planks of ships, etc.; as, a copper-fastened ship.
n.
See Grasshopper, and Frog hopper, Grape hopper, Leaf hopper, Tree hopper, under Frog, Grape, Leaf, and Tree.
n.
One of the spots on a dappled animal.
n.
An Anabaptist or Baptist.