Arbabi, Amir and Faraon, Andrei (2023) Advances in optical metalenses. Nature Photonics, 17 (1). pp. 16-25. ISSN 1749-4885. doi:10.1038/s41566-022-01108-6. https://resolver.caltech.edu/CaltechAUTHORS:20230125-514893900.17
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Abstract
Optical metalenses—two-dimensional arrays of submicrometre scatterers that collectively focus light—have experienced growing research interest in recent years as they can realize conventional optical elements while offering novel functionalities. Their progress is driven by the need for low-cost, high-performance miniaturized optical systems and is supported by advances in nanofabrication and computational tools and techniques. Here we review the main capabilities offered by metalenses, such as their multifunctionality and their ability to efficiently focus light to subwavelength spots. We discuss how these characteristics enable new applications and provide an overview of the current state of the art of optical metasystems. We conclude by discussing the outstanding challenges in the field and highlighting application areas where metalenses could have a substantial impact.
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| Additional Information: | © Springer Nature Limited 2022. A.A. acknowledges support from Manning/IALS innovation grant. A.F. acknowledges support from Caltech via the Rothenberg Innovation Initiative (RI2) and Clinard Innovation Fund. The authors declare no competing interests. | |||||||||
| Group: | Kavli Nanoscience Institute | |||||||||
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| Issue or Number: | 1 | |||||||||
| DOI: | 10.1038/s41566-022-01108-6 | |||||||||
| Record Number: | CaltechAUTHORS:20230125-514893900.17 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20230125-514893900.17 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 118938 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Research Services Depository | |||||||||
| Deposited On: | 30 Jan 2023 17:41 | |||||||||
| Last Modified: | 22 May 2023 16:01 |
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