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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 7 — Aug. 1, 2013

550 mJ Q-switched cryogenic Ho:YLF oscillator pumped with a 100 W Tm:fiber laser

Helge Fonnum, Espen Lippert, and Magnus W. Haakestad  »View Author Affiliations

Optics Letters, Vol. 38, Issue 11, pp. 1884-1886 (2013)

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We report 550 mJ pulses with 14 ns FWHM duration at 1 Hz repetition rate from a Q-switched cryogenic Ho:YLF oscillator pumped with 100 W in 35 ms by a Tm:fiber laser. The laser has a confocal unstable resonator with a graded-reflectance output coupler, resulting in a beam quality of M2=1.5. Pulse energies of 416 and 343 mJ were obtained at 10 and 20 Hz repetition rate, respectively.

© 2013 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.6810) Lasers and laser optics : Thermal effects

ToC Category:
Lasers and Laser Optics

Original Manuscript: February 27, 2013
Revised Manuscript: April 30, 2013
Manuscript Accepted: April 30, 2013
Published: May 23, 2013

Virtual Issues
Vol. 8, Iss. 7 Virtual Journal for Biomedical Optics

Helge Fonnum, Espen Lippert, and Magnus W. Haakestad, "550 mJ Q-switched cryogenic Ho:YLF oscillator pumped with a 100 W Tm:fiber laser," Opt. Lett. 38, 1884-1886 (2013)

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