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Proceedings Paper

Experimental investigation of double-clad Tm3+-doped silica fiber amplifying at 1.99um
Author(s): Tao Jing; Hanbin Wang; Yunjun Zhang
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Paper Abstract

The LD-clad-pumped CW and Q-switched pulse Tm3+-doped silica fiber amplifiers were general experimental investigations. The CW fiber amplifier provided up to 3W output with the slope efficiency nearly 30%, and the Q-switched pulse fiber amplifier output power was 2W with the slope efficiency 32.6%. The gain fiber was 27.5/400μm D-shaped Tm3+-doped silica double-cladding fiber, and the pump sources was a 792nm LD with a 400μm pigtail fiber output. The signal seed sources was a LD-pumped Tm3+:YAP lasing at 1.99μm. By the AO Q-switched method, The Tm3+:YAP laser had a nearly 120ns pulse duration and 1kHz repeat rates. The measured amplified spectrum only stretched a little relative to the input signal spectrum.

Paper Details

Date Published: 11 November 2008
PDF: 6 pages
Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 71342G (11 November 2008); doi: 10.1117/12.802505
Show Author Affiliations
Tao Jing, Quanzhou Normal Univ. (China)
Hanbin Wang, Quanzhou Normal Univ. (China)
Yunjun Zhang, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 7134:
Passive Components and Fiber-based Devices V
Ming-Jun Li; Ping Shum; Ian H. White; Xingkun Wu, Editor(s)

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