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Title: High-power passively Q-switched thulium fiber laser with distributed stimulated Brillouin scattering
Authors: Tang, Yulong
Li, Xiaohui
Wang, Qi Jie
Keywords: Electrical and Electronic Engineering
Issue Date: 2013
Source: Tang, Y., Li, X., & Wang, Q. J. (2013). High-power passively Q-switched thulium fiber laser with distributed stimulated Brillouin scattering. Optics Letters, 38(24), 5474-5477.
Series/Report no.: Optics letters
Abstract: We report a novel passively Q-switched 2 μm Tm3+ fiber laser simply by distributed stimulated Brillouin scattering with an all-fiber configuration. The maximum output power is 2.49 W with an optical-to-optical slope efficiency of 12%, and the laser wavelength is centered at ∼1991  nm with a spectral width of >10  nm. The single pulse energy can be over 50 μJ with a pulse width of about 20 ns, and the pulse repetition rate can be tuned from several kilohertz to tens of kilohertz by changing the pump power. To the best of our knowledge, this is the highest-average-power passively Q-switched 2 μm Tm3+ fiber laser in the nanosecond regime.
DOI: 10.1364/OL.38.005474
Rights: © 2013 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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