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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 14 — Jul. 15, 2010
  • pp: 2388–2390

Widely tunable dual-wavelength operation of a high-power Tm:fiber laser using volume Bragg gratings

Fei Wang, Deyuan Shen, Dianyuan Fan, and Qisheng Lu  »View Author Affiliations


Optics Letters, Vol. 35, Issue 14, pp. 2388-2390 (2010)
http://dx.doi.org/10.1364/OL.35.002388


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Abstract

We report on high-power operation of a widely tunable dual-wavelength Tm:fiber laser in the 2 μm spectral region using volume Bragg gratings and a simple resonator configuration for wavelength selection. The wavelength splitting range is continuously tunable from 1 to 50 nm ( 0.1 3.8 THz ), with > 115 W of diffraction-limited total output power for wavelength separations of < 40 nm . A maximum output power of 118 W was obtained for 279 W of launched pump power at 792 nm , corresponding to a slope efficiency with respect to launched pump power of 45%. The prospects for further improvement in performance are discussed.

© 2010 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 23, 2010
Revised Manuscript: June 16, 2010
Manuscript Accepted: June 17, 2010
Published: July 8, 2010

Citation
Fei Wang, Deyuan Shen, Dianyuan Fan, and Qisheng Lu, "Widely tunable dual-wavelength operation of a high-power Tm:fiber laser using volume Bragg gratings," Opt. Lett. 35, 2388-2390 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-14-2388

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