High Power Laser Science and Engineering, 2020, 8 (4): 04000e39, Published Online: Nov. 23, 2020
Single-frequency and free-running operation of a single-pass pulsed Ho:YLF amplifier Download: 716次
Abstract
A single-frequency pulsed holmium-doped yttrium lithium fluoride (Ho:YLF) amplifier pumped by a Tm-doped fiber laser was demonstrated. The seed was an injection-seeded Q-switched Ho:YLF laser. The output energy from the single-frequency pulsed amplifier was 24.2 mJ, with a pulse width of 250 ns at a pulse repetition frequency (PRF) of 100 Hz. The energy stability during 30 min was improved to 1% after the single-frequency pulsed Ho:YLF laser was amplified. The line width of the single-frequency pulsed spectrum of the Ho:YLF amplifier was 2.81 MHz. The single-frequency pulsed Ho:YLF amplifier can be applied to differential absorption lidar (DIAL), since its output spectrum is around the P12 CO2 absorption line.
Yunpeng Wang, Youlun Ju, Tongyu Dai, Dong Yan, Baoquan Yao. Single-frequency and free-running operation of a single-pass pulsed Ho:YLF amplifier[J]. High Power Laser Science and Engineering, 2020, 8(4): 04000e39.