Method and arrangement for establishing a connection between...

Details Method and arrangement for establishing a connection between... Method and arrangement for establishing a connection between...

2005-06-21

2005-06-21

Chan, Jason (Department: 2633)

Optical communications

Optical communication over freee space

Transmitter and receiver

C398S123000, C398S129000, C398S130000

Reexamination Certificate

active

06909850

ABSTRACT:
Lightwaves (1), which carry data signals and beacon light, are used for establishing a connection between a receiver and a transmitter located remote from each other. An acquisition sensor (171) is provided for acquiring the lightwaves (1) in the receiver, which generates acquisition sensor signals (Sc) from the received lightwaves. The lightwaves (1), which are conducted over a telescope (2) and a beam splitter (R4), are fed to the acquisition sensor (171) as well as to a fiber nutator scanning device (5). Besides useful signals (Sa, Sb), an additional signal (Sw, Sm′, Sm) is obtained with the aid of the scanning device (5), which is used for making the acquisition easier.

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patent: 0831604 (1997-06-01), None
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Skormin et al.,Mathematical Modeling and Simulation Analysis of a Pointing, Acquisition, and Tracking System for Laser-Based Intersatellite Communication, Optical Engineering, Nov. 1993, p. 2749-2763, vol. 32 No. 11.

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