Laser & Optoelectronics Progress, Volume. 59, Issue 1, 0114001(2022)
Research on Anti-Stokes Light of Synchronously Pumped KGd(WO4)2
Figures & Tables(13)
Fig. 1. Phase matching in the four-wave mixing process of anti-first-order Stokes light
Fig. 4. Synchronous pump judging device. (a) Test setup for synchronously pump; (b) pulse signal in nonsynchronous situation
Fig. 8. Raman spectroscopy when the pump power is 2.1 W under plano-convex cavity structure
Fig. 9. Raman spectroscopy when the pump power is 3.1 W under plano-convex cavity structure
Table 1. Scattering angle of anti-Stokes light in the crystal
View tableTable 1. Scattering angle of anti-Stokes light in the crystal
Output light First-order anti-Stokes light Second-order anti-Stokes light Third-order anti-Stokes light Scattering angle /（°） 1.08 3.02 4.49
Table 2. Thresholds of Raman spectra generated by three cavity structures under same pump conditions
View tableTable 2. Thresholds of Raman spectra generated by three cavity structures under same pump conditions
Cavity structure Threshold /W First-order Stokes Second-order Stokes Third-order Stokes First-order anti-Stokes Second-order anti-Stokes Third-order anti-Stokes Flat-flat cavity 0.9
0.94×107
1.4
1.46×107
1.7
1.77×107
1.6
1.67×107
Plano-convex cavity 1.7
1.77×107
2.1
2.18×107
2.5
2.60×107
1.8
1.87×107
2.5
2.60×107
3.1
3.23×107
Concave-convex cavity 1.5
1.56×107
1.9
1.98×107
2.4
2.50×107
1.8
1.87×107
2.9
3.02×107
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Yaoyao Xue, Chunlei Wang, Meng Chen. Research on Anti-Stokes Light of Synchronously Pumped KGd(WO4)2[J]. Laser & Optoelectronics Progress, 2022, 59(1): 0114001
Paper Information
Category: Lasers and Laser Optics
Received: Feb. 18, 2021
Accepted: Apr. 12, 2021
Published Online: Dec. 23, 2021
The Author Email: Meng Chen (picolaser_chen@163.com)
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