# US 10,310,287 B2 · System and method for controlling light by an array of optical resonators > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,310,287 B2 - Document ID: US10310287B2 - Status: Granted - Kind: B2 - Application number: 15/032,418 - Filed: 2014-10-28 - Published: 2016-09-08 - Granted: 2019-06-04 - Earliest claimed: 2013-10-28 - Assignees: Ramot at Tel-Aviv University Ltd. - Applicants: Ramot at Tel-Aviv University Ltd. - Inventors: Tal Ellenbogen; Omri Eisenbach; Ori Avayu; Ran Ditcovski - Web page: https://patentgrep.com/patent/US10310287B2 ## CPC - G02B 27/4211: {correcting chromatic aberrations (G02B27/0056, G02B27/4222, G02B27/4227 take precedence)} - G02B 1/002: {made of materials engineered to provide properties not available in nature, e.g. metamaterials} - G02B 5/008: {Surface plasmon devices (diffractive gratings with a pitch less than or comparable to the wavelength G02B5/1809; surface plasmons in integrated optics G02B6/1226; optical analysis of materials by means of surface plasmons G01N21/553)} - G02B 5/30: Polarising elements (light-modulating devices with active elements G02F1/00) - G02B 27/4261: {having a diffractive element with major polarization dependent properties} - B82Y 20/00: Nanooptics, e.g. quantum optics or photonic crystals - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES ## Abstract An array of optical resonators comprises at least a first type of optical resonators each having a resonant response to an optical field at a first wavelength, and a second type of optical resonators each having a resonant response to an optical field at a second wavelength, being different from the first wavelength. The resonant responses can be selected to reduce chromatic aberrations, or to shape a profile of a light beam, or to selectively switch a near field beam. ## Claims ### Claim 1 An optical system, comprising a refractive optical element, and an array of optical resonators, said refractive optical element and said array being positioned on the same optical axis, wherein said array of optical resonators comprises at least a first type of optical resonators each having a resonant response to an optical field at a first wavelength, and a second type of optical resonators each having a resonant response to an optical field at a second wavelength, being different from said first wavelength, said resonant responses being selected to reduce chromatic aberrations associated with said refractive optical element; wherein different types of optical resonators engage different surfaces. ### Claim 2 (depends on 1) The system according to claim 1, wherein at least one optical resonator of said first type is laterally displaced from any optical resonator of said second type, and at least one optical resonator of said first type partially overlaps with at least one optical resonator of said second type. ### Claim 3 (depends on 1) The system according to claim 1, wherein said first type of optical resonators has a resonant response to an optical field at a first polarization, and said second type of optical resonators has resonant response to an optical field at a second polarization, being different from said first polarization. ### Claim 4 (depends on 3) The system according to claim 3, further comprising a polarizer constituted to polarize an optical field prior to an incident of said optical field on said array of optical resonators. ### Claim 5 (depends on 3) The system according to claim 3, wherein said array of optical resonators is configured to focus: (i) an optical field having said first wavelength and said first polarization at a focal plane, and (ii) an optical field having said second wavelength and said second polarization, onto the same focal plane. ### Claim 6 (depends on 3) The system according to claim 3, wherein said array of optical resonators is configured to focus said first polarization onto a first focal plane, and said second polarization onto a second focal plane, being different from said first plane. ### Claim 7 (depends on 3) The system according to claim 3, wherein said array of optical resonators is configured to provide a polarization-dependent beam profile. ### Claim 8 (depends on 1) The system according to claim 1, wherein said array of optical resonators is configured to provide a wavelength-dependent beam profile. ### Claim 9 (depends on 1) The system according to claim 1, wherein said array of optical resonators is configured to focus white light at a single focal plane. ### Claim 10 (depends on 1) The system according to claim 1, further comprising at least one additional array of optical resonators, wherein said array and said at least one additional array engage different surfaces. ### Claim 11 (depends on 10) The system according to claim 10, wherein said array and said additional array are planar. ### Claim 12 (depends on 1) The system according to claim 1, wherein said array of optical resonators is planar. ### Claim 13 (depends on 1) The system according to claim 1, further comprising a substrate carrying said array of optical resonators. ### Claim 14 (depends on 13) The system according to claim 13, wherein said substrate is generally rigid. ### Claim 15 (depends on 13) The system according to claim 13, wherein said substrate is flexible. ### Claim 16 (depends on 1) The system according to claim 1, wherein said array of optical resonators is deposited or printed on a refractive surface of said refractive optical element. ### Claim 17 (depends on 1) The system according to claim 1, wherein said resonant response comprises plasmonic excitation. ### Claim 18 (depends on 1) The system according to claim 1, being configured for providing diffraction in reflective mode. ### Claim 19 (depends on 1) The system according to claim 1, being configured for providing diffraction in transmissive mode. ### Claim 20 (depends on 1) The system according to claim 1, wherein there are more than two types of resonators, and wherein the resonators of each type have a resonant response to an optical field at a different wavelength. ### Claim 21 An optical system, comprising an array of optical resonators, wherein said array of optical resonators comprises at least a first type of optical resonators each having a resonant response to an optical field at a first wavelength, and a second type of optical resonators each having a resonant response to an optical field at a second wavelength, being