photon-photon scattering

См. также в других словарях:

• 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

• Scattering — is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more localized non uniformities in the medium through which they pass. In… …   Wikipedia

• Photon — Photons émis dans le faisceau cohérent d’un laser Propriétés générales Classification Boson Composition Élémentaire Groupe …   Wikipédia en Français

• Photon tracing — is a rendering method similar to ray tracing and photon mapping for creating ultra high realism images.Rendering MethodThe method aims to simulate realistic photon behavior by using an adapted ray tracing method similar to photon mapping, by… …   Wikipedia

• Photon diffusion — refers to a situation where photons travel through a material with a high optical depth and very short mean free path. Their behavior is then dominated by scattering and the path of any given photon is effectively a random walk. A large ensemble… …   Wikipedia

• Photon-in-photon-out — spectroscopy refers to all kinds of scattering of electromagnetic radiation, e.g. X ray emission spectroscopy. Spectroscopy is a means to obtain information from atomic systems (matter) by recording their response to an external excitation. One… …   Wikipedia

• Photon diffusion equation — is a second order partial differential equation describing the time behavior of photon fluence rate distribution in a low absorption high scattering medium.Its mathematical form is as follows. abla(D(r)cdot abla)Phi(vec{r},t) vmu… …   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

• scattering — scat·ter·ing n the random change in direction of the particles constituting a beam or wave front due to collision with particles of the medium traversed * * * scat·ter·ing (skatґər ing) a change in direction of a photon or subatomic particle …   Medical dictionary

• Monte Carlo method for photon transport — 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 are expressed as probability distributions which describe the step size of… …   Wikipedia

• Delbruck scattering — Delbrück scattering, the deflection of high energy photons in the Coulomb field of nuclei as a consequence of vacuum polarization has been observed. However, the process of scattering of light by light, has not been observed.[1] In both cases, it …   Wikipedia