Laser & Optoelectronics Progress, Volume. 61, Issue 23, 2313001(2024)
Research on Liquid Crystal-Integrated Metasurface Beam Deflector
Figures & Tables(6)
Fig. 1. Structure of LC integrated programmable metasurface. (a) Schematic diagram of the metasurface element structure; (b) top view of the metasurface array
Fig. 2. Simulated results of transmission and phase for plane-wave passing through the unit cell. (a) Transmittance; (b) phase; (c) variation in transmittance with wavelength at different radii
Fig. 3. Simulated results of metasurface unit cell with different LC molecule orientation angles. (a) Transmittance; (b) phase; (c) variation in transmittance and phase with LC molecule orientation angle at Huygens resonance wavelength of 1334 nm; (d) variation in phase with LC molecule orientation angle
Fig. 4. Far-field simulation of periodic programmable metasurface arrays. (a) Normalized intensity distribution (where the dotted line is theoretical value); (b) 2D far-field image; (c) variation in deflection efficiency with deflection angles
Fig. 5. Far-field normalized intensity distribution of arbitrarily programmable metasurface arrays. (a) +1 order deflection; (b) -1 order deflection
Table 1. Different coding sequences corresponding to deflection angles
View tableTable 1. Different coding sequences corresponding to deflection angles
Deflection angle /（°） Coding sequence 2 0 0 1 1 1 1 2 2 2 2 0 0 0 0 1 1 1 1 2 2 2 2 0 0 0 0 1 1 1 1 2 2 4 0 1 1 2 2 0 0 1 1 2 2 0 0 1 1 2 2 0 0 1 1 2 2 0 0 1 1 2 2 0 0 1 6 1 1 2 0 1 1 2 0 1 1 2 0 1 1 2 0 0 1 2 0 0 1 2 0 0 1 2 0 0 1 2 2 8 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2 0 0 1 2 0 1 2 0 1 2 0 1 10 1 2 1 2 0 1 0 1 2 0 1 0 1 2 0 1 0 1 2 0 2 0 1 2 0 2 0 1 2 1 2 0
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Mengzhu Shan, Yige Du, Ruohui Chen, Shaonan Zheng, Yang Qiu, Xingyan Zhao, Yuan Dong, Qize Zhong, Ting Hu. Research on Liquid Crystal-Integrated Metasurface Beam Deflector[J]. Laser & Optoelectronics Progress, 2024, 61(23): 2313001
Paper Information
Category: Integrated Optics
Received: Mar. 18, 2024
Accepted: Apr. 3, 2024
Published Online: Nov. 15, 2024
The Author Email: Ting Hu (hu-t@shu.edu.cn)
CSTR:32186.14.LOP240917
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