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Keywords = portable digital holography system

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10 pages, 5162 KiB  
Article
Portable Filter-Free Lens-Free Incoherent Digital Holography System
by Tatsuki Tahara
Photonics 2025, 12(2), 167; https://doi.org/10.3390/photonics12020167 - 19 Feb 2025
Cited by 1 | Viewed by 747
Abstract
A portable incoherent digital holography system without a polarization filter or a refractive lens was developed. Phase-shifted self-interference incoherent holograms of light diffracted from an object were generated without attenuation due to a polarization filter using two polarization-sensitive phase-only spatial light modulators (TPP-SLMs). [...] Read more.
A portable incoherent digital holography system without a polarization filter or a refractive lens was developed. Phase-shifted self-interference incoherent holograms of light diffracted from an object were generated without attenuation due to a polarization filter using two polarization-sensitive phase-only spatial light modulators (TPP-SLMs). The number of optical elements in filter-free lens-free incoherent digital holography was reduced to make the system compact and portable. Experiments were conducted using the developed digital holography system set on a tripod stand and objects illuminated by a light-emitting diode. Full article
(This article belongs to the Special Issue Optical Imaging Innovations and Applications)
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