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, Jane Jiang, Shahrzad Zahertar, Bruno Moog, Timothy Lee, Christopher Holmes, Gilberto Brambilla, Martynas Beresna

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


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.

Original languageEnglish
Title of host publicationProceedings of 28th International Conference on Optical Fiber Sensors
PublisherOptica Publishing Group
ISBN (Print)9781957171302
Publication statusPublished - 20 Nov 2023
Event28th International Conference on Optical Fiber Sensors - Hamamatsu, Japan
Duration: 20 Nov 202324 Nov 2023
Conference number: 28


Conference28th International Conference on Optical Fiber Sensors
Abbreviated titleOFS 2023

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