Experimental investigation of high power all-fiber amplifier with a closed fiber laser cavity

Jianming Wang; Jianming Wang; Cheng Li; Dapeng Yan

2017 Conference on Lasers and Electro-Optics Pacific Rim
(Optica Publishing Group, 2017),
paper s2263

Experimental investigation of high power all-fiber amplifier with a closed fiber laser cavity

Jianming Wang, Cheng Li, and Dapeng Yan

Conference on Lasers and Electro-Optics/Pacific Rim 2017

Singapore Singapore
31 July–4 August 2017
ISBN: 978-1-5090-6290-4

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Poster Session I (PSI)

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J. Wang, C. Li, and D. Yan, "Experimental investigation of high power all-fiber amplifier with a closed fiber laser cavity," in 2017 Conference on Lasers and Electro-Optics Pacific Rim, (Optica Publishing Group, 2017), paper s2263.

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Abstract

We demonstrated a high power all-fiber amplifier scheme with a closed fiber laser cavity experimentally. The characteristics of the signal light with 1100 nm are analyzed and discussed. 2.06 kW signal power with near diffraction-limited beam quality (M² = 1.14) is obtained from the all-fiber amplifier, and the slope efficiency is about 71.5%.

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