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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 4 — Feb. 15, 2012
  • pp: 515–517

Directly diode-pumped high-energy Ho:YAG oscillator

Samir Lamrini, Philipp Koopmann, Michael Schäfer, Karsten Scholle, and Peter Fuhrberg  »View Author Affiliations


Optics Letters, Vol. 37, Issue 4, pp. 515-517 (2012)
http://dx.doi.org/10.1364/OL.37.000515


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Abstract

We report on the high-energy laser operation of an Ho:YAG oscillator resonantly pumped by a GaSb-based laser diode stack at 1.9 μm. The output energy was extracted from a compact plano–concave acousto-optically Q-switched resonator optimized for low repetition rates. Operating at 100 Hz, pulse energies exceeding 30 mJ at a wavelength of 2.09 μm were obtained. The corresponding pulse duration at the highest pump power was 100 ns, leading to a maximum peak power above 300 kW. Different pulse repetition rates and output coupling transmissions of the Ho:YAG resonator were studied. In addition, intracavity laser-induced damage threshold measurements are discussed.

© 2012 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 7, 2011
Revised Manuscript: December 27, 2011
Manuscript Accepted: December 29, 2011
Published: February 8, 2012

Citation
Samir Lamrini, Philipp Koopmann, Michael Schäfer, Karsten Scholle, and Peter Fuhrberg, "Directly diode-pumped high-energy Ho:YAG oscillator," Opt. Lett. 37, 515-517 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-4-515

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