227-W output all-fiberized Tm-doped fiber laser at 1908 nm

doi:10.1088/1674-1056/23/10/104206

Abstract In this paper, we report that a diode-pumped thulium-doped double clad silica fiber laser can provide powers of up to 227 W at 1908 nm, corresponding to a slope efficiency of 54.3%, and an optical-to-optical efficiency of 51.2%. The output power, to the best of our knowledge, is the highest output at 1908 nm. The beam quality M² factor is about 1.56. Also discussed in this paper is the dependence of the laser performance on fiber length.

Keywords: thulium-doped fiber laser rate equations 1908 nm

Received: 12 February 2014
Revised: 10 March 2014
Accepted manuscript online:

PACS:	42.55.Ah	(General laser theory)
	42.55.Wd	(Fiber lasers)
	42.60.Mi	(Dynamical laser instabilities; noisy laser behavior)

Corresponding Authors: Gong Ma-Li
E-mail: gongml@mail.tsinghua.edu.cn

About author: 42.55.Ah; 42.55.Wd; 42.60.Mi

Cite this article:

Hu Zhen-Yue (胡震岳), Yan Ping (闫平), Xiao Qi-Rong (肖起榕), Liu Qiang (柳强), Gong Ma-Li (巩马理) 227-W output all-fiberized Tm-doped fiber laser at 1908 nm 2014 Chin. Phys. B 23 104206


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227-W output all-fiberized Tm-doped fiber laser at 1908 nm

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