different from said first wavelength, wherein at least one optical resonator of said first type is laterally displaced from any optical resonator of said second type, and at least one optical resonator of said first type partially overlaps with at least one optical resonator of said second type. ### Claim 22 (depends on 21) The system according to claim 21, wherein said array of optical resonators is configured to focus both said first and said second wavelengths generally onto a same focal plane. ### Claim 23 (depends on 21) The system according to claim 21, wherein at least some of said optical resonators are elongated nanostructures. ### Claim 24 (depends on 21) The system according to claim 21, wherein at least some of said optical resonators are nanoantennas. ### Claim 25 (depends on 21) The system according to claim 21, wherein at least some of said optical resonators are selected from the group consisting of resonant cavities, nano-apertures and quantum confinement structures. ### Claim 26 (depends on 21) The system according to claim 21, wherein said array is positioned at or near a Fourier plane of an image. ### Claim 27 (depends on 21) The system according to claim 21, serving as a component in a system selected from the group consisting of: a lens system, a beam shaping system, an imaging system and an optical sensor system. ### Claim 28 (depends on 21) A method of controlling light, comprising directing a light beam or an image onto the system according to claim 21. ### Claim 29 (depends on 28) The method of claim 28, being executed for at least one of reducing longitudinal chromatic aberrations, reducing transverse chromatic aberrations, reshaping a profile of said light, shaping a profile of a near field beam, switching a near field beam, hyper spectral imaging, spectroscopy, obtaining spatial spectral dependence of said sample or image, and filtering spatial frequencies of said image. ### Claim 30 An optical system, comprising a refractive optical element, and an array of optical resonators, said refractive optical element and said array being positioned on the same optical axis, wherein said array of optical resonators comprises at least a first type of optical resonators each having a resonant response to an optical field at a first wavelength, and a second type of optical resonators each having a resonant response to an optical field at a second wavelength, being different from said first wavelength, said resonant responses being selected to reduce chromatic aberrations associated with said refractive optical element; and wherein said array of optical resonators is configured to provide a wavelength-dependent beam profile. ### Claim 31 An optical system, comprising a refractive optical element, and an array of optical resonators, said refractive optical element and said array being positioned on the same optical axis, wherein said array of optical resonators comprises at least a first type of optical resonators each having a resonant response to an optical field at a first wavelength, and a second type of optical resonators each having a resonant response to an optical field at a second wavelength, being different from said first wavelength, said resonant responses being selected to reduce chromatic aberrations associated with said refractive optical element; and wherein said array of optical resonators is configured to focus white light at a single focal plane. ### Claim 32 An optical system, comprising a refractive optical element, an array of optical resonators, and at least one additional array of optical resonators; wherein said array and said at least one additional array engage different surfaces; wherein said refractive optical element and said array are positioned on the same optical axis; wherein said array of optical resonators comprises at least a first type of optical resonators each having a resonant response to an optical field at a first wavelength, and a second type of optical resonators each having a resonant response to an optical field at a second wavelength, being different from said first wavelength, said resonant responses being selected to reduce chromatic aberrations associated with said refractive optical element. ### Claim 33 An optical system, comprising a refractive optical element, and an array of optical resonators, said refractive optical element and said array being positioned on the same optical axis, wherein said array of optical resonators comprises at least a first type of optical resonators each having a resonant response to an optical field at a first wavelength, and a second type of optical resonators each having a resonant response to an optical field at a second wavelength, being different from said first wavelength, said resonant responses being selected to reduce chromatic aberrations associated with said refractive optical element; and wherein the system is configured for providing diffraction in a mode selected from the group consisting of a reflective mode and a transmissive mode. ### Claim 34 An optical system, comprising a refractive optical element, and an array of optical resonators, said refractive optical element and said array being positioned on the same optical axis, wherein said array of optical resonators comprises at least a first type of optical resonators each having a resonant response to an optical field at a first wavelength, and a second type of optical resonators each having a resonant response to an optical field at a second wavelength, being different from said first wavelength, said resonant responses being selected to reduce chromatic aberrations associated with said refractive optical element; and wherein at least one optical resonator of said first type is laterally displaced from any optical resonator of said second type, and at least one optical resonator of said first type partially overlaps with at least one optical resonator of said second type. ### Claim 35 An optical system, comprising a refractive optical element, and an array of optical resonators, said refractive optical element and said array being positioned on the same optical axis, wherein said array of optical resonators comprises more than two types of resonators, wherein the resonators of each type have a resonant response to an optical field at a different wavelength, said resonant responses being selected to reduce chromatic aberrations associated with said refractive optical element.