Diode-end-pumped solid state ZnWO4 Raman laser at 2254 nm

A diode-end-pumped actively Q-switch intracavity Raman laser with a Tm:YLF laser gain medium and a ZnWO4 Raman gain crystal is demonstrated for the first time. Under the pump power of 30 W at 793 nm, the average output power of 184 mW at first Stokes wavelength of 2254 nm was obtained at a pulse rep...

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Bibliographic Details
Published in:Laser physics 2020-01, Vol.30 (1)
Main Authors: Ren, Xikui, Xie, Jian, Ruan, Shuagnchen, Wang, Xin, Pei, Jihong, Yu, Li, Yu, Haohai, Zhang, Huaijin, Lv, Qitao, Guo, Li, Cao, Hongtao, Xie, Shengjun, Gao, Yunfeng, He, Bolin, Du, Chenlin
Format: Article
Language:English
Subjects:
Raman laser
solid laser
Tm:YLF
ZnWO
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Summary:A diode-end-pumped actively Q-switch intracavity Raman laser with a Tm:YLF laser gain medium and a ZnWO4 Raman gain crystal is demonstrated for the first time. Under the pump power of 30 W at 793 nm, the average output power of 184 mW at first Stokes wavelength of 2254 nm was obtained at a pulse repetition of 2.5 kHz. The corresponding pulse width and output peak power are 5.8 ns and 12.79 kW, respectively. Near-diffraction limited beam quality was observed (M2     1.46).
ISSN:1054-660X
1555-6611
DOI:10.1088/1555-6611/ab4f67