Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/144296
Title: Superoscillatory quartz lens with effective numerical aperture greater than one
Authors: Yuan, Guanghui
Lin, Y.-H.
Tsai, D. P.
Zheludev, Nikolay I.
Keywords: Science::Physics
Issue Date: 2020
Source: Yuan, G., Lin, Y.-H., Tsai, D. P., & Zheludev, N. I. (2020). Superoscillatory quartz lens with effective numerical aperture greater than one. Applied Physics Letters, 117(2), 021106-. doi:10.1063/5.0013823
Project: MOE2016-T3-1-006
SERC A1685b0005
Journal: Applied Physics Letters
Abstract: We report super-resolution high-numerical-aperture and long-working-distance superoscillatory quartz lenses for focusing and imaging applications. At the wavelength of λ = 633 nm, the lenses have an effective numerical aperture of 1.25, a working distance of 200 μm, and a focus into a hotspot of 0.4λ. Confocal imaging with resolution determined by the superoscillatory hotspot size is experimentally demonstrated.
URI: https://hdl.handle.net/10356/144296
ISSN: 0003-6951
DOI: 10.1063/5.0013823
Rights: © 2020 The Author(s). All rights reserved. This paper was published by AIP in Applied Physics Letters and is made available with permission of The Author(s).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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