Multiwavelength metalens by spatial multiplexing at visible wavelengths
Journal of Optics (United Kingdom), ISSN: 2040-8986, Vol: 23, Issue: 7
2021
- 5Citations
- 8Captures
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Article Description
We theoretically demonstrate a multiwavelength metalens that operates concurrently at three visible wavelengths (λ = 400, 600, and 800 nm). Multiwavelength metalenses are designed by a simple integration of metalens components by a spatial interleaving method (SIM) or by a symmetric linear array method (SLAM). The designed metalenses focus light to the same focal distance at three visible wavelengths with near diffraction-limited full width at half-maximum. At wavelengths of 400, 600, and 800 nm, the SIM metalens had focusing efficiencies of 32.6%, 43.6%, and 51.7%, respectively, and the SLAM metalens had focusing efficiencies of 35.6%, 43.8%, and 56.4%, respectively. These methods can provide a simple guideline to increase the operating wavelengths of metalenses.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85108741144&origin=inward; http://dx.doi.org/10.1088/2040-8986/ac01b2; https://iopscience.iop.org/article/10.1088/2040-8986/ac01b2; https://iopscience.iop.org/article/10.1088/2040-8986/ac01b2/pdf; https://dx.doi.org/10.1088/2040-8986/ac01b2; https://validate.perfdrive.com/fb803c746e9148689b3984a31fccd902/?ssa=77773bd2-1ed1-4efc-bfc6-67b51ee76a34&ssb=18339244938&ssc=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.1088%2F2040-8986%2Fac01b2&ssi=412cf18c-8427-46b2-97b9-59444cf3182c&ssk=support@shieldsquare.com&ssm=265874048673976991125583983908676957&ssn=b0ae1b8f7321c35a7c994a367bc7f847b2d287516380-2ef0-41fb-a66180&sso=c65f4582-9ca0d8699968301d9c10c544a5ec0be87da9e84efcf60d3a&ssp=36285611251721403635172169769494917&ssq=26730816040055877861728364609301494987406&ssr=NTIuMy4yMTcuMjU0&sst=com.plumanalytics&ssu=&ssv=&ssw=&ssx=eyJyZCI6ImlvcC5vcmciLCJ1em14IjoiN2Y5MDAwODIxNGUxOWMtOWM1ZS00Y2U1LTljYjktYmZhM2JjZGZlMDAxNC0xNzIxNDI4MzY0MzY4MjMyMDM2MDQ1LTQ0NjBhYjQyMjI0NWEyZDExMTI1MzciLCJfX3V6bWYiOiI3ZjYwMDAwMjBhYWEwYS00NTQ4LTQ3N2UtYjhmZS01YjYxNjE1MDljNjIxNzIxNDI4MzY0MzY4MjMyMDM2MDQ1LTEwMzliMDFlZWU2YjczYjAxMTI1NDMifQ==
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