Shuzhen Cui, Lei Zhang, Huawei Jiang, Yan Feng. 33 W continuous-wave single-frequency green laser by frequency doubling of a single-mode YDFA[J]. Chinese Optics Letters, 2017, 15(4): 041402
- Chinese Optics Letters
- Vol. 15, Issue 4, 041402 (2017)
Fig. 1. Schematic diagram of the frequency doubled CW single-frequency YDF MOPA.
Fig. 2. 1064 nm output power and backward light power of the main amplifier as a function of the pump power.
Fig. 3. Output spectra of the 1064 nm fundamental laser at different output powers: (a) wide spectra, (b) fine spectra.
Fig. 4. Spectra of the backward light from the 1064 nm main amplifier at different output powers: (a) wide spectra, (b) fine spectra.
Fig. 5. Dependence of the second-harmonic output power and the conversion efficiency on the pump power. A numerical fitting is also given.
Fig. 6. Linewidth measured with an FPI: (a) 1064 nm laser, (b) 532 nm laser.
Fig. 7. Far-field beam profile of the 532 nm laser.
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