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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2970–2972

Q -switched resonantly diode-pumped Er 3 + : YAG laser with fiberlike geometry

Stefano Bigotta and Marc Eichhorn  »View Author Affiliations

Optics Letters, Vol. 35, Issue 17, pp. 2970-2972 (2010)

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Crystalline fiberlike diode-pumped laser systems offer a convenient way to obtain compact, robust, and efficient operation whenever long active media are required. One of these cases is the diode-pumped Er 3 + : YAG laser emitting at 1.6 μm , where long crystals are needed to avoid the upconversion processes. By resonantly pumping the I 13 / 2 4 level around 1.53 μm , and by confining the pump radiation into the crystal by total internal reflection, a maximum output power of 14.5 W in cw mode is reached when pumped with ~40 W of absorbed power. In Q-switching mode, pulse energies of more than 8 mJ were obtained at a repetition rate of 90 Hz , limited by coating damage.

© 2010 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
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

Original Manuscript: June 10, 2010
Revised Manuscript: August 2, 2010
Manuscript Accepted: August 5, 2010
Published: August 27, 2010

Stefano Bigotta and Marc Eichhorn, "Q-switched resonantly diode-pumped Er3+:YAG laser with fiberlike geometry," Opt. Lett. 35, 2970-2972 (2010)

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