Revolving mirror scanning interferometer

Details Revolving mirror scanning interferometer Revolving mirror scanning interferometer

1978-04-10

1979-12-18

Corbin, John K.

Optics: measuring and testing

By particle light scattering

With photocell detection

350293, G01B 902, G01J 300

Patent

active

041792190

ABSTRACT:
A spectral scan by using a rotating spiralling toroidal mirror. The scan is made of a light beam from a source. A beamsplitter divides the beam into two components. One component is reflected off of a fixed mirror back to the beamsplitter. The second component is reflected off of the spiralling toroidal mirror back to the beamsplitter. As the mirror rotates, the pathlength constantly changes producing an interference pattern for all wavelengths within the range of the instrument.

REFERENCES:
patent: 3632871 (1972-01-01), Watkins
patent: 3684379 (1972-08-01), Girard
patent: 3776637 (1973-12-01), Hecht
patent: 4088898 (1978-05-01), Stitch

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