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Elementary particle or quantum of light
A photon (from Ancient Greek φῶς, φωτός (phôs, phōtós) 'light') is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic
Photon
Topics referred to by the same term
Look up Photon or photon in Wiktionary, the free dictionary. A photon is an elementary particle of light. Photon may also refer to: Photon (comics), two
Photon_(disambiguation)
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
Concept in physics
Virtual photons are a fundamental concept in particle physics and quantum field theory that play a crucial role in describing the interactions between
Virtual_photon
Technique in quantum optics
A single-photon source is a light source that emits light as single particles or photons. Single-photon sources are distinct from coherent light sources
Single-photon_source
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
Three-photon microscopy (3PEF) is a high-resolution fluorescence microscopy based on nonlinear excitation effect. Different from two-photon excitation
Three-photon_microscopy
Type of rocket
A photon rocket is a rocket that uses thrust from the momentum of emitted photons (radiation pressure by emission) for its propulsion. Photon rockets
Photon_rocket
Region around a black hole at which light orbits
A photon sphere, or photon ring or photon circle, arises in a neighbourhood of the event horizon of a black hole where gravity is so strong that emitted
Photon_sphere
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
Quantum optical phenomenon
Photon blockade is a quantum optical phenomenon in which the presence of a single photon in a nonlinear optical system suppresses the absorption or transmission
Photon_blockade
Energy carried by a photon
Photon energy is the energy carried by a single photon. The amount of energy is directly proportional to the photon's electromagnetic frequency and thus
Photon_energy
Scattering of photons off charged particles
scattering of a high-frequency photon through an interaction with a charged particle, usually an electron. Specifically, when the photon interacts with a loosely
Compton_scattering
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
Space propulsion method using Sun radiation
Solar sails (also known as lightsails, light sails, and photon sails) are a method of spacecraft propulsion using radiation pressure exerted by sunlight
Solar_sail
Unscattered particle
Ballistic light, also known as ballistic photons, refers to photons of light that travel through a turbid optical medium without being scattered. When
Ballistic_photon
Hypothetical force carrier particle connected to dark matter
dark photon (also hidden, heavy, para-, or secluded photon) is a hypothetical hidden sector particle, proposed as a force carrier similar to the photon of
Dark_photon
1985 Japanese film
Odin: Photon Sailer Starlight (オーディーン 光子帆船スターライト, Odin - Koshi Hansen Starlight), also known as Odin: Starlight Mutiny, is a 1985 Japanese science fiction
Odin:_Photon_Sailer_Starlight
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
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
Two-pass global illumination rendering algorithm
In computer graphics, photon mapping is a two-pass global illumination rendering algorithm developed by Henrik Wann Jensen between 1995 and 2001 that approximately
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
Quantum explanation of electromagnetic polarization
Photon polarization is the quantum mechanical description of the classical polarized sinusoidal plane electromagnetic wave. An individual photon can be
Photon_polarization
Satellite bus made by Rocket Lab
Photon is a satellite bus based on Rocket Lab's Electron kick stage. It moves satellites into their appropriate orbits once boosted by rockets such as
Rocket_Lab_Photon
Physics phenomenon
emits a photon. He noted that the experimenter's choice of which measurement to make on the box would change what can be predicted about the photon, even
Quantum_entanglement
Surface of a black hole
Photon sphere (definition): A photon sphere of a static spherically symmetric metric is a timelike hypersurface { r = r p s } {\displaystyle \{r=r_{ps}\}}
Photon_surface
UK musical group
The Photons was a punk/new wave band active between 1977 and 1978. They are most notable for their vocalist Steve Strange, who went on to form Visage
The_Photons
Phenomenon in quantum optics
Photon antibunching generally refers to a light field with photons more equally spaced than a coherent laser field, a signature being a measured two-time
Photon_antibunching
Synchrotron in Tsukuba, Japan
The Photon Factory (PF) is a synchrotron located at KEK, in Tsukuba, Japan, about fifty kilometres from Tokyo. The Photon Factory turned on its synchrotron
Photon_Factory
Gas-like collection of photons
In physics, a photon gas is a gas-like collection of photons, which has many of the same properties of a conventional gas like hydrogen or neon – including
Photon_gas
Emission of electrons when electromagnetic radiation hits a material
photons approaching zero energy, like in systems with negative electron affinity and the emission from excited states, or a few hundred keV photons for
Photoelectric_effect
Secure communication method
than one photon, then Eve can split off the extra photons and transmit the remaining single photon to Bob. This is the basis of the photon number splitting
Quantum_key_distribution
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
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
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
Index of articles associated with the same name
Photon, in comics, may refer to: Monica Rambeau, the female, former leader of the Avengers, also known as Captain Marvel Genis-Vell, the son of Mar-Vell
Photon_(comics)
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
Compact astronomical body
the photon sphere depends on the spin parameter and whether the photon is orbiting prograde or retrograde. For a photon orbiting prograde, the photon sphere
