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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 20 — Oct. 15, 2013
  • pp: 4138–4141

Magic mode switching in Yb:CaGdAlO4 laser under high pump power

Frédéric Druon, Mickaël Olivier, Anaël Jaffrès, Pascal Loiseau, Nicolas Aubry, Julien DidierJean, François Balembois, Bruno Viana, and Patrick Georges  »View Author Affiliations


Optics Letters, Vol. 38, Issue 20, pp. 4138-4141 (2013)
http://dx.doi.org/10.1364/OL.38.004138


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Abstract

We present unique spatial-mode switching in a cw Yb:CALGO laser when pumped at a multihundred-watts power level. It permits us to automatically stabilize to a TEM00 mode from a highly spatial multimode regime. This stabilization is achievable thanks to polarization-mode switching allowed by the particular spectroscopic and thermal properties of Yb:CALGO crystal. This atypical and unexpected behavior is studied in detail in this Letter and explained by analysis of the thermo-optical coefficients for CALGO.

© 2013 Optical Society of America

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 22, 2013
Revised Manuscript: September 11, 2013
Manuscript Accepted: September 11, 2013
Published: October 10, 2013

Citation
Frédéric Druon, Mickaël Olivier, Anaël Jaffrès, Pascal Loiseau, Nicolas Aubry, Julien DidierJean, François Balembois, Bruno Viana, and Patrick Georges, "Magic mode switching in Yb:CaGdAlO4 laser under high pump power," Opt. Lett. 38, 4138-4141 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-20-4138

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