公开(公告)号：US20190235139A1

公开(公告)日：2019-08-01

申请号：US16332348

申请日：2017-10-13

Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE

Inventor： Wei-Ting CHEN ,  Mohammadreza KHORASANINEJAD ,  Alexander Yutong ZHU ,  Jaewon OH ,  Robert Charles DEVLIN ,  Muhammad Aun Abbas ZAIDI ,  Federico CAPASSO

IPC: G02B5/00 ,  G02B1/00

CPC classification number: G02B5/001 ,  G02B1/002 ,  G02B2207/101

Abstract: An optical device comprises a substrate and a metasurface. The metasurface comprises a plurality of nanoscale elements disposed on the transparent substrate at different orientations. The orientations of the nanoscale elements define a phase profile such that the nanoscale elements convert an incident light into an output light propagating substantially without diffraction.

公开(公告)号：US20210149082A1

公开(公告)日：2021-05-20

申请号：US16616915

申请日：2018-05-31

Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE

Inventor： Wei Ting CHEN ,  Vyshakh SANJEEV ,  Alexander Yutong ZHU ,  Mohammadreza KHORASANINEJAD ,  Zhujun SHI ,  Federico CAPASSO

IPC: G02B1/00 ,  G02B5/18 ,  G02B6/34

Abstract: An optical device comprises a metasurface including a plurality of nanostructures. The nanostructures define a phase profile and a group delay profile at a design wavelength. The phase profile and the group delay profile determine and control the functionalities and the chromatic dispersion of the metasurface.

公开(公告)号：US20210132272A1

公开(公告)日：2021-05-06

申请号：US16471549

申请日：2017-12-19

Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE

Inventor： Alexander Yutong ZHU ,  Wei Ting CHEN ,  Mohammadreza KHORASANINEJAD ,  Jaewon OH ,  Aun ZAIDI ,  Robert Charles DEVLIN ,  Federico CAPASSO

IPC: G02B5/18 ,  G02B3/00 ,  G01J3/28 ,  G01J3/02

Abstract: An optical device includes: (1) a substrate; and (2) multiple meta-lenses disposed on the substrate, each meta-lens of the meta-lenses including multiple nanofins disposed on a respective region of the substrate, the nanofins together specifying a phase profile of the meta-lens.

公开(公告)号：US20210103141A1

公开(公告)日：2021-04-08

申请号：US16971150

申请日：2019-02-19

Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE

Inventor： Wei-Ting CHEN ,  Alexander Yutong ZHU ,  Jared F.G. SISLER ,  Federico CAPASSO

IPC: G02B27/00 ,  G02B1/00 ,  G02B3/00 ,  G02B21/33 ,  G02B1/02

Abstract: An optical device for aberration correction (e.g., chromatic aberration correction) is disclosed. The optical device includes an optical component (e.g., a spherical lens) and a metasurface optically coupled to the optical component. The metasurface includes a plurality of nanostructures that define a phase profile. The phase profile corrects an aberration (e.g., chromatic aberration) caused by the optical component. The resulting optical device becomes diffraction-limited (e.g., for the visible spectrum) with the metasurface.