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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 27 — Sep. 20, 2010
  • pp: 5143–5147

Fuzzy logic based feedback control system for laser beam pointing stabilization

Ranjeet Singh, Kiran Patel, J. Govindarajan, and Ajai Kumar  »View Author Affiliations


Applied Optics, Vol. 49, Issue 27, pp. 5143-5147 (2010)
http://dx.doi.org/10.1364/AO.49.005143


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Abstract

This paper reports a fuzzy logic based feedback control system for beam pointing stabilization of a high-power nanosecond Nd:YAG laser operating at 30 Hz . This is achieved by generating the correcting signal for each consequent pulse from the error in the pointing position of the previous laser pulse. We have successfully achieved a reduction of beam position fluctuation from ± 60 to ± 5.0 μrad without the focusing optics and ± 0.9 μrad with focusing optics.

© 2010 Optical Society of America

OCIS Codes
(140.3295) Lasers and laser optics : Laser beam characterization
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 6, 2010
Manuscript Accepted: August 12, 2010
Published: September 16, 2010

Citation
Ranjeet Singh, Kiran Patel, J. Govindarajan, and Ajai Kumar, "Fuzzy logic based feedback control system for laser beam pointing stabilization," Appl. Opt. 49, 5143-5147 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-27-5143

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