Black_hole
Fluorescence imaging technique
Two-photon excitation microscopy (TPEF or 2PEF) is a fluorescence imaging technique that is particularly well-suited to image scattering living tissue
Two-photon excitation microscopy
Two-photon_excitation_microscopy
Physical phenomenon
In multi-photon interferometry, two or more photons propagate through multiple possible paths and are subsequently detected. The resulting detection statistics
Three-photon_interference
Topics referred to by the same term
Single-photon may refer to: Photon counting devices capable of counting individual photons, for example: Superconducting nanowire single-photon detectors
Single-photon
Physics experiment in quantum mechanics
arising from the traditional double-slit experiment: if, upon observing a photon, one can deduce that it arrived at a detector by following a particular
Delayed-choice_quantum_eraser
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
Branch of particle physics concerning interactions between two photons
Two-photon physics, also called gamma–gamma physics, is a branch of particle physics that describes the interactions between two photons. Normally, beams
Two-photon_physics
Electron-positron production from two photons
in which a positron–electron pair is created from the collision of two photons. It is the simplest mechanism by which pure light can be potentially transformed
Breit–Wheeler_process
Quantization giving rise to photons
turning Maxwell's classical electromagnetic waves into particles called photons. Photons are massless particles of definite energy, definite momentum, and definite
Quantization of the electromagnetic field
Quantization_of_the_electromagnetic_field
Creation of particle-antiparticle pair from a neutral boson
proton and an antiproton. Pair production often refers specifically to a photon creating an electron–positron pair near a nucleus. As energy must be conserved
Pair_production
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
Physics experiment
determine which of two slits a photon has passed through, the photon cannot interfere with itself. When a stream of photons is marked in this way, then the
Quantum_eraser_experiment
Bitmap graphics editor
Photon Paint is a Hold-And-Modify (HAM) based bitmap graphics editor for the Amiga, first released in 1987. Photon Paint was the first bitmap graphics
Photon_Paint
Particle accelerator
The Advanced Photon Source (APS) at Argonne National Laboratory (in Lemont, Illinois) is a storage-ring-based high-energy X-ray light source facility.
Advanced_Photon_Source
Range of light usable for photosynthesis
corresponds more or less with the range of light visible to the human eye. Photons at shorter wavelengths tend to be so energetic that they can be damaging
Photosynthetically active radiation
Photosynthetically_active_radiation
Japanese OVA series
Photon: The Idiot Adventures, known in Japan as Photon (フォトン, Foton), is a Japanese original video animation (OVA) series created by Masaki Kajishima.
Photon:_The_Idiot_Adventures
1986 American TV series or program
Photon is a live action television show that aired in the mid-1980s, which was tied into the Photon lasertag arenas and home game. It was produced by
Photon_(TV_series)
2002 album by Boom Boom Satellites
Photon is the third studio album from Japanese electronica/rock duo Boom Boom Satellites, released on July 24, 2002. "Light My Fire" is the second and
Photon_(album)
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
Physical phenomenon
(BSM) on photon b, the input photon, and photon c, her part of the entangled photon pair (photons c and d). Photon d, Bob's receiver photon, will contain
Quantum_teleportation
Function characterizing the interactions between photons and quarks
The photon structure function, in quantum field theory, describes the quark content of the photon. While the photon is a massless boson, through certain
Photon_structure_function
Randomness in photon detector signal
Photon noise is the randomness[citation needed] in signal associated with photons arriving at a detector. For a simple black body emitting on an absorber
Photon_noise
Category of ultraviolet photons
A Lyman-Werner photon is an ultraviolet photon with a photon energy in the range of 11.2 to 13.6 eV, corresponding to the energy range in which the Lyman
Lyman–Werner_photons
Photon diffusion is an approximate description of how light spreads through a material in which scattering is much more common than absorption. In such
Photon_diffusion
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
Quantum physics thought experiment
point of quantum theory: "It is wrong to attribute a tangibility to the photon in all its travel from the point of entry to its last instant of flight
Wheeler's delayed-choice experiment
Wheeler's_delayed-choice_experiment
Type of very low energy photons
In particle physics, soft photons are photons having photon energies much smaller than the energies of the particles participating in a particular scattering
Soft_photon
Photon Band is an American indie rock band formed in Philadelphia, PA in 1994. The only constant member is Art DiFuria, who has played with several Philadelphia
Photon_Band
Type of electronic noise
from the discrete nature of electric charge. Shot noise also occurs in photon counting in optical devices, where shot noise is associated with the particle
Shot_noise
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
Electromagnetic radiation due to deceleration of charged particles
includes synchrotron radiation (i.e., photon emission by a relativistic particle), cyclotron radiation (i.e., photon emission by a non-relativistic particle)
Bremsstrahlung
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
Pressure exerted upon any surface exposed to electromagnetic radiation
field or in terms of the momenta of photons, particles of light. The interaction of electromagnetic waves or photons with matter may involve an exchange
Radiation_pressure
Optical device
A photon sieve is a device for focusing light using diffraction and interference. It consists of a flat sheet of material full of pinholes that are arranged
