Depolarization effects on free space laser transceiver communication systems

Details Depolarization effects on free space laser transceiver communication systems Depolarization effects on free space laser transceiver communication systems

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1218..200h&link_type=abstract

IN: Free-space laser communication technologies II; Proceedings of the Meeting, Los Angeles, CA, Jan. 15-17, 1990 (A91-22776 08-

Mathematics

Optical Communication, Optical Depolarization, Semiconductor Lasers, Space Communication, Spaceborne Lasers, Transmitter Receivers, Far Fields, Optical Properties, Polarization Characteristics, Satellite Networks

Scientific paper

A technique developed at ESTEC for the measurement and theoretical estimation of optical polarization in the antenna telescopes of space optical communication systems (e.g., the ESA SILEX intersatellite system using 825-nm semiconductor lasers) is described. The design methods used to achieve high channel separation ratios in the SILEX telescopes are recalled; the failure of straightforward measurement techniques in practical ground-based testing is explained; and a solution based on the mathematical relationship between far-field and near-field intensity distributions is outlined. The primary instrument used in this method is a scanning ellipsometer.

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