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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 13 — Jun. 26, 2006
  • pp: 6069–6074

Beam quality deterioration of lasers caused by intracavity beam distortions

Rüdiger Paschotta  »View Author Affiliations


Optics Express, Vol. 14, Issue 13, pp. 6069-6074 (2006)
http://dx.doi.org/10.1364/OE.14.006069


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Abstract

It is well known that beam distortions in a laser cavity can deteriorate the laser’s beam quality, but why and exactly how the impact of such distortions can strongly depend on details of the resonator setup has not been studied in detail. This article clarifies the issue with a simple resonant mode coupling model, explaining e.g. why strong beam quality deterioration is often observed near certain (but not all) resonator frequency degeneracies, while a resonator can be very tolerant to distortions in other cases. These findings lead to important conclusions, including practical guidelines for optimizing laser beam quality via cavity design.

© 2006 Optical Society of America

OCIS Codes
(140.3410) Lasers and laser optics : Laser resonators
(140.3430) Lasers and laser optics : Laser theory
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 24, 2006
Revised Manuscript: June 6, 2006
Manuscript Accepted: June 6, 2006
Published: June 26, 2006

Citation
Rüdiger Paschotta, "Beam quality deterioration of lasers caused by intracavity beam distortions," Opt. Express 14, 6069-6074 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-13-6069


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References

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