VISAR interferometer with field elements

Details VISAR interferometer with field elements VISAR interferometer with field elements

2007-11-13

2007-11-13

Turner, Samuel A. (Department: 2877)

Optics: measuring and testing

By light interference

C356S028500, C356S478000

Reexamination Certificate

active

11290717

ABSTRACT:
The present invention includes an interferometer for VISAR. Optionally, the present VISAR system includes intracavity imaging design with converging beams and field elements to, among other possible purposes, image the array. An optional embodiment of the present VISAR system may also optionally include precision fiber arrays. Optionally, the present system may use non-collimated beams to allow intracavity access to individual channels for one or more additional delay paths.

REFERENCES:
patent: 5245473 (1993-09-01), Stanton et al.
patent: 5481359 (1996-01-01), Barker
patent: 5493398 (1996-02-01), Pfister
patent: 5870192 (1999-02-01), Barker
patent: 6115121 (2000-09-01), Erskine
patent: 6504614 (2003-01-01), Messerschmidt et al.
Hemsing et al, VISAR: Lone-Imaging interferometer, SPIE, vol. 1346, 1990, pp. 133-140.
Sweatt, Depth of focus in velocity interferometer system for any reflector systems, Review of Scientific Insruments, vol. 63, No. 5, May 1992, pp. 2945-2949.

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