Optical space communication apparatus

Details Optical space communication apparatus Optical space communication apparatus

1994-11-14

1997-01-14

Chin, Wellington

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359159, H04B 1000

Patent

active

055945805

ABSTRACT:
An optical space communication apparatus for propagating a beam of light through free space to thereby effect communication includes a transmitting device for transmitting a first optical signal converted into a beam of light, a expanse angle varying device for varying the angle of expanse of the beam of light into which the first optical signal has been converted, a level varying device for varying the output level of the first optical signal, a control device for controlling the expanse angle varying device and the level varying device, and a receiving device for receiving a second optical signal converted into a beam of light.

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Laboratory Model of a Bidirectional Diode Laser Data Link with Acquisition and Tracking Capability, SPIE vol. 810, Optical Systems for Space Applications, pp. 239-244 (1987).

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