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Proceedings Paper

Point-ahead mechanism for ETS-VI optical ISL experiment
Author(s): Motoh Shimizu; Koichi Shiratama; Yoshio Ohgushi; Motokazu Shikatani; Yoshinori Arimoto; Tadashi Aruga
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Paper Abstract

An offset feedback-type point-ahead method is described and its application to the Engineering Test Satellite VI (ETS-VI) laser communication equipment (LCE) is examined. The role in the method of a high-resolution mirror-deflection mechanism driven by a multilayered piezoelectric actuator is pointed out. The pointing resolution using the method is estimated to be less than 1 microrad at the output of the transmitting optics, which is sufficient of the LCE experiment.

Paper Details

Date Published: 1 July 1990
PDF: 12 pages
Proc. SPIE 1218, Free-Space Laser Communication Technologies II, (1 July 1990); doi: 10.1117/12.18224
Show Author Affiliations
Motoh Shimizu, NEC Corp. (Japan)
Koichi Shiratama, NEC Corp. (Japan)
Yoshio Ohgushi, NEC Corp. (Japan)
Motokazu Shikatani, Ministry of Posts and Telecommunications (Japan)
Yoshinori Arimoto, Ministry of Posts and Telecommunications (Japan)
Tadashi Aruga, Ministry of Posts and Telecommunications (Japan)


Published in SPIE Proceedings Vol. 1218:
Free-Space Laser Communication Technologies II
David L. Begley; Bernard D. Seery, Editor(s)

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