Optical test bench

Details Optical test bench Optical test bench

1988-03-04

1990-12-04

Fields, Carolyn E.

Radiant energy

Calibration or standardization methods

250341, 250342, 350321, G12B 1300

Patent

active

049755730

ABSTRACT:
An optical test bench for testing the technical characteristics of electromagnetic wave sensors and emitters of an air and ground surveillance electro-optical module mounted on a missile firing vehicle, the module capable of acquiring, ranging and tracking a target and of guiding a missile toward the target. This test device is specifically designed for factory and environmental testing, by opposition to laboratory controlled environment testing. The optical test bench of the invention includes: two parabolic off-axis collimating mirrors, for focusing the fields of view of the module to a common focal point; a computer-controlled focal plane system, including four test assemblies selectively shiftable to register with said focal point, and a laser alignment periscope system to exactly adjust each parabolic mirror relative to the other so that their focal points coincide.

REFERENCES:
patent: 2399971 (1946-05-01), Wolfe
patent: 4626685 (1986-12-01), Pitalo et al.
Weiser, "Testing Image Quality in Electro-Optical Devices", Conference, Image Assessment & Specification, Rochester, N.Y., May 20-22, 1974, pp. 264-270.

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