Dual mode scanner/tracker

Details Dual mode scanner/tracker Dual mode scanner/tracker

1984-11-09

1987-10-06

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

356 5, 250203R, G01C 308, G01B 1126, G01C 100

Patent

active

H00003417

ABSTRACT:
The beam of a laser radar is moved over the field of view by means of a p of scanner/trackers arranged in cascade along the laser beam. One of the scanner/trackers operates at high speed, with high resolution and a narrow field and is located in the demagnified portion of the laser beam. The other scanner/tracker operates at low speed with low resolution and a wide field and is located in the magnified portion of the laser beam. The two scanner/trackers complement each other to achieve high speed, high resolution scanning as well as tracking of moving targets. A beam steering telescope for an airborne laser radar which incorporates the novel dual mode scanner/tracker is also shown.

REFERENCES:
patent: 3977628 (1976-08-01), Barron
patent: 4401886 (1983-08-01), Pond et al.
patent: 4572662 (1986-02-01), Silverman

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