Laser pointing system

Details Laser pointing system Laser pointing system

1990-03-01

1992-10-13

Albritton, C. L.

Electric heating

Metal heating

By arc

21912174, B23K 2602

Patent

active

051553279

ABSTRACT:
A laser pointing system directs a laser beam at one face of a steering mirror to produce a steered reflected beam. A highly attenuated portion of the laser beam passes through the mirror leaving at a second side, which side also reflects a stellar field. A star of the stellar field and the attenuated beam are both imaged on a star tracker. The mirror is moved so the two images coincide, thus aligning the steered beam parallel to the direction of the star. A gyro package detects changes in the system orientation to update the mirror reference position, and a processor provides command coordinates to move the beam from the stellar coordinates and cause it to point in a selected target direction.

REFERENCES:
patent: 3658427 (1972-04-01), DeCou
patent: 3732424 (1973-05-01), Wojtulewicz
patent: 4270044 (1981-05-01), Elwell, Jr.

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