Single-shot videography with multiplex structured illumination using an interferometer

Frequency recognition algorithm for multiple exposures (FRAME) is a high-speed videography technique that exposes a dynamic object to time-varying structured illumination (SI) and captures two-dimensional transients in a single shot. Conventional FRAME requires light splitting to increase the number...

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Bibliographic Details
Published inOptics express Vol. 31; no. 16; p. 27020
Main Authors Shibata, Tomoaki, Omachi, Junko
Format Journal Article
LanguageEnglish
Published 31.07.2023
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Summary:Frequency recognition algorithm for multiple exposures (FRAME) is a high-speed videography technique that exposes a dynamic object to time-varying structured illumination (SI) and captures two-dimensional transients in a single shot. Conventional FRAME requires light splitting to increase the number of frames per shot, thereby resulting in optical loss and a limited number of frames per shot. Here, we propose and demonstrate a novel FRAME method which overcomes these problems by utilizing an interferometer to generate a time-varying SI without light splitting. Combining this method with a pulsed laser enables low-cost, high-speed videography on a variety of timescales from microseconds.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.496512