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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 33 — Nov. 20, 2008
  • pp: 6291–6299

Influences of misalignment of control mirror of axisymmetric-structural CO 2 laser on phase locking

Yonggen Xu, Yude Li, Yi Qiu, Ting Feng, Fuxing Fu, and Wei Guo  »View Author Affiliations


Applied Optics, Vol. 47, Issue 33, pp. 6291-6299 (2008)
http://dx.doi.org/10.1364/AO.47.006291


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Abstract

Based on the principle of phase locking of an axisymmetric–fold combination CO 2 laser under the normal state condition, the mechanisms of phase locking are analyzed when the control mirror is misaligned. Then the overlapping rate (OR) of the mode volume is introduced: the main influences on phase locking are the OR, the average life of the light wave, the root mean square phase error, and the mode coupling coefficient; these influences on phase locking are studied. The distribution of the light intensity reflects the effect of phase locking. It is shown that the misaligned angle has little influence on the phase locking if it is within tolerance.

© 2008 Optical Society of America

OCIS Codes
(140.3470) Lasers and laser optics : Lasers, carbon dioxide
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.3298) Lasers and laser optics : Laser beam combining
(140.3325) Lasers and laser optics : Laser coupling

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 12, 2008
Manuscript Accepted: October 17, 2008
Published: November 20, 2008

Citation
Yonggen Xu, Yude Li, Yi Qiu, Ting Feng, Fuxing Fu, and Wei Guo, "Influences of misalignment of control mirror of axisymmetric-structural CO2 laser on phase locking," Appl. Opt. 47, 6291-6299 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-33-6291


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References

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