Apparatus for analyzing coherent radiation

Details Apparatus for analyzing coherent radiation Apparatus for analyzing coherent radiation

1984-07-05

1986-06-10

Willis, Davis L.

Optics: measuring and testing

By particle light scattering

With photocell detection

356352, G01J 902

Patent

active

045940029

ABSTRACT:
The present invention is directed to improvements in apparatus for analyzing coherent radiation in the presence of non-coherent ambient radiation subject to atmospheric scintillation effects, using unequal path interferometer apparatus and detector apparatus, said improvements comprising a closely packed bundle of fiber optic elements having an input face disposed adjacent the interferometer apparatus for receiving incident radiation passing therethrough, each of the elements being of a substantially smaller diameter than the atmospheric scintillation spatial structure; the said bundle of fiber optic elements having a medial portion wherein the elements are sorted or arranged into a plurality of subbundles; and said detector apparatus having a plurality of detector elements, each detector element being mounted adjacent one of the subbundles for being illuminated thereby.

REFERENCES:
patent: 3551051 (1970-12-01), Salgo
patent: 4170416 (1979-10-01), Fencil
patent: 4222667 (1980-09-01), Layne
patent: 4309108 (1982-01-01), Siebert

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