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11 November 2008 Experimental investigation of double-clad Tm3+-doped silica fiber amplifying at 1.99μm
Tao Jing, Hanbin Wang, Yunjun Zhang
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Proceedings Volume 7134, Passive Components and Fiber-based Devices V; 71342G (2008) https://doi.org/10.1117/12.802505
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China
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.
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Tao Jing, Hanbin Wang, and Yunjun Zhang "Experimental investigation of double-clad Tm3+-doped silica fiber amplifying at 1.99μm", Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 71342G (11 November 2008); https://doi.org/10.1117/12.802505
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KEYWORDS
Fiber lasers
Fiber amplifiers
Pulsed laser operation
Continuous wave operation
Optical fibers
Q switched lasers
Optical amplifiers
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