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28 December 2022 Gain- and Q-switched operation of Er:Y2O3 ceramic laser at 1640 nm
Hangbin Xie, Weiwei Huang, Linglin Shen, Jianing Zhang, Fei Wang, Deyuan Shen, Jun Wang, Dingyuan Tang
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Proceedings Volume 12310, Advanced Lasers, High-Power Lasers, and Applications XIII; 123100P (2022) https://doi.org/10.1117/12.2643597
Event: SPIE/COS Photonics Asia, 2022, Online Only
Abstract
We report on gain- and Q-switched operation of Er:Y2O3 ceramic laser at 1640 nm using in-house fabricated lowscattering-loss, 0.25-at.% Er3+ -doped ceramic sample. Stable gain-switched operation in pulse repetition frequencies(PRFs) of 5-50 kHz has been demonstrated using an acousto-optic modulator switched 1535 nm fiber pump source, resulting in a peak power of 16 times higher than that for CW operation. Q-switched operation in 0.5-10 kHz repetition rate has been demonstrated with AO switcher, generating stable pulses of 94 ns duration and 0.5 mJ energy at 0.5 kHz for 5.7 W of absorbed pump power, corresponding to a peak power of 5.2 kW.
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Hangbin Xie, Weiwei Huang, Linglin Shen, Jianing Zhang, Fei Wang, Deyuan Shen, Jun Wang, and Dingyuan Tang "Gain- and Q-switched operation of Er:Y2O3 ceramic laser at 1640 nm", Proc. SPIE 12310, Advanced Lasers, High-Power Lasers, and Applications XIII, 123100P (28 December 2022); https://doi.org/10.1117/12.2643597
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KEYWORDS
Ceramics
Pulsed laser operation
Q switched lasers
Erbium
Continuous wave operation
Laser applications
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