Affiliation:
1. Shenzhen University
2. Peng Cheng Laboratory
3. Chinese Academy of Sciences
4. Wenzhou University
5. Meishan Boya Advanced Materials Co., Ltd.
Abstract
A Nd:YAG single-crystal fiber amplifier for the amplification of
continuous-wave single-frequency laser end-pumped by a laser diode
(LD) is investigated. With a two-stage amplification configuration, an
output power of 60.4 W under the total incident pump power of 200 W is
achieved, which is, to our knowledge, the highest power from a
continuous-wave single-frequency laser achieved with a single-crystal
fiber scheme. The extraction efficiency reaches 41.6% in the second
amplification stage, which is comparable with Innoslab amplifiers. The
beam quality factors M2 at the maximum output power in the
horizontal and vertical direction are measured to be 1.51 and 1.38,
respectively. The long-term power instability for 1 hour is 0.97%.
Funder
Science and Technology Planning Project
of Shenzhen Municipality
Basic and Applied Basic Research
Foundation of Guangdong Province
Chinese Academy of Sciences Pioneer
Hundred Talents Program
National Natural Science Foundation of
China
Subject
Atomic and Molecular Physics, and Optics
Cited by
3 articles.
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