4.6 Article

Ultra-thin near infrared camera enabled by a flat multi-level diffractive lens

Journal

OPTICS LETTERS
Volume 44, Issue 22, Pages 5450-5452

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OL.44.005450

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Funding

  1. Office of Naval Research [N66001-10-1-406]
  2. National Science Foundation [ECCS 1828480, ECCS 1936729]

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We experimentally demonstrate a similar to 1-mm-thick near infrared camera comprised of a multi-level diffractive lens coupled with a conventional monochrome image sensor. We performed careful measurements of the point-spread function, the modulation transfer function, focusing efficiency, aberrations, and the field of view of the camera. (C) 2019 Optical Society of America

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