Superoscillatory quartz lens with effective numerical aperture greater than one
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 0.4...
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Main Authors: | Yuan, Guanghui, Lin, Y.-H., Tsai, D. P., Zheludev, Nikolay I. |
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Other Authors: | School of Physical and Mathematical Sciences |
Format: | Article |
Language: | English |
Published: |
2020
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Subjects: | |
Online Access: | https://hdl.handle.net/10356/144296 |
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Institution: | Nanyang Technological University |
Language: | English |
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