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Conferences > OFS > 2023 > Tu3 > Tu3.80

Chromatic confocal metalens and scattering medium-based speckle pattern engineering for compact, low-cost distometers

Przemyslaw Falak, Justin Ho-Tin Chan, James Williamson, Andrew Henning, Haydn Martin, Xiangqian Jiang, Shahrzad Zahertar, Bruno Moog, Timothy Lee, Christopher Holmes, Gilberto Brambilla, and Martynas Beresna

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Abstract

We demonstrate a reconstructive distometer with 0.78 micron resolution and 2.5 cm cubic footprint, utilising an engineered metalens and laser-written scattering medium for tailored speckle pattern generation, benefiting from low-cost, compact size and high stability.

© 2023 The Author(s)

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