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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 9 — Apr. 26, 2010
  • pp: 8937–8941

Spectrum narrowing of high power Tm: fiber laser using a volume Bragg grating

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


Optics Express, Vol. 18, Issue 9, pp. 8937-8941 (2010)
http://dx.doi.org/10.1364/OE.18.008937


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Abstract

Efficient operation of a cladding pumped high power Tm: fiber laser with a volume Bragg grating (VBG) as wavelength selective and spectrally narrowing element is reported. The laser yielded over 112 W of diffraction limited output at 1988 nm with a spectral linewidth of ~12 pm for 279 W of launched pump power, corresponding to a slope efficiency with respect to launched pump power of 43.4%. No discernable difference was observed in terms of output power and slope efficiency when using a broadband highly reflective mirror in place of the VBG.

© 2010 OSA

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(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

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 14, 2010
Revised Manuscript: February 17, 2010
Manuscript Accepted: February 17, 2010
Published: April 14, 2010

Citation
Fei Wang, Deyuan Shen, Dianyuan Fan, and Qisheng Lu, "Spectrum narrowing of high power Tm: fiber laser using a volume Bragg grating," Opt. Express 18, 8937-8941 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-9-8937


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References

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