Optical space communication apparatus

Details Optical space communication apparatus Optical space communication apparatus

1996-10-08

1997-11-18

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359152, 359159, 359168, H04B 1000

Patent

active

056893540

ABSTRACT:
An optical space communication apparatus includes a light-emitting device for emitting an elliptic light beam, and a light-projecting optical system for converting the elliptic light beam into a transmission light beam. The light-projecting optical system shapes a cross section of the transmission light beam into an elliptic shape immediately after having left the light-projecting optical system and also shapes the cross section of the transmission light beam into a nearly circular shape at a receiving point being located at the farthest distance in a transmissible distance range.

REFERENCES:
patent: 5329395 (1994-07-01), Endo et al.
patent: 5367398 (1994-11-01), Ito et al.

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