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Optics Letters

Optics Letters


  • Vol. 36, Iss. 6 — Mar. 15, 2011
  • pp: 948–950

Efficient diode-pumped laser operation of Tm : Lu 2 O 3 around 2 μm

Philipp Koopmann, Samir Lamrini, Karsten Scholle, Peter Fuhrberg, Klaus Petermann, and Günter Huber  »View Author Affiliations

Optics Letters, Vol. 36, Issue 6, pp. 948-950 (2011)

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We report on the first diode-pumped laser operation of thulium-doped Lu 2 O 3 . With a very compact setup an output power of 75 W and slope efficiencies of around 40% with respect to the incident pump power were achieved at room temperature. Free running laser operation was observed at wavelengths of 2065 nm and 1965 nm . With a birefringent filter the wavelength could continuously be tuned from 1922 nm to 2134 nm . The thermal conductivity of Tm : Lu 2 O 3 was measured for different dopant concentrations and is compared to the one of thulium-doped YAG.

© 2011 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
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 20, 2011
Manuscript Accepted: February 7, 2011
Published: March 10, 2011

Philipp Koopmann, Samir Lamrini, Karsten Scholle, Peter Fuhrberg, Klaus Petermann, and Günter Huber, "Efficient diode-pumped laser operation of Tm:Lu2O3 around 2 μm," Opt. Lett. 36, 948-950 (2011)

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