Journal
OPTICS LETTERS
Volume 44, Issue 13, Pages 3398-3401Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.44.003398
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Funding
- Generalitat Valenciana [PROMETEO-2017-154]
- Ministerio de Ciencia, Innovacion y Universidades (Ministerio de Ciencia e Innovacion (MICINN) [RTI2018-097107-B-C33]
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Liquid crystal displays allow the easy implementation of diffractive optical elements. However, the shortest focal lengths for lenses are limited by Nyquist conditions. In this work, we show that focal lengths much lower than this Nyquist limit can be encoded onto devices having a large phase-dynamic range. Experimental results are included with a display showing 10 pi phase modulation reducing the Nyquist limit by a factor of about 1/10. (C) 2019 Optical Society of America
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