Position demodulation through polarization of the...

Details Position demodulation through polarization of the... Position demodulation through polarization of the...

2007-01-09

2007-01-09

Tran, Dzung (Department: 2613)

Optical communications

Optical communication over freee space

Transceivers

C398S124000, C398S130000

Reexamination Certificate

active

10146759

ABSTRACT:
A method of eliminating the non-linearities associated with the remote feedback sensor, such as a quad position detector, used in a micro-electro-mechanical (MEM) mirror assembly. The incoming beam transmitted from a remote optical wireless link is first polarized, and then a single detector is employed to detect the polarization for the receiver. The single detector eliminates the non-linearity associated with a quad position detector, since the space between the quad detectors is eliminated.

REFERENCES:
patent: 3721965 (1973-03-01), Morgan-Voyce
patent: 4054367 (1977-10-01), Eschler et al.
patent: 5347387 (1994-09-01), Rice
patent: 5530577 (1996-06-01), Orino et al.
patent: 5760900 (1998-06-01), Ito et al.

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