High Power Laser Science and Engineering, Volume. 4, Issue 1, 01000e10(2016)
Hundred-Joule-level, nanosecond-pulse Nd:glass laser system with high spatiotemporal beam quality
Fig. 1. The 3D drawings of the main part of the 100-J-level laser system.
Fig. 2. Photograph of the 100-J-level laser system.
Fig. 3. The overall schematic of the 100-J-level laser system. The blue two-direction arrow real lines refer to the relay image plane. P1–P7, polarizer; FR1–FR3, Faraday rotator; HWP, half-wave plate; CSF, cavity spatial filter in the main amplifier system; TSF, transport spatial filter; THG, third-harmonic generator;
Fig. 4. Schematic of the front-end system. The four main sections are the CW oscillator, the AWG, the Yb-doped fiber amplifiers (YDFA) and the polarize controller. IM, intensity modulator; PM, phase modulator; AOM, acousto-optic modulator used for chopping and isolating.
Fig. 5. Schematic of the preamplifier.
Fig. 6. The energy stability of the preamplifier.
Fig. 7. Schematic of the beam shaper of the laser system.
Fig. 8. Two-pass 20-mm-diameter rod amplifier.
Fig. 9. Photographs of the rod amplifiers.
Fig. 10. Main amplifier gain data of optical output versus optical input energies.
Fig. 11. The frequency converter system layout. CS1–CS4, spectral mirrors with special coating layer.
Fig. 12. Conversion efficiency to third harmonic. The data are for a 5 ns input 1
Fig. 13. The output energy stability in six shots.
Fig. 14. The
Fig. 15. The
Fig. 16. The
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Sensen Li, Yulei Wang, Zhiwei Lu, Lei Ding, Yi Chen, Pengyuan Du, Dexin Ba, Zhenxing Zheng, Xin Wang, Hang Yuan, Chengyu Zhu, Weiming He, Dianyang Lin, Yongkang Dong, Dengwang Zhou, Zhenxu Bai, Zhaohong Liu, Can Cui. Hundred-Joule-level, nanosecond-pulse Nd:glass laser system with high spatiotemporal beam quality[J]. High Power Laser Science and Engineering, 2016, 4(1): 01000e10
Received: Oct. 19, 2015
Accepted: Dec. 9, 2015
Published Online: Oct. 25, 2016
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