Patent ID: 6289076
Filing Date: 2001-09-11
Classification: G03F

Abstract:
A synchrotron radiation light transmission system comprising:an optical system for transmitting synchrotron radiation light; anda thin film disposed in an optical path of the synchrotron radiation light, said thin film being made of a material capable of attenuating the synchrotron radiation light, and being formed so that when the synchrotron radiation light is transmitted through said thin film an optical path length in said thin film of the synchrotron radiation light transmitting through said thin film is not uniform in an in-plane of said thin film;wherein the synchrotron radiation light has a beam cross section, in a plane vertical to an optical axis of the synchrotron radiation, which is shorter in a first direction than in a second direction perpendicular to the first direction, and the beam cross section is curved.