Ziyang Li, Huasong Liu, Peng Sun, Xiao Yang, Jinlin Bai, Ying Xu, Shiqi Yang, Yiqin Ji, Jianzhong Su. Design and preparation of laser/long-wave infrared dual-band antireflection thin-film[J]. Infrared and Laser Engineering, 2022, 51(3): 20210944
- Infrared and Laser Engineering
- Vol. 51, Issue 3, 20210944 (2022)
Fig. 1. Spectrum of BaF2 substrate at 1064 nm: (a) Reflectance test curve and (b) transmittance test curve; Spectrum of BaF2 substrate at 8-12 μm: (c) Reflectance test curve and (d) transmittance test curve
Fig. 2. (a) Curve of admittance of thin-film system with wavelength and (b) curve of reflectance of thin-film system with wavelength when λ 0=2 000 nm and N =8
Fig. 3. (a) Curve of admittance of thin-film system with wavelength and (b) Curve of reflectance of thin-film system with wavelength when λ 0=1259 nm and N =8
Fig. 4. Spectrum at 1064 nm: (a) Reflectance theoretical curve and (b) transmittance theoretical curve; Spectrum at 8-12 μm: (c) Reflectance theoretical curve and (d) transmittance theoretical curve
Fig. 5. Compared spectrum at 1064 nm: (a) Reflectance test curve and (b) transmittance test curve; Compared spectrum at 8-12 μm: (c) Reflectance test curve and (d) transmittance test curve
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Table 1. Technical requirements of the laser/long-wave infrared dual-band antireflection thin-film
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Table 2. Film deposition process parameters
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