Photon_sieve
Electron-photon scattering cross section
differential cross section (i.e. the "likelihood" and angular distribution) of photons scattered from a single free electron, calculated in the lowest order of
Klein–Nishina_formula
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
Quantum field theory of electromagnetism
involving electrically charged particles interacting by means of exchange of photons and represents the quantum counterpart of classical electromagnetism giving
Quantum_electrodynamics
Maximum theoretical efficiency of a solar cell
"cell") is photons having energy greater than the band gap (wavelength less than about 1.1 microns for silicon), and part of these photons (Shockley and
Shockley–Queisser_limit
Energy scale at which vacuum effects become important
impossibility of any but trivial elastic photon–photon scattering. In QED, however, non-elastic photon–photon scattering becomes possible when the combined
Schwinger_limit
Quantum mechanics thought experiment
takes advantage of two characteristics of elementary particles, such as photons or electrons: nonlocality and wave–particle duality. By placing the particle
Elitzur–Vaidman_bomb_tester
Indian film production company
Photon Kathaas was an Indian film production company led by director Gautham Vasudev Menon. It was established in 2010 by Menon along with Venky Somasundaram
Photon_Kathaas
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
Real-time operating system (RTOS) software
developed into the embeddable graphical user interface (GUI) named the QNX Photon microGUI. QNX also provided a version of the X Window System. To demonstrate
QNX
Study of subatomic particles and forces
corresponding form of matter called antimatter. Some particles, such as the photon, are their own antiparticle. These elementary particles are excitations
Particle_physics
1985 EP by Loudness
the EP were included on the soundtrack of the Japanese anime film Odin: Photon Sailer Starlight, released that same year. All music by Akira Takasaki,
Odin_(EP)
How to create matter from fundamentals particles to galaxies
share the primary photon's momentum. Thus, matter can be created out of two photons. The law of conservation of energy sets a minimum photon energy required
Matter_creation
Greatest energy a photon scattered on an electron can transfer to it
transferred to a weakly bound electron of a detector's atom by an incident photon in a single scattering process, and manifests itself as a ridge in the measured
Compton_edge
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
Smartphone manufactured by Motorola
The Motorola Photon Q 4G LTE (XT897) is a smartphone manufactured by Motorola which runs on Sprint's 4G LTE network. The "Photon Q" has a 4.3-inch touchscreen
Motorola_Photon_Q
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
Medical procedure
tissue "cannot be adequately achieved with photon-based radiotherapy" and can benefit the patient. Like photon radiation therapy, proton therapy is often
Proton_therapy
Anti-particle to the electron
collision occurs at low energies, it results in the production of two or more photons. Positrons can be created by positron emission radioactive decay (through
Positron
Particle whose invariant mass is zero
particle is the photon. The photon (carrier of electromagnetism) is one of two known gauge bosons thought to be massless. The photon is well-known from
Massless_particle
Quantum correlations related to wave-particle duality
Morgan and Mandel used a thermal photon source to create a dim beam of photons and observed the tendency of the photons to arrive at the same time on a
Hanbury Brown and Twiss effect
Hanbury_Brown_and_Twiss_effect
Type of single-photon detector
The superconducting nanowire single-photon detector (SNSPD) is a type of optical and near-infrared single-photon detector based on a current-biased superconducting
Superconducting nanowire single-photon detector
Superconducting_nanowire_single-photon_detector
Collision of a particle and its antiparticle
particles, such as an electron colliding with a positron to produce two photons. The total energy and momentum of the initial pair are conserved in the
Annihilation
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
Storage with three-dimensional resolution for information
Barachevskii demonstrated that this photochromism could be produced by two-photon excitation, and at the end of the 1980s Peter M. Rentzepis showed that this
3D_optical_data_storage
Topics referred to by the same term
Multi-photon microscopy (also spelled multiphoton microscopy) may refer to: Two-photon excitation microscopy Three photon microscopy Second-harmonic imaging
Multi-photon_microscopy
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
Modeling application
Modeling photon propagation with Monte Carlo methods is a flexible yet rigorous approach to simulate photon transport. In the method, local rules of photon transport
Monte Carlo method for photon transport
Monte_Carlo_method_for_photon_transport
Photons that excite electrons to a higher energy level in an atom
created by photon absorption. The excited state originates from the interaction between a photon and the quantum system when the energy of the photon is too
Photoexcitation
Property of photosensitive devices
measure of its electrical response to light. Another name for it is incident photon to converted electron (IPCE) ratio. In a charge-coupled device (CCD) or
Quantum_efficiency
PHOTON
PHOTON
PHOTON
PHOTON
Girl/Female
Singhalese
Jewel.
Girl/Female
Indian
First power, Goddess Durga
Boy/Male
Muslim
Clever minded
Boy/Male
Indian, Sanskrit
Remover or Destroyer of Sins
Female
Danish
, peace of Thor.
Boy/Male
Bengali, Celebrity, Hindu, Indian
Joyful; Who Brings Happiness; Deep Knowledge; The Best
Boy/Male
Hindu, Indian
Application
Boy/Male
Indian, Punjabi, Sikh
Imbued in Colour of Love of God
Girl/Female
Indian
Beautiful; Intelligent
Boy/Male
Indian
Resident, Residing, Staying
PHOTON
PHOTON
PHOTON
PHOTON
PHOTON