Chinese Optics Letters, 2019, 17 (8): 081404, Published Online: Jul. 17, 2019
1 kHz nanosecond-pulsed room temperature Fe:ZnSe laser gain-switched by a ZnGeP2 optical parametric oscillator
Abstract
We demonstrate a Fe:ZnSe laser gain-switched by a ZnGeP2 optical parametric oscillator (OPO) under the pulse repetition frequency of 1 kHz at room temperature. The 2.9 μm signal light of the OPO is employed as the pump for the Fe:ZnSe laser. The maximum output power of the Fe:ZnSe laser is 58 mW with the pulse duration of 2.7 ns under the incident pump power of 280 mW, corresponding to a peak pulse power of 21.5 kW and an optical-to-optical efficiency of 20.7%. The spectrum of the Fe:ZnSe laser has a range of 4030.2–4593.6 nm with a dip at 4187.1–4340.4 nm due to the absorption of CO2.
Yingyi Li, Ke Yang, Gaoyou Liu, Baoquan Yao, Youlun Ju. 1 kHz nanosecond-pulsed room temperature Fe:ZnSe laser gain-switched by a ZnGeP2 optical parametric oscillator[J]. Chinese Optics Letters, 2019, 17(8): 081404.