Laser & Optoelectronics Progress, Volume. 60, Issue 13, 1314001(2023)
Self-Frequency Doubling Yellow Laser with Low Thermal Effect and High Beam Quality
Fig. 1. Schematic diagram of Yb3+-ion electron energy level transition
Fig. 2. Yb∶YCOB crystal transmittance spectrum
Fig. 3. Mode matching efficiency versus input power under different pump modes
Fig. 4. Experimental device of 1020 nm pumped Yb∶YCOB crystal yellow laser self-frequency doubling laser
Fig. 5. Experimental device of 976 nm pumped Yb∶YCOB crystal yellow laser self-frequency doubling laser
Fig. 6. CCD detection of yellow laser spot map emitted from 1020 nm laser pumped Yb∶YCOB self-frequency doubling crystal. (a) Spot shape; (b) spot distribution
Fig. 7. CCD detection of yellow laser spot map emitted from 976 nm laser pumped Yb∶YCOB self-frequency doubling crystal. (a) Spot shape when input power is same as 976 nm LD pump; (b) spot distribution when input power is same as 976 nm LD pump; (c) spot shape when output power is same as 976 nm LD pump; (d) spot distribution when output power is same as 976 nm LD pump
Fig. 8. Yellow laser spectrum of Yb∶YCOB self-frequency doubling crystal pumped by 1020 nm laser
Fig. 9. Yellow laser spectrum of Yb∶YCOB self-frequency doubling crystal pumped by 976 nm LD
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Aoyang Wang, Xiangsheng Yu, Guang Yuan. Self-Frequency Doubling Yellow Laser with Low Thermal Effect and High Beam Quality[J]. Laser & Optoelectronics Progress, 2023, 60(13): 1314001
Category: Lasers and Laser Optics
Received: Dec. 14, 2022
Accepted: Feb. 27, 2023
Published Online: Jul. 14, 2023
The Author Email: Wang Aoyang (way2021@stu.ouc.edu.cn), Yu Xiangsheng (xsyu@lasence.com), Yuan Guang (yuanguang@ouc.edu.cn)