Interferometer

Details Interferometer Interferometer

1987-11-03

1990-06-12

Willis, Davis L.

Optics: measuring and testing

By particle light scattering

With photocell detection

356358, G01B 902

Patent

active

049327801

ABSTRACT:
In an interferometer comprising a beam splitter made up of a parallel planar plate and translucent (that is, semi-reflecting) films formed on both sides thereof, and a pair of reverse reflectors disposed at predetermined distances from the two surfaces of the beam splitter, an incident beam is split into two beams by one of the translucent films, and the two beams are reflected by the reverse reflectors, thus interfering with each other at the other translucent film.

REFERENCES:
patent: 4632553 (1986-12-01), Vidrine et al.
patent: 4779983 (1988-10-01), Learner et al.

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