Liang Huang, Weimin Yang, Chengyou Lin, Zhiwei Jiao, Meinong Shi. Design of Polycarbonate/Polymethyl Methacrylate Polymer Multilayer Alternating Films with High Reflectivity in Near-Infrared Region[J]. Laser & Optoelectronics Progress, 2019, 56(4): 041601
- Laser & Optoelectronics Progress
- Vol. 56, Issue 4, 041601 (2019)
Fig. 1. Structural diagram of PC/PMMA multilayer alternating film with high reflectivity in near-infrared region
Fig. 2. Total reflectivity versus S of PC/PMMA multilayer alternating film
Fig. 3. Refractive index of PC/PMMA film versus wavelength
Fig. 4. Reflectance spectrum of PC/PMMA multilayer alternating film in near-infrared region
Fig. 5. Transmission spectrum of PC/PMMA multilayer alternating film in visible region
Fig. 6. Spectral distribution of PC/PMMA multilayer alternating film
Fig. 7. Schematic of experimental device. (a) Micro-nano coextrusion device; (b) laminated flow channel principle; (c) change of microlayer number; (d) change of size in lamination process
Fig. 8. Spectral distributions under different incident angles. (a) 15°; (b) 30°; (c) 45°; (d) 60°; (e) 75°
Fig. 9. Total reflectivity of PC/PMMA film versus incident angle
Fig. 10. Total reflectivity of PC/PMMA film versus thickness
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Table 1. Microlayer thickness of four-periodic PC/PMMA multilayer alternating filmnm
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