Lasercom system architecture with reduced complexity

Details Lasercom system architecture with reduced complexity Lasercom system architecture with reduced complexity

1994-03-31

1996-05-14

Allen, Stephone

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

2502062, 3561522, 359170, G01J 120, G01B 1126

Patent

active

055170161

ABSTRACT:
Spatial acquisition and precision beam pointing functions are critical to spaceborne laser communication systems. In the present invention a single high bandwidth CCD detector is used to perform both spatial acquisition and tracking functions. Compared to previous lasercom hardware design, the array tracking concept offers reduced system complexity by reducing the number of optical elements in the design. Specifically, the design requires only one detector and one beam steering mechanism. It also provides means to optically close the point-ahead control loop. The technology required for high bandwidth array tracking was examined and shown to be consistent with current state of the art. The single detector design can lead to a significantly reduced system complexity and a lower system cost.

REFERENCES:
patent: 3566126 (1971-02-01), Lang et al.
patent: 3989942 (1976-11-01), Waddoups
patent: 4243877 (1981-01-01), Cruz
patent: 4583852 (1986-04-01), Cassidy et al.
patent: 4653911 (1987-03-01), Fortin
patent: 5142400 (1992-08-01), Solinsky

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