Accession Number : ADD006153

Title :   Stray Light Eliminator in a Scatterometer.

Descriptive Note : Patent Application,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Rahn,John P

Report Date : 07 Jun 1979

Pagination or Media Count : 21

Abstract : This invention relates to scatterometer systems and in particular to scatterometer systems which eliminate stray light. Further this system relates to scatterometers which in addition to having stray light eliminated are able to dump excess light without heating or other surplus light problems. (Author)

Descriptors :   *Patent applications, *Optical filters, *Light scattering, Backscattering, Laser beams, Ring lasers, Gyroscopes, Coupling(Interaction), Locking(Electronics), Noise(Electrical and electromagnetic), Noise reduction

Subject Categories : Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE