公开(公告)号：US3729261A

公开(公告)日：1973-04-24

申请号：US3729261D

申请日：1971-06-21

Applicant: RCA CORP

Inventor： RIDDLE J

IPC: G01J3/26 ,  G01B9/02 ,  H01S3/00

CPC classification number: G01J3/26

Abstract: A Fabry-Perot interferometer is multipassed to provide improved contrast for Brillouin spectra measurements, the interferometer being provided with a stabilization system which compensates for both thermal and mechanical drift of the interferometer mirrors with respect to each other. While the instrument is scanning the frequency spectrum of the multi-passed beam of incident wave energy, each pass being displaced with respect to the next adjacent pass, the stabilization system maintains the mirrors within the required degree of parallelism.

Abstract translation: 法布里 - 珀罗干涉仪是多通道的，以便为布里渊光谱测量提供改进的对比度，该干涉仪具有一个稳定系统，该系统补偿干涉仪镜相对于彼此的热和机械偏移。 当仪器扫描入射波能量的多次光束的频谱时，每次通过相对于下一个相邻的通过位移，稳定系统将镜子保持在所需的并行度内。