Jisi Qiu, Xiongxin Tang, Zhongwei Fan, Haocheng Wang. Super-Gaussian, flat-top, distributed laser output with high-quality beam shaping by digital micro-mirror device in high-energy laser system[J]. Chinese Optics Letters, 2015, 13(Suppl.): S21410
- Chinese Optics Letters
- Vol. 13, Issue Suppl., S21410 (2015)
Fig. 1. Flow chart for the threshold value calculation.
Fig. 2. Error diffusion process.
Fig. 3. Flow chart of the error diffusion process.
Fig. 4. Schematic diagram of experimental setup.
Fig. 5. Schematic diagram of the beam caliber in the digital micro-mirror device.
Fig. 6. Schematic diagram of the definition of the beam softening factor.
Fig. 7. Primary shaping aperture written in the digital micro-mirror device and partially enlarged drawing.
Fig. 8. (a) Two-dimensional distribution of the output spot. (b) Three-dimensional distribution of the output spot. (c) One-dimensional distribution of the pixel y = 320
Fig. 9. Secondary shaping aperture written in the digital micro-mirror device.
Fig. 10. (a) Two-dimensional distribution of the output spot. (b) Three-dimensional distribution of the output spot. (c) One-dimensional distribution of the pixel y = 320
Fig. 11. Near-field modulation degree distribution of 20 output beams.
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