Conically scanned holographic lidar telescope

Details Conically scanned holographic lidar telescope Conically scanned holographic lidar telescope

1992-03-10

1993-10-19

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

359 17, 359 18, G01C 308, G02B 532

Patent

active

052550656

ABSTRACT:
An optical scanning device utilizing a source of optical energy such as laser light backscattered from the earth's atmosphere or transmitted outward as in a lidar, a rotating holographic optical element having an axis of rotation perpendicular to the plane of its substrate, and having a stationary focus which may or may not be located on its axis of rotation, with the holographic optical element diffracting the source of optical energy at an angle to its rotation axis enabling a conical scanning area and a motor for supporting and rotating the rotating holographic optical element.

REFERENCES:
patent: 4639070 (1987-01-01), Ikeda et al.
patent: 4768847 (1988-09-01), Iwaoka et al.
patent: 4832426 (1989-05-01), Kaser
patent: 4923262 (1990-05-01), Clay
patent: 4925262 (1990-05-01), Yamagishi et al.
patent: 4957336 (1990-09-01), Hasegawa et al.
patent: 5009502 (1991-04-01), Shih et al.
patent: 5064258 (1991-11-01), Inokuchi et al.

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