Xiaolong Ni, Xufang Zhu, Xin Yu, Haifeng Yao, Chunyi Chen, Zhi Liu. Laser beam coherence and divergence angle complex controlling technique[J]. High Power Laser and Particle Beams, 2020, 32(7): 071008
- High Power Laser and Particle Beams
- Vol. 32, Issue 7, 071008 (2020)
Fig. 1. Complex phase map
Fig. 2. Experimental setup for testing the coherence width
Fig. 3. Interference fringes
Fig. 4. Coherence widths measured in experiment
Fig. 5. Schematic of beam divergence angle measurement
Fig. 6. Diagram of measurement spot
Fig. 7. The divergence angle measured in experiment
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Table 1. Selection table of double pinhole
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