Variable beam width laser radar system

Details Variable beam width laser radar system Variable beam width laser radar system

1981-12-07

1991-05-07

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

89 111, 350 9624, 356 5, 372 6, G01B 1126, B64D 104

Patent

active

050131516

ABSTRACT:
A high precision, high power laser-radar system whose output beamwidth can be varied from a divergent to a convergent mode thus allowing for target acquisition, its high precision tracking and ultimately its destruction is described. Essentially the invention comprises an optical detector and an optical transmitter consisting of a steerable, large diameter, coherently packed, single mode optical fibre bundle, one end of which is compacted and optically polished to act as the transmitting aperture of the said laser-radar system while the other end of the said fibre bundle is unbound, with each individual fibre, or a small group of such fibres being optically coupled to one of many laser pulse amplifiers forming a large array of such amplifiers required to produce the transmitted laser output pulse energy.

REFERENCES:
patent: 3331651 (1967-07-01), Sterzer
patent: 3427611 (1969-02-01), Enenstein
patent: 3590248 (1971-06-01), Chatterton
patent: 3691390 (1972-09-01), Chow et al.
patent: 3691483 (1972-09-01), Klein
patent: 3727233 (1973-04-01), O'Meara
patent: 3878520 (1975-04-01), Wright et al.
patent: 3946233 (1976-03-01), Erben et al.
patent: 3953131 (1976-04-01), Britz
patent: 3967899 (1976-07-01), O'Meara
Pearson, Optical Engineering, vol. 15, No. 2, Mar.-Apr. 1976, p. 151.

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