two-photon
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Two-photon excitation microscopy — is a fluorescence imaging technique that allows imaging of living tissue up to a very high depth, that is up to about one millimeter. Being a special variant of the multiphoton fluorescence microscope, it uses red shifted excitation light which… … Wikipedia
Two-photon absorption — (TPA) is the simultaneous absorption of two photons of identical or different frequencies in order to excite a molecule from one state (usually the ground state) to a higher energy electronic state. The energy difference between the involved… … Wikipedia
Two-photon physics — Two photon physics, also called gamma gamma physics, is a branch of particle physics for the interactions between two photons. If the energy in the center of mass system of the two photons is large enough, matter can be created.Fact|date=May… … Wikipedia
two-photon absorption — dvifotonė sugertis statusas T sritis radioelektronika atitikmenys: angl. two photon absorption vok. Zweiphotonenabsorption, f rus. двуфотонное поглощение, n pranc. absorption à deux photons, f; absorption biphotonique, f … Radioelektronikos terminų žodynas
two-photon absorption cross-section — dvifotonės sugerties skerspjūvis statusas T sritis radioelektronika atitikmenys: angl. two photon absorption cross section vok. Zweiphotonenabsorptionsquerschnitt, m rus. сечение двухфотонного поглощения, n pranc. section d absorption à deux… … Radioelektronikos terminų žodynas
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
Photon sphere — A photon sphere is a spherical region of space where gravity is strong enough that photons of light are forced to travel in orbits. The formula to find the radius for a circular photon orbit is: r=3GM/C2. Because of this equation photon spheres… … Wikipedia
Photon mapping — In computer graphics, photon mapping is a two pass global illumination algorithm developed by Henrik Wann Jensen that solves the rendering equation. Rays from the light source and rays from the camera are traced independently until some… … Wikipedia
Photon polarization — is the quantum mechanical description of the classical polarized sinusoidal plane electromagnetic wave. Individual photons are completely polarized. Their polarization state can be linear or circular, or it can be elliptical, which is anywhere in … Wikipedia
Photon antibunching — generally refers to a light field with photons more equally spaced than a coherent laser field. More specifically, it can refer to sub Poisson photon statistics, that is a photon number distribution for which the variance is less than the mean. A … Wikipedia
Photon (TV series) — Photon was a live action television show in the mid 1980s, which was tied in to the lasertag arenas and home game. Hook Photon followed the adventures of a young high school student, Christopher Jarvis with the alias of Bhodi Li . Chris discovers … Wikipedia
