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公开(公告)号：US20190162592A1
公开(公告)日：2019-05-30
申请号：US16091976
申请日：2017-04-07
Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Inventor： Mohammadreza KHORASANINEJAD , Federico CAPASSO , Wei Ting CHEN , Jaewon OH
Abstract: A meta-lens having a phase profile includes a substrate and a plurality of nanostructures disposed on the substrate. The nanostructures together define the phase profile of the meta-lens. The phase profile achieves an off-axis focus. Each nanostructure is designed according to at least one design parameter of the nanostructure that imparts a phase shift of light passing through the nanostructure.
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2.发明公开公开(公告)号：US20240061219A1
公开(公告)日：2024-02-22
申请号：US18501954
申请日：2023-11-03
Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Inventor： Robert C. DEVLIN , Mohammadreza KHORASANINEJAD , Federico CAPASSO , Hongkun PARK , Alexander HIGH
CPC classification number: G02B13/14 , C23C16/042 , C23C16/45525 , C23C16/45555 , C23C16/56 , G02B1/002 , G02B1/005 , G03F7/0005 , G03F7/40 , H01L31/02 , G02B1/02
Abstract: A method of fabricating a visible spectrum optical component includes: providing a substrate; forming a resist layer over a surface of the substrate; patterning the resist layer to form a patterned resist layer defining openings exposing portions of the surface of the substrate; performing deposition to form a dielectric film over the patterned resist layer and over the exposed portions of the surface of the substrate, wherein a top surface of the dielectric film is above a top surface of the patterned resist layer; removing a top portion of the dielectric film to expose the top surface of the patterned resist layer and top surfaces of dielectric units within the openings of the patterned resist layer; and removing the patterned resist layer to retain the dielectric units over the substrate.
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公开(公告)号：US20220283411A1
公开(公告)日：2022-09-08
申请号：US17824823
申请日：2022-05-25
Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Inventor： Robert C. DEVLIN , Mohammadreza KHORASANINEJAD , Federico CAPASSO , Hongkun PARK , Alexander Arthur HIGH
Abstract: A method of fabricating a visible spectrum optical component includes: providing a substrate; forming a resist layer over a surface of the substrate; patterning the resist layer to form a patterned resist layer defining openings exposing portions of the surface of the substrate; performing deposition to form a dielectric film over the patterned resist layer and over the exposed portions of the surface of the substrate, wherein a top surface of the dielectric film is above a top surface of the patterned resist layer; removing a top portion of the dielectric film to expose the top surface of the patterned resist layer and top surfaces of dielectric units within the openings of the patterned resist layer; and removing the patterned resist layer to retain the dielectric units over the substrate.
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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
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.
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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
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.
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Patent Agency Ranking
公开(公告)号：US20180259700A1
公开(公告)日：2018-09-13
申请号：US15755519
申请日：2016-09-01
Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Inventor： Mohammadreza KHORASANINEJAD , Federico CAPASSO , Antonio AMBROSIO
CPC classification number: G02B5/32 , G02B1/002 , G02B5/1814 , G02B13/14 , G02B27/283
Abstract: A device includes a substrate and at least one transmissive directional diffractive component disposed on the substrate. The device has high efficiency transmission over a broadband portion of the electromagnetic spectrum.
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7.发明申请公开(公告)号：US20180210147A1
公开(公告)日：2018-07-26
申请号：US15745925
申请日：2016-08-18
Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Inventor： Mohammadreza KHORASANINEJAD , Federico CAPASSO
IPC: G02B6/124
CPC classification number: G02B6/124 , G02B5/18 , G02B6/107 , G02B2006/12061 , G02B2006/12078
Abstract: A phase shift element includes a substrate and a dielectric ridge waveguide (DRW) disposed on the substrate. The DRW includes a dielectric material, and a width of the DRW is less than 500 nanometers (nm). A meta-grating includes a substrate and multiple dielectric ridge wave-guides (DRWs) disposed on the substrate.
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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
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.
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公开(公告)号：US20210068665A1
公开(公告)日：2021-03-11
申请号：US16772644
申请日：2018-12-12
Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE , THE GENERAL HOSPITAL CORPORATION , PARTNERS HEALTHCARE
Inventor： Hamid PAHLEVANINEZHAD , Mohammadreza KHORASANINEJAD , Yao-Wei HUANG , Zhujun SHI , Melissa SUTER , Federico CAPASSO
Abstract: An endoscopic imaging device (e.g., a catheter) comprises a light-transmitting tubing, at least one optical fiber disposed in the light-transmitting tubing, and at least one metalens. The metalens is optically coupled to the optical fiber and is configured to focus light from the optical fiber, through the light-transmitting tubing, and to a target point located outside of the light-transmitting tubing. The metalens includes a plurality of nanostructures. The nanostructures define a phase profile that corrects astigmatism caused by the light-transmitting tubing.
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公开(公告)号：US20190154877A1
公开(公告)日：2019-05-23
申请号：US16091104
申请日：2017-04-05
Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGE
Inventor： Federico CAPASSO , Wei Ting CHEN , Robert Charles DEVLIN , Mohammadreza KHORASANINEJAD , Jaewon OH , Alexander ZHU , Charles ROQUES-CARMES , Ishan MISHRA
Abstract: A meta-lens having a phase profile includes a substrate and a plurality of nanostructures disposed on the substrate. Each individual nanostructure of the nanostructures imparts a light phase shift that varies depending on a location of the individual nanostructure on the substrate. The light phase shifts of the nanostructures define the phase profile of the meta-lens. The varying light phase shifts can be realized by, e.g., changing orientations of nanofins or changing diameters of nanopillars.
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