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
- Laser & Optoelectronics Progress
- Vol. 59, Issue 1, 0114001 (2022)
Fig. 1. Phase matching in the four-wave mixing process of anti-first-order Stokes light
Fig. 2. Angle matching relationship of high-order anti-Stokes light
Fig. 3. Experimental structure diagram of synchronously pumped KGW Raman laser
Fig. 4. Synchronous pump judging device. (a) Test setup for synchronously pump; (b) pulse signal in nonsynchronous situation
Fig. 5. Spot size diagram under the flat-flat cavity structure
Fig. 6. Spot size diagram under plano-convex cavity structure
Fig. 7. Spot size diagram under concave-convex cavity structure
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
Fig. 10. Plano-convex cavity shape and stable area diagram
Fig. 11. Concave-convex cavity shape and stable area diagram
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Table 1. Scattering angle of anti-Stokes light in the crystal
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Table 2. Thresholds of Raman spectra generated by three cavity structures under same pump conditions
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