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Proceedings Paper

Inertially stabilized two-axis gimbal for space laser communication systems: design description and test results
Author(s): Russell R. Mellon; William J. Owen
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Paper Abstract

The design of an inertially stabilized 2-axis gimbal for use with space laser communications systems is presented along with test results obtained for this gimbal during operation within static and induced vibration disturbance environments. When operated in a seismically quiet background environment, the gimbal has demonstrated a closed loop line-of-sight (LOS) angular stability of 38 nanoradians, 2-axis, 1 sigma, RMS. When exposed to an input vibration disturbance force of 1 milli-G, RMS, (simulating a worst case disturbance environment anticipated for space operational use) the LOS stability remains better than 100 aRad over a frequency range of 0-1 KHz. The experimental apparatus, test methodology, probable error sources and error magnitudes are described.

Paper Details

Date Published: 1 July 1990
PDF: 5 pages
Proc. SPIE 1218, Free-Space Laser Communication Technologies II, (1 July 1990); doi: 10.1117/12.18225
Show Author Affiliations
Russell R. Mellon, Martin Marietta Space Systems Co. (United States)
William J. Owen, Martin Marietta Space Systems Co. (United States)

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

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