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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 8 — Aug. 1, 2008
  • pp: 1303–1311

Phase-locking principle of axisymmetric structural C O 2 laser and theoretical study of the influences of parameters-changes on phase-locking

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

JOSA B, Vol. 25, Issue 8, pp. 1303-1311 (2008)

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Based on the injection-locking principle, the phase-locking mechanisms of axisymmetricfold combination C O 2 lasers are analyzed. Then influences of parameters-changes on phase-locking are studied in detail, such as changes of cavity length and curvature radius, linewidth, phase error, and coherence time. It is shown that these factors almost do not influence the degree of mode coupling, but they could influence distribution of light intensity to some degree. Phase-locking can improve the value of maximum light intensity significantly; what is more, the numerical calculation indicates that the higher the fringe visibility the better the coherence.

© 2008 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3470) Lasers and laser optics : Lasers, carbon dioxide
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.3295) Lasers and laser optics : Laser beam characterization
(140.3298) Lasers and laser optics : Laser beam combining
(140.3325) Lasers and laser optics : Laser coupling

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 9, 2008
Revised Manuscript: May 22, 2008
Manuscript Accepted: June 17, 2008
Published: July 22, 2008

Yonggen Xu, Yude Li, Ting Feng, Yi Qiu, Fuxing Fu, and Wei Guo, "Phase-locking principle of axisymmetric structural CO2 laser and theoretical study of the influences of parameters-changes on phase-locking," J. Opt. Soc. Am. B 25, 1303-1311 (2008)

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