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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 8 — Mar. 10, 2009
  • pp: 1591–1597

Characteristics of beam alignment in a high power four-pass laser amplifier

Yan-Qi Gao, Bao-Qiang Zhu, Dai-Zhong Liu, Xiao-Feng Liu, and Zun-Qi Lin  »View Author Affiliations


Applied Optics, Vol. 48, Issue 8, pp. 1591-1597 (2009)
http://dx.doi.org/10.1364/AO.48.001591


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Abstract

Beam alignment is used to control the pointing, rotation, and position of a beam automatically. We give an overview of the beam alignment system for a four-pass amplifier system. The coupling relationships between dependent quantities and deviations thereof for parameters of key optical elements are analyzed using matrix optics techniques. The rotation characteristics of a near field are discussed. The characteristics of the four-pass adjustment in the cavity spatial filter are shown and the output characteristics are provided. Finally, we develop an adjustment procedure.

© 2009 Optical Society of America

OCIS Codes
(080.2730) Geometric optics : Matrix methods in paraxial optics
(140.3280) Lasers and laser optics : Laser amplifiers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 14, 2008
Revised Manuscript: January 11, 2009
Manuscript Accepted: February 13, 2009
Published: March 6, 2009

Citation
Yan-Qi Gao, Bao-Qiang Zhu, Dai-Zhong Liu, Xiao-Feng Liu, and Zun-Qi Lin, "Characteristics of beam alignment in a high power four-pass laser amplifier," Appl. Opt. 48, 1591-1597 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-8-1591

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