• Photon etc. is a Canadian manufacturer of infrared cameras, widely tunable optical filters, hyperspectral imaging and spectroscopic scientific instruments...
    28 KB (3,143 words) - 04:39, 31 July 2024
  • A photon (from Ancient Greek φῶς, φωτός (phôs, phōtós) 'light') is an elementary particle that is a quantum of the electromagnetic field, including electromagnetic...
    107 KB (11,684 words) - 02:18, 2 November 2024
  • Thumbnail for Single-photon avalanche diode
    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...
    43 KB (6,039 words) - 19:31, 2 September 2024
  • widely tunable laser source or perform global hyperspectral imagery (see Photon etc.). The measurement of the angles can be used to determine crystal structure...
    22 KB (2,596 words) - 06:54, 24 September 2024
  • inserting one photon into a corresponds to | 1 ⟩ a = a ^ † | 0 ⟩ a {\displaystyle |1\rangle _{a}={\hat {a}}^{\dagger }|0\rangle _{a}} , etc. A photon in each...
    20 KB (2,724 words) - 18:36, 27 October 2024
  • Flux (redirect from Photon flux)
    with suffix "e" (for "energetic") to avoid confusion with photometric or photon quantities. Alternative symbols sometimes seen: W or E for radiant energy...
    28 KB (3,845 words) - 14:42, 30 October 2024
  • Contour Energy Systems, Impinj, Fulcrum Microsystems, Nanosys, Inc., Photon etc., Xencor, and Wavestream Wireless have emerged from Caltech. Caltech has...
    146 KB (14,181 words) - 05:53, 27 October 2024
  • single-photon source (also known as a single photon emitter) is a light source that emits light as single particles or photons. Single-photon sources...
    28 KB (3,333 words) - 02:34, 22 September 2024
  • Thumbnail for Nuclear reaction
    alpha particle or helium-4, β for beta particle or electron, γ for gamma photon, etc. The reaction above would be written as 6Li(d,α)α. Kinetic energy may...
    20 KB (2,391 words) - 17:40, 25 June 2024
  • Thumbnail for Quantum entanglement
    which two photons successively emitted from a calcium atom were shown to be entangled – the first case of entangled visible light. The two photons passed...
    107 KB (13,050 words) - 21:23, 1 November 2024
  • as laser (as the projectile), plasma, and/or nuclear particle (i.e. photon, etc.) devices are typically not accepted by the contributors of the site...
    9 KB (815 words) - 02:13, 30 September 2024
  • space stations and Mir had less noteworthy call signs: Foton, meaning "photon", etc. In contrast to the naming conventions applied by the Soviet Union and...
    14 KB (1,625 words) - 02:13, 30 September 2024
  • Thumbnail for Hyperspectral imaging
    packaging. Researchers at the Université de Montréal are working with Photon etc. and Optina Diagnostics to test the use of hyperspectral photography in...
    46 KB (4,957 words) - 08:49, 2 November 2024
  • Thumbnail for Maxwell–Boltzmann statistics
    if we treat all particles of a certain type (e.g., electrons, protons,photon etc.) as principally indistinguishable. Once this assumption is made, the...
    22 KB (3,996 words) - 13:43, 11 October 2024
  • Thumbnail for Electromagnetic spectrum
    high photon energy is able to ionize atoms, causing chemical reactions. Longer-wavelength radiation such as visible light is nonionizing; the photons do...
    48 KB (4,877 words) - 14:51, 29 October 2024
  • neutrons, etc. According to the Big Bang theory, in the early universe, mass-less photons and massive fermions would inter-convert freely. As the photon gas...
    7 KB (877 words) - 16:50, 1 August 2024
  • Thumbnail for Single-photon emission computed tomography
    Single-photon emission computed tomography (SPECT, or less commonly, SPET) is a nuclear medicine tomographic imaging technique using gamma rays. It is...
    22 KB (2,663 words) - 17:01, 1 January 2024
  • Thumbnail for Cosmic microwave background
    fractional additional number density of each type of particle (baryons, photons, etc.) is the same. That is, if at one place there is a 1% higher number density...
    108 KB (13,172 words) - 18:52, 18 September 2024
  • Thumbnail for Université de Montréal
    in the field of polymer/surface treatment, in optics/photonics (like Photon etc.) and in IT security (like ESET). The Centre hospitalier de l'Université...
    49 KB (4,939 words) - 18:32, 1 November 2024
  • The photon structure function, in quantum field theory, describes the quark content of the photon. While the photon is a massless boson, through certain...
    16 KB (2,035 words) - 04:05, 29 September 2024
  • Thumbnail for Redshift
    increase in the wavelength, and corresponding decrease in the frequency and photon energy, of electromagnetic radiation (such as light). The opposite change...
    87 KB (9,312 words) - 14:47, 4 November 2024
  • Thumbnail for Double-slit experiment
    typically made of many photons and better referred to as a wave front, not to be confused with the wave properties of the individual photon) that later combine...
    77 KB (8,610 words) - 18:00, 1 November 2024
  • Thumbnail for Rocket Lab
    first launched in May 2017. In August 2020, the company launched its first Photon satellite. The company built and operates satellites for the Space Development...
    113 KB (9,131 words) - 00:49, 31 October 2024
  • Thumbnail for Photon sieve
    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...
    6 KB (732 words) - 00:31, 3 February 2024
  • Thumbnail for Shot noise
    normal distribution about its mean, and the elementary events (photons, electrons, etc.) are no longer individually observed, typically making shot noise...
    20 KB (2,942 words) - 22:45, 31 March 2024
  • Thumbnail for Energy level
    number of the energy level the electron descends from, when emitting a photon). The Rydberg formula was derived from empirical spectroscopic emission...
    22 KB (2,830 words) - 06:53, 21 October 2024
  • X-ray photon correlation spectroscopy (XPCS) in physics and chemistry, is a novel technique that exploits a coherent X-ray synchrotron beam to measure...
    3 KB (364 words) - 10:05, 21 December 2023
  • of times a specific event occurs per photon absorbed by the system. Φ ( λ ) =  number of events   number of photons absorbed  {\displaystyle \Phi (\lambda...
    11 KB (1,546 words) - 23:55, 1 May 2024
  • temperature of 20 °C. The energy E, frequency ν, and wavelength λ of a photon are related by E = h ν = h c λ = 4.135   667   696 × 10 − 15 e V / H z ×...
    21 KB (2,072 words) - 21:18, 26 October 2024
  • Thumbnail for Panpsychism
    wave-function collapse is known as the measurement problem. It seems that atoms, photons, etc. are in quantum superposition (which is to say, in many seemingly contradictory...
    85 KB (9,501 words) - 00:28, 8 September 2024