Chinese Optics Letters, Volume. 18, Issue 3, 031401(2020)
Laser diode pumped high-energy single-frequency Er:YAG laser with hundreds of nanoseconds pulse duration Editors' Pick
Figures & Tables(9)
Fig. 1. Maximum upper-state density versus different pump wavelengths.
Fig. 2. Schematic diagram of laser setup. PD, photo detector; PBS, polarization beam splitter; HWP, half-wave plate; ISO, isolator; LD, laser diode; AOM, acousto-optic modulator; PZT, piezoelectric ceramic transducer.
Fig. 3.
Fig. 4. Characteristics of single-frequency pulse energy and width versus pump power.
Fig. 5. Build-up time with and without seed injection at a PRF of 200 Hz.
Fig. 6. Heterodyne detection result and FFT result at the highest output energy.
Table 1. Definition of the Parameters
View tableView in ArticleTable 1. Definition of the Parameters
Item Definition Inversion density Pump transition upper-state Boltzmann factor Pump transition lower-state Boltzmann factor Upper-state population density Lower-state population density Total dopant concentration Normalized upper-state density
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Shanghua Li, Qing Wang, Rui Song, Fangfang Hou, Mingwei Gao, Chunqing Gao, "Laser diode pumped high-energy single-frequency Er:YAG laser with hundreds of nanoseconds pulse duration," Chin. Opt. Lett. 18, 031401 (2020)
Paper Information
Category: Lasers and Laser Optics
Received: Oct. 27, 2019
Accepted: Nov. 22, 2019
Published Online: Feb. 19, 2020
The Author Email: Qing Wang (qingwang@bit.edu.cn)
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