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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 6 — Mar. 24, 2014
  • pp: 7154–7159

Widely tunable, narrow bandwidth polycrystalline ceramic Er:YAG laser with a volume Bragg grating

Xiaoqi Zhang, Deyuan Shen, Haitao Huang, Jun Liu, Xuan Liu, Jianing Zhang, Jian Zhang, Dingyuan Tang, and Dianyuan Fan  »View Author Affiliations


Optics Express, Vol. 22, Issue 6, pp. 7154-7159 (2014)
http://dx.doi.org/10.1364/OE.22.007154


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Abstract

We report on a tunable polycrystalline ceramic Er:YAG laser with a total tuning range of 23.1 nm by using a volume Bragg grating. The whole tuning range was composed of three parts, 1614.2 nm - 1621.5 nm, 1629.3 nm - 1635.1 nm and 1639.2 nm - 1649.2 nm. The bandwidth of the output spectrum (FWHM) of the tunable Er:YAG laser was narrowed down to <0.05 nm over the whole tuning range. To our knowledge, this is the widest tuning range so far in this material and it is the first time to report an Er:YAG laser operating at around 1630 nm. In the tuning range of 1629.3 nm- 1635.1 nm, the maximum output power of 1.4 W was obtained at 1633.0 nm with a slope efficiency of 20.9% with respect to the incident power.

© 2014 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3600) Lasers and laser optics : Lasers, tunable

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 3, 2014
Revised Manuscript: February 28, 2014
Manuscript Accepted: February 28, 2014
Published: March 19, 2014

Citation
Xiaoqi Zhang, Deyuan Shen, Haitao Huang, Jun Liu, Xuan Liu, Jianing Zhang, Jian Zhang, Dingyuan Tang, and Dianyuan Fan, "Widely tunable, narrow bandwidth polycrystalline ceramic Er:YAG laser with a volume Bragg grating," Opt. Express 22, 7154-7159 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-6-7154


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