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Proceedings Paper

Watt-level passively Q-switched mode-locked Tm,Ho:LLF laser at 1882 nm
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Paper Abstract

Employing double wall carbon nanotube (DWCNT) grown by vertical growth method as saturable absorbe(SA)r, and we realize a watt-level Q-switched mode-locking operation in an all-solid-state Tm,Ho:LiLuF4 (Tm,Ho:LLF) laser with high power. When the pump power is greater than 7.76 W, the laser operation enters a stable Q-switched mode-locking state. When the pump power is increased to 20 W, the maximum output power is 1480 mW under 9% output coupled mirror. In this case, the central wavelength is 1882 nm and the repetition frequency is 55.55MHz, corresponding a maximum single pulse energy of 2.88 nJ, and modulation depth in Q-switching envelopes is close to 100%.

Paper Details

Date Published: 12 March 2020
PDF: 7 pages
Proc. SPIE 11437, 2019 International Conference on Optical Instruments and Technology: Advanced Laser Technology and Applications, 114370S (12 March 2020); doi: 10.1117/12.2550209
Show Author Affiliations
Chen Chen, Tianshui Normal Univ. (China)
Baoji Univ. of Arts and Science (China)
Rui Sun, Tianshui Normal Univ. (China)
Baoji Univ. of Arts and Science (China)
Weijun Ling, Tianshui Normal Univ. (China)
Zhong Dong, Tianshui Normal Univ. (China)


Published in SPIE Proceedings Vol. 11437:
2019 International Conference on Optical Instruments and Technology: Advanced Laser Technology and Applications
Zhiyi Wei; Chunqing Gao; Pu Wang; Franz X, Kärtner; Stefan A. Weber, Editor(s)

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