Understanding wide field-of-view metalenses

Fan Yang; Mikhail Shalaginov; Sensong An; Hualiang Zhang; Tian Gu; Juejun Hu

doi:10.1117/12.2607381

5 March 2022 Understanding wide field-of-view metalenses

Fan Yang, Mikhail Shalaginov, Sensong An, Hualiang Zhang, Tian Gu, Juejun Hu

Proceedings Volume 12011, High Contrast Metastructures XI; 1201108 (2022) https://doi.org/10.1117/12.2607381
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Wide field-of-view (FOV) functionality is crucial for implementation of advanced optical devices with applications spanning medical imaging, 3-D sensing, projection display, and security surveillance. While conventional wide FOV operation relies upon complicated assembly of multiple lens elements, metasurface optics offer a compelling alternative to realize compact, light-weight, and high-performance wide FOV optical modules. Here we elucidate the physical principles and design guidelines which underlies our recent demonstration of a fisheye metalens with > 170˚ diffraction-limited FOV. An analytical model is discussed, and wide-FOV achromatic metalens designs developed with a combination of direct search optimization and deep learning algorithms is presented.

Conference Presentation

Citation Download Citation

Fan Yang, Mikhail Shalaginov, Sensong An, Hualiang Zhang, Tian Gu, and Juejun Hu "Understanding wide field-of-view metalenses", Proc. SPIE 12011, High Contrast Metastructures XI, 1201108 (5 March 2022); https://doi.org/10.1117/12.2607381

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