Compact transmission imaging spectrometer based on metasurface

Shan Du; Jun Chang; Yue Zhong; Xuehui Zhao; Quanquan Mu

doi:10.1117/12.2602747

9 October 2021 Compact transmission imaging spectrometer based on metasurface

Shan Du, Jun Chang, Yue Zhong, Xuehui Zhao, Quanquan Mu

Proceedings Volume 11895, Optical Design and Testing XI; 1189509 (2021) https://doi.org/10.1117/12.2602747
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Abstract

Miniaturization and compactness are the development direction of imaging spectrometer. More and more imaging spectrometers cannot be miniaturized because of traditional optical components. Thus, the optical design space that can highly benefit from the developments in transmission imaging spectrometer based on the metasurface. In this manuscript, we introduce the concept of transmission imaging spectrometer based on metasurface. The spectrometer has a high resolution from 700-800nm spectrum. The key element of the spectrometer is composed of dielectric metasurface, which is used to divide the incident light-spectrum. Meanwhile, the energy of the ultrasurface diffraction order is higher than that of the dispersion order of the traditional grating. The transmission metasystem design can be applied to many optical systems, interferometers, hyperspectral imagers, and computational optical systems, significantly reducing their sizes and increasing their mechanical robustness and potential for integration.

Citation Download Citation

Shan Du, Jun Chang, Yue Zhong, Xuehui Zhao, and Quanquan Mu "Compact transmission imaging spectrometer based on metasurface", Proc. SPIE 11895, Optical Design and Testing XI, 1189509 (9 October 2021); https://doi.org/10.1117/12.2602747

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