Yaqi Wang, Xiaolei Zhu, Tingting Lu, Jian Ma, Haoda Ma, Junxuan Zhang. Frequency‑Doubling Blue Laser Technology with Singly‑Resonant Optical Parametric Oscillator Pumped by 532 nm Laser[J]. Chinese Journal of Lasers, 2023, 50(22): 2201007
- Chinese Journal of Lasers
- Vol. 50, Issue 22, 2201007 (2023)
Fig. 1. Working principle diagrams of OPOs with different structures. (a) SRO; (b) DRO
Fig. 2. Experimental setup for extracavity frequency-doubling blue laser output based on OPO pumped by 532 nm
Fig. 3. Stability measurement of pump laser output energy
Fig. 4. Stability measurement of pump laser pulse sequence
Fig. 5. OPO signal light energy and conversion efficiency versus pump light energy with 972 nm spectrum shown in inset
Fig. 6. Stability measurement of 972 nm output energy
Fig. 7. 972 nm pulse waveform with 972 nm near-field spot shown in inset
Fig. 8. Measurement results of beam quality at 972 nm
Fig. 9. Second-harmonic energy and conversion efficiency versus fundamental energy with 486 nm spectrum shown in inset
Fig. 10. 486 nm pulse waveform with near-field spot shown in inset
Fig. 11. Measurement results of beam quality at 486 nm
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