Laser tracker designator

Details Laser tracker designator Laser tracker designator

1985-02-08

1987-03-17

Buczinski, Stephen C.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

356 5, G01B 1126, G01C 308

Patent

active

046503250

ABSTRACT:
A laser source projects a main beam through a central hole formed in an optical wedge. A portion of the laser light is refracted through the wedge and forms an optical side lobe. By rotating the wedge the side lobe undergoes a conical scan enhancing the tracking capability of the laser beam. A laser range finder processes the reflected return of the conical scan from a target and establishes an error signal which is minimized when equal reflections are obtained at spaced points along the conical scan thereby establishing a tracking direction which is coincident with the optical center of the target.

REFERENCES:
patent: 4063819 (1977-12-01), Hayes
patent: 4470698 (1984-09-01), Green, Jr. et al.
patent: 4516853 (1985-05-01), Pearson

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