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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 30, Iss. 3 — Mar. 1, 2013
  • pp: 549–551

Kerr lens mode locking without nonlinear astigmatism

Shai Yefet, Valery Jouravsky, and Avi Pe’er  »View Author Affiliations


JOSA B, Vol. 30, Issue 3, pp. 549-551 (2013)
http://dx.doi.org/10.1364/JOSAB.30.000549


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Abstract

We demonstrate a Kerr lens mode-locked folded cavity using a planar (non-Brewster) Ti:sapphire crystal as a gain and Kerr medium, thus cancelling the nonlinear astigmatism caused by a Brewster cut Kerr medium. Our method uses a novel cavity folding in which the intracavity laser beam propagates in two perpendicular planes, such that the astigmatism of one mirror is compensated by the other mirror, enabling the introduction of an astigmatic free, planar-cut gain medium. We demonstrate that this configuration is inherently free of nonlinear astigmatism, which in standard cavity folding needs a special power-specific compensation.

© 2013 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.7090) Lasers and laser optics : Ultrafast lasers
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 3, 2013
Manuscript Accepted: January 10, 2013
Published: February 12, 2013

Citation
Shai Yefet, Valery Jouravsky, and Avi Pe’er, "Kerr lens mode locking without nonlinear astigmatism," J. Opt. Soc. Am. B 30, 549-551 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-3-549

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