All-fiberized Tm-doped fiber MOPA with 30-W output power
Chinese Optics Letters, Vol. 10, Issue 5, pp. 051403- (2012)
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Abstract
We demonstrate a 30-W all-fiberized laser in a master oscillator power amplifier (MOPA) structure with a central wavelength of 1 950 nm. The laser is a continuous-wave (CW) operation with double-clad Tm-doped silica fiber pumped by pigtailed laser diodes with a central wavelength of 793 nm. The optical-to-optical efficiency of the MOPA system is 37.5% with respect to the total 80-W pump power. The maximal slope efficiency of the system is approximately 43%, which belongs to the main amplifier and exceeds the Stoke limit. No obvious amplified spontaneous emitting (ASE) is observed in the experiment, and the power can be scaled straightforwardly by improving the pump power.
© 2012 Chinese Optics Letters
OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4480) Lasers and laser optics : Optical amplifiers
ToC Category:
Lasers and Laser Optics
Citation
Haibin Lv, Pu Zhou, Hu Xiao, Xiaolin Wang, and Zongfu Jiang, "All-fiberized Tm-doped fiber MOPA with 30-W output power," Chin. Opt. Lett. 10, 051403- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-5-051403
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