photon conversion

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• Conversion interne — La conversion interne est un mode de désintégration radioactive par lequel un électron acquérant directement l énergie d excitation d un noyau atomique s en trouve expulsé de l atome. Il y a donc émission d un électron énergétique, mais en dehors …   Wikipédia en Français

• Photon — This article is about the elementary particle of light. For other uses, see Photon (disambiguation). Photon Photons emitted in a coherent beam from a laser Composition Elementary particle …   Wikipedia

• Internal conversion — This article is about the nuclear process. For the chemical process, see Internal conversion (chemistry). Internal conversion is a radioactive decay process where an excited nucleus interacts with an electron in one of the lower atomic orbitals,… …   Wikipedia

• Ein-Photon-Quelle — Bei einer Einzelphotonenquelle (auch Ein Photon Quelle) handelt es sich um eine Lichtquelle, bei der nie zwei oder mehr Photonen gleichzeitig emittiert werden. Benötigt werden einzelne Photonen insbesondere in der Quanteninformationsverarbeitung …   Deutsch Wikipedia

• Spontaneous parametric down-conversion — (SPDC) is an important process in quantum optics. A nonlinear crystal splits incoming photons into pairs of photons of lower energy whose combined energy and momentum are equal to the energy and momentum of the original photon. The state of the… …   Wikipedia

• Internal conversion (chemistry) — Internal conversion is a transition in from a higher to a lower electronic state in a molecule. It is sometimes called radiationless de excitation , because no photons are emitted. It differs from intersystem crossing in that, while both are… …   Wikipedia

• internal conversion — in decay of an isomer, transition between two nuclear energy states not characterized by emission of a photon because the energy is instead transferred to an inner orbital electron, which is ejected from the atom …   Medical dictionary

• Optical heterodyne detection — is an important special case of heterodyne detection. In heterodyne detection, a signal of interest at some frequency is non linearly mixed with a reference local oscillator (LO) that is set at a close by frequency. The desired outcome is the… …   Wikipedia

• Optical parametric oscillator — Infrared optical parametric oscillator An optical parametric oscillator (OPO) is a parametric oscillator which oscillates at optical frequencies. It converts an input laser wave (called pump ) into two output waves of lower frequency (ωs,ωi) by… …   Wikipedia

• Kamen Rider Sasword — nihongo|Kamen Rider Sasword|仮面ライダーサソード|Kamen Raidā Sasōdo is one of the characters in Kamen Rider Kabuto . His name is a pun on sasori , the Japanese word for scorpion (his motif), and sword . Tsurugi KamishiroPersonalitynihongo|Tsurugi… …   Wikipedia

• Computational human phantom — Computational human phantoms are models of the human body used in computerized analysis. Since the 1960s, the radiological science community has developed and applied these models for ionizing radiation dosimetry studies. These models have become …   Wikipedia