CONSERVATION OF RADIANCE


Meaning of CONSERVATION OF RADIANCE in English

A basic principle of optics, that no passive optical system can increase the quantity L / n 2 , where L is the radiance of a beam and n is the local refractive index . ( 188 ) Note: "Conservation of radiance" was formerly called "conservation of brightness " or the "brightness theorem."

Telecommunication standard terms English vocab.      Английский словарь стандартных телекоммуникационных терминов.