Yu YUN, Chunxia WU, Minglei ZHANG, Yuejian CHEN. Research of 532 nm/1 064 nm dual-band high reflective coatings applied in space-based lidar[J]. Infrared and Laser Engineering, 2025, 54(5): 20240411
- Infrared and Laser Engineering
- Vol. 54, Issue 5, 20240411 (2025)
Fig. 1. Design spectrum at 0° incidence
Fig. 2. Simulation of electric field distribution under laser irradiation at (a) 532 nm and (b) 1064 nm at 0° incidence
Fig. 3. Schematic diagram of the film layer
Fig. 4. Spectra in vacuum and atmosphere. (a) EB multilayer film before ALD-Al2O3 coverage; (b) EB multilayer film after ALD-Al2O3 coverage
Fig. 5. Damage threshold at 532 nm laser: (a) EB multilayer film before ALD-Al2O3 coverage; (b) EB multilayer film after ALD-Al2O3 coverage. And damage threshold at 1 064 nm laser: (c) EB multilayer film before ALD-Al2O3 coverage; (d) EB multilayer film after ALD-Al2O3 coverage
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Table 1. Spectral drift in vacuum and atmosphere
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Table 2. Damage threshold in vacuum
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