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

doi:10.1117/12.2643597

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

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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Citation Download Citation

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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