Miniature optical planar camera based on a wide-angle metasurface doublet corrected for monochromatic aberrations
Abstract
Optical metasurfaces are two-dimensional arrays of nano-scatterers that modify optical wavefronts at subwavelength spatial resolution. They are poised to revolutionize optics by enabling complex low-cost systems where multiple metasurfaces are lithographically stacked and integrated with electronics. For imaging applications, metasurface stacks can perform sophisticated image corrections and can be directly integrated with image sensors. Here we demonstrate this concept with a miniature flat camera integrating a monolithic metasurface lens doublet corrected for monochromatic aberrations, and an image sensor. The doublet lens, which acts as a fisheye photographic objective, has a small f-number of 0.9, an angle-of-view larger than 60° × 60°, and operates at 850 nm wavelength with 70% focusing efficiency. The camera exhibits nearly diffraction-limited image quality, which indicates the potential of this technology in the development of optical systems for microscopy, photography, and computer vision.
Additional Information
© 2016 Macmillan Publishers Limited. This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. Received: 14 June 2016; Accepted: 25 October 2016; Published online: 28 November 2016. This work was supported by Samsung Electronics. A.A., E.A. and Y.H. were also supported by DARPA. A.A. was also supported by National Science Foundation award 1512266. Y.H. was supported by a Japan Student Services Organization (JASSO) fellowship. S.M.K., who was involved with the device fabrication, was supported by the DOE 'Light-Material Interactions in Energy Conversion' Energy Frontier Research Centre funded by the US Department of Energy, Office of Science, Office of Basic Energy Sciences under Award no. DE-SC0001293. The device nanofabrication was performed at the Kavli Nanoscience Institute at Caltech. Author Contributions: A.A. and A.F. conceived the experiment. A.A. designed and optimized the device with suggestions from S.H. A.A., E.A., S.M.K. and Y.H. fabricated the sample. A.A. and E.A. performed the measurements and analysed the data. A.A. and A.F. wrote the manuscript with input from all authors. Data availability: The data that support the finding of this study are available from the corresponding author upon request. The authors declare no competing financial interests.Attached Files
Published - ncomms13682.pdf
Submitted - 1604.06160v1.pdf
Supplemental Material - ncomms13682-s1.pdf
Supplemental Material - ncomms13682-s2.pdf
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Additional details
- Alternative title
- An optical metasurface planar camera
- PMCID
- PMC5133709
- Eprint ID
- 66563
- Resolver ID
- CaltechAUTHORS:20160430-095824592
- Samsung Electronics
- Defense Advanced Research Projects Agency (DARPA)
- CBET-1512266
- NSF
- Japan Student Services Organization (JASSO)
- DE-SC0001293
- Department of Energy (DOE)
- Created
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2016-05-01Created from EPrint's datestamp field
- Updated
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2022-04-07Created from EPrint's last_modified field
- Caltech groups
- Institute for Quantum Information and Matter, Kavli Nanoscience Institute