Gao Zhihong, Zhang Wenxi, Guo Xiaoli, Zhao Yashuai, Wu Zhou, Yan Boxia, Qi Yan, Feng Qibo. Single-Frequency Green Laser Based on Birefringent Filter Comprising a Wedge Nd∶YVO4/KTP[J]. Chinese Journal of Lasers, 2020, 47(3): 301011
- Chinese Journal of Lasers
- Vol. 47, Issue 3, 301011 (2020)
Fig. 1. Schematic of 532 nm laser
Fig. 2. Schematic of π light and σ light paths in V-type oscillator
Fig. 3. Transmittance curves of birefringence filter. (a) Transmittance versus θ2; (b) transmittance versus λ
Fig. 4. Output spectra of fundamental modes in resonator without KTP under different pump power
Fig. 5. Electing-frequency characteristics of birefringence filter with different lengths of KTP
Fig. 6. Output spectrum of SLM operation measured by Fabry-Perot scanning interferometer
Fig. 7. SLM output power versus pump power
Fig. 8. Temperature characteristic ofsingle-frequency operation
Fig. 9. Influence of temperature change ΔT on transmittance of birefringent filter with a 5-mm-long KTP
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