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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 23 — Nov. 5, 2012
  • pp: 25596–25602

Gain structuration in dual-wavelength Nd:YSAG ceramic lasers

Lionel Jaffres, Alexis Labruyère, Vincent Couderc, Julie Carreaud, Alexandre Maître, Rémi Boulesteix, Alain Brenier, Georges Boulon, Yannick Guyot, Yoël Rabinovitch, and Christian Sallé  »View Author Affiliations

Optics Express, Vol. 20, Issue 23, pp. 25596-25602 (2012)

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We demonstrate a dual-wavelength Nd:YSAG ceramic laser in which the gain volume is structurated into two different regions providing gain at the wavelength of 1061 nm and 1064 nm respectively. We discuss the role of the nonuniform distribution of the temperature in structurating the gain region via the Boltzmann effect. We show that the two laser wavelengths can be switched by adjusting the size of the pump beam or by slightly modifying the geometrical parameters of the laser cavity, either the length of the cavity or the orientation of a mirror. Additionally, we demonstrate that the transverse modes at the two wavelengths are shaped according to the effect of gain filtering caused by the structuration of the gain region.

© 2012 OSA

OCIS Codes
(140.3530) Lasers and laser optics : Lasers, neodymium
(160.2540) Materials : Fluorescent and luminescent materials

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 10, 2012
Revised Manuscript: September 10, 2012
Manuscript Accepted: September 25, 2012
Published: October 26, 2012

Lionel Jaffres, Alexis Labruyère, Vincent Couderc, Julie Carreaud, Alexandre Maître, Rémi Boulesteix, Alain Brenier, Georges Boulon, Yannick Guyot, Yoël Rabinovitch, and Christian Sallé, "Gain structuration in dual-wavelength Nd:YSAG ceramic lasers," Opt. Express 20, 25596-25602 (2012)

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