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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 27 — Dec. 19, 2011
  • pp: 25860–25865

Comparison of a diode pumped Er:YSGG and Er:YAG laser in the bounce geometry at the 3 μm transition

Emma Arbabzadah, Simon Chard, Hemmel Amrania, Chris Phillips, and Michael Damzen  »View Author Affiliations

Optics Express, Vol. 19, Issue 27, pp. 25860-25865 (2011)

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A comparative study is made of the laser crystals 50 at. % Er:YAG and 50 at. % Er:YSGG. Both lasers are constructed in the bounce geometry with quasi continuous wave (QCW) diode pumping. In Er:YAG, pulse energies of up to ~31mJ, slope efficiency of 12.6% and a red-shift in laser wavelength are observed with a final and dominant wavelength of 2.936μm. In Er:YSGG, higher performance is achieved with pulse energies of ~55mJ, slope efficiency of 20.5% and a single transition wavelength of 2.797μm observed. The study indicates that diode pumped Er:YSGG is a superior laser source at 3μm than Er:YAG and it has greater energy storage potential for Q-switched operation.

© 2011 OSA

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 2, 2011
Revised Manuscript: October 10, 2011
Manuscript Accepted: October 13, 2011
Published: December 5, 2011

Emma Arbabzadah, Simon Chard, Hemmel Amrania, Chris Phillips, and Michael Damzen, "Comparison of a diode pumped Er:YSGG and Er:YAG laser in the bounce geometry at the 3 μm transition," Opt. Express 19, 25860-25865 (2011)

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