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Proceedings Paper

Servo System For Phase Control Of HF Chemical Lasers
Author(s): C. P. Wang; P. L. Smith
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Paper Abstract

For the coherent optical recombination of high power HF chemical laser beams such as master and slave oscillator array (MASOA) or coherent optical adaptive technique (COAT), a wide bandwidth servo system is required to control the phases of the laser beams. A phase-control servo system using a rate feedback and a laser Doppler sensor was designed. Its performance was simulated on a CDC7600 computer. Laser frequency drift was modeled by a Gaussian Markov random process and the mechanical response of the PZT mirror-driver was modeled by a transfer function. The result indicated that a rms steady-state phase error of less than 3 deg. can be achieved. More detailed discussion on the servo system design and simulation will be given.

Paper Details

Date Published: 11 July 1979
PDF: 1 pages
Proc. SPIE 0179, Adaptive Optical Components II, (11 July 1979); doi: 10.1117/12.957302
Show Author Affiliations
C. P. Wang, The Aerospace Corporation (United States)
P. L. Smith, The Aerospace Corporation (United States)

Published in SPIE Proceedings Vol. 0179:
Adaptive Optical Components II
Sandor Holly, Editor(s)

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