Spatial optical communication apparatus

Details Spatial optical communication apparatus Spatial optical communication apparatus

2007-03-13

2007-03-13

Li, Shi K. (Department: 2613)

Optical communications

Optical communication over freee space

Transceivers

C398S131000

Reexamination Certificate

active

10454732

ABSTRACT:
In a disclosed spatial optical communication apparatus, the optical-axis deviation correction is possible at the same time for both high-speed angular variation with a small amplitude and low-speed angular variation with a large amplitude, and the apparatus has a function of correcting the optical-axis deviation whose application range is wide and whose correction ability is high. To achieve such function, the spatial optical communication apparatus for performing communication between spaced locations with a light beam is provided with both a light deflecting unit set inside an optical system with a narrow variable angle range and a fast response speed, and an optical system driving unit set outside the optical system with a slow response speed and a wide variable angle range.

REFERENCES:
patent: 6091528 (2000-07-01), Kanda
patent: 6347001 (2002-02-01), Arnold et al.
patent: 2003/0067657 (2003-04-01), Dimmler et al.

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