Focused light field camera based on solid immersion microlens arrays with large f-number

Jaemyeong Kwon; Sang-In Bae; Ki-Hun Jeong

doi:10.1117/12.2608554

9 March 2022 Focused light field camera based on solid immersion microlens arrays with large f-number

Jaemyeong Kwon, Sang-In Bae, Ki-Hun Jeong

Proceedings Volume PC12013, MOEMS and Miniaturized Systems XXI; PC1201302 (2022) https://doi.org/10.1117/12.2608554
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Focused light field cameras utilize microlens arrays (MLAs) as an imaging system to obtain spatial and angular information. MLAs are efficiently fabricated by thermal reflow whereas MLAs formed by thermal reflow have relatively small f-numbers, resulting in small depth-of-field. Here we report a focused light field camera with large f-number by incorporation solid immersion MLAs. Solid immersion using PDMS spin coating over conventional MLAs facilitates large-area fabrication of large f-number MLAs using refractive index differences. Solid immersion MLAs extend depth-of-field several times. This method can broaden focused light field camera application range.

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Citation Download Citation

Jaemyeong Kwon, Sang-In Bae, and Ki-Hun Jeong "Focused light field camera based on solid immersion microlens arrays with large f-number", Proc. SPIE PC12013, MOEMS and Miniaturized Systems XXI, PC1201302 (9 March 2022); https://doi.org/10.1117/12.2608554

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KEYWORDS

Solids

Microlens array

Cameras

Solid state cameras

Coating

Spatial resolution

Microlens

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