Full-color, multi-plane image projection with mobile-phone flashlight &amp; a multi-level diffractive hologram

Monjurul Meem; Apratim Majumder; Rajesh Menon

doi:10.1364/CLEO_AT.2019.AF3K.1

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2019),
paper AF3K.1
•https://doi.org/10.1364/CLEO_AT.2019.AF3K.1

Full-color, multi-plane image projection with mobile-phone flashlight & a multi-level diffractive hologram

Monjurul Meem, Apratim Majumder, and Rajesh Menon

CLEO: Applications and Technology 2019

San Jose, California United States
5–10 May 2019
ISBN: 978-1-943580-57-6

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Imaging, Microscopy, & Specialized Detection (AF3K)

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M. Meem, A. Majumder, and R. Menon, "Full-color, multi-plane image projection with mobile-phone flashlight & a multi-level diffractive hologram," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2019), paper AF3K.1.

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Abstract

We show the projection of color and covert images in multiple planes using a multilevel diffractive-optical element illuminated by the flashlight of a mobile phone. Such devices could be useful for in secure documents.

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