Concept information
Término preferido
self focusing
Definición
- Self-focusing is a non-linear optical process induced by the change in refractive index of materials exposed to intense electromagnetic radiation. A medium whose refractive index increases with the electric field intensity acts as a focusing lens for an electromagnetic wave characterized by an initial transverse intensity gradient, as in a laser beam. The peak intensity of the self-focused region keeps increasing as the wave travels through the medium, until defocusing effects or medium damage interrupt this process. Self-focusing of light was discovered by Gurgen Askaryan. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Self-focusing)
Concepto genérico
etiqueta alternativa (skos)
- self-focusing
- selffocusing
En otras lenguas
-
francés
-
auto-focalisation
URI
http://data.loterre.fr/ark:/67375/MDL-L402T6L9-3
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