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8 July 2022 The temperature control polarization converter to switch transmission and reflection modes simply
Qi Yuan III, Zhibiao Zhu, Lixin Jiang, Zhe Qin, He Wang, Yang Cheng, Yongfeng Li
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Proceedings Volume 12283, 2021 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices; 1228307 (2022) https://doi.org/10.1117/12.2616072
Event: 2021 International Conference on Optical Instruments and Technology, 2022, Online Only
Abstract
The switchable channel polarization conversion device is of wide use in microwave, infrared and optical regimes, while it still faces the difficulty to realize the controllable and stable performance. Here, we proposed a VO2 based metastructure method to realize the polarization conversion performance. Owing to the inherent property of VO2, 68℃ is a nature switching point, which endows the proposed converter with the characteristic of high temperature reflection and low temperature transmission. To proof our design paradigm, the linear polarization (LP) converter with 68℃ as the critical point is designed, which achieves the strong polarization conversion at the transmissive part for low temperature from 2.5THz to 3.0THz and reflective part for high temperature from 2.0THz to 2.5THz. Significantly, this simple manipulation method will have wide application in other bi-direction function design.
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Qi Yuan III, Zhibiao Zhu, Lixin Jiang, Zhe Qin, He Wang, Yang Cheng, and Yongfeng Li "The temperature control polarization converter to switch transmission and reflection modes simply", Proc. SPIE 12283, 2021 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 1228307 (8 July 2022); https://doi.org/10.1117/12.2616072
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KEYWORDS
Dielectric polarization
Reflectivity
Dielectrics
Polarization control
Microwave radiation
Switching
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