- 专利标题： Achromatic metalens and metalens with reverse chromatic dispersion
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申请号： US15885622申请日： 2018-01-31
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公开(公告)号： US10408416B2公开(公告)日： 2019-09-10
- 发明人: Mohammadreza Khorasaninejad , Zhujun Shi , Alexander Y. Zhu , Wei Ting Chen , Vyshakh Sanjeev , Federico Capasso
- 申请人： PRESIDENT AND FELLOWS OF HARVARD COLLEGE
- 申请人地址： US MA Cambridge
- 专利权人： PRESIDENT AND FELLOWS OF HARVARD COLLEGE
- 当前专利权人： PRESIDENT AND FELLOWS OF HARVARD COLLEGE
- 当前专利权人地址： US MA Cambridge
- 代理机构： Foley & Lardner LLP
- 代理商 Cliff Z. Liu
- 主分类号： G02B5/18
- IPC分类号： G02B5/18 ; B82Y20/00 ; B82Y40/00 ; G01B9/02 ; F21V5/00 ; F21K9/64 ; F21V5/04 ; F21V5/10 ; H04N13/25
摘要：
An optical device includes a substrate, a reflective layer disposed over the substrate, and a metalens disposed over the reflective layer. The metalens includes a plurality of nanopillars, the plurality of nanopillars together specifying a phase profile such that the metalens has a focal length that is substantially constant over a wavelength range of an incident light of about 490 nm to about 550 nm.
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