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3 October 2022 Tunable one-step nanoimprinted RGB-achromatic bifocal metalens (Conference Presentation)
Trevon Badloe, Sunae So, Joohoon Kim, Younghwan Yang, Jaekyung Kim, Yeseul Kim, Junsuk Rho
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Proceedings Volume PC12195, Metamaterials, Metadevices, and Metasystems 2022; PC121951M (2022) https://doi.org/10.1117/12.2632895
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States
Abstract
Tunable optical devices powered by metasurfaces provide a new path for functional planar optics. Lenses with tunable focal lengths could play a key role in various fields with applications in imaging, displays, and augmented and virtual reality devices. Here, we present a method for computationally designing an RGB-achromatic bifocal metalens and experimentally realize it through a scalable one-step nanoimprinting technique using a TiO2 nanoparticle embedded resin combined with an electrically tunable liquid crystal cell.
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Trevon Badloe, Sunae So, Joohoon Kim, Younghwan Yang, Jaekyung Kim, Yeseul Kim, and Junsuk Rho "Tunable one-step nanoimprinted RGB-achromatic bifocal metalens (Conference Presentation)", Proc. SPIE PC12195, Metamaterials, Metadevices, and Metasystems 2022, PC121951M (3 October 2022); https://doi.org/10.1117/12.2632895
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KEYWORDS
Nanoparticles
Optical components
Titanium dioxide
Virtual reality
Wave propagation
LCDs
Lenses
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