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Proceedings Paper

Highly polarized Yb-doped fiber laser based on a polarization-maintaining fiber Sagnac loop mirror and its power amplification
Author(s): L. Zhang; J. H. Wang; X. J. Gu; Y. Feng
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Paper Abstract

A novel fiber laser configuration based on a polarization-maintaining fiber Sagnac loop mirror is proposed for generating linearly polarized light. The polarization-dependent reflectivity of the loop mirror provides the necessary polarization discrimination between the slow and fast axes. A robust linearly polarized all-fiber laser oscillator is demonstrated with a polarization extinction ratio better than 27 dB. After an integrated fiber amplifier, a 14.6 W narrow linewidth single-mode fiber laser at 1070 nm is obtained with an optical efficiency of 68% and a polarization extinction ratio of 22.4 dB.

Paper Details

Date Published: 5 December 2011
PDF: 8 pages
Proc. SPIE 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 81980M (5 December 2011); doi: 10.1117/12.904460
Show Author Affiliations
L. Zhang, Shanghai Institute of Optics and Fine Mechanics (China)
Graduate Univ. of the Chinese Academy of Sciences (China)
J. H. Wang, Shanghai Institute of Optics and Fine Mechanics (China)
National Univ. of Defense Technology (China)
X. J. Gu, Ryerson Univ. (Canada)
Y. Feng, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 8198:
2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration

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