IR/ladar scanner

Details IR/ladar scanner IR/ladar scanner

1991-05-22

1994-05-31

Buczinski, Stephen C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

359196, 385 4, G02B 2608, G02F 1295, H01J 516

Patent

active

053171489

ABSTRACT:
A scanner for implementation with ladar, and visual band passive IR systems. An optic fiber is positioned such that one end thereof is maintained at the focal point of a lens system. A permanent magnetic is attached to the optic fiber near that end, with the permanent magnet being positioned within a space subjected to varying magnetic fields induced by pairs of orthogonally positioned electromagnets. The end of the optic fiber scans the image of the lens, with the scanning pattern being controlled by the varying magnetic fields induced by the electromagnetic pairs. Another end of the optic fiber is connected through a coupler to an infrared/optic detector and a laser diode. The coupler allows for duplexing of light energy from the laser diode to the lens and for the receiving of light energy from the lens to the detector.

REFERENCES:
patent: 3449587 (1969-06-01), Barnes
patent: 3941927 (1976-03-01), Russell
patent: 4236784 (1980-12-01), Palmer
patent: 4410235 (1983-10-01), Klement et al.

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