Optical system having beam amplification

Details Optical system having beam amplification Optical system having beam amplification

1988-06-30

1990-02-20

Tarcza, Thomas H.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 45, G01C 308

Patent

active

049021257

ABSTRACT:
A laser radar system having amplification of the optical beam. In a system where it is desired to achieve greater information content or greater system sensitivity, one or more laser amplifiers in the beam paths provide greater optical power for increased distance. Eleven system architectures are disclosed for use with a modified Mach-Zehnder interferometer, eleven are disclosed for use with a Fizeau interferometer, and three are disclosed for use in a noncoherent optical system. The embodiments are distinguished by the number and placement of the laser amplifiers in the optical paths of the system.

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U.S. patent application Ser. No. 33,958, "Interferometer for Photoconductive Detectors," filed Apr. 3, 1987 (C. E. Harris, et al.).

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