# US 10,768,341 B2 · Optical material, optical element and method for manufacturing same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,768,341 B2 - Document ID: US10768341B2 - Status: Granted - Kind: B2 - Application number: 16/001,235 - Filed: 2018-06-06 - Published: 2018-10-04 - Granted: 2020-09-08 - Earliest claimed: 2009-04-10 - Assignees: Nikon Corporation - Applicants: Nikon Corporation - Inventors: Soichi Owa; Shunji Watanabe; Junji Suzuki; Kazuhiro Kido; Hidemitsu Toba - Web page: https://patentgrep.com/patent/US10768341B2 ## CPC - G02B 1/007: {made of negative effective refractive index materials} - B82Y 20/00: Nanooptics, e.g. quantum optics or photonic crystals - G02B 1/14: Protective coatings, e.g. hard coatings - G03F 7/20: Exposure; Apparatus therefor (photographic printing apparatus for making copies G03B27/00) - G03F 7/32: Liquid compositions therefor, e.g. developers - Y10T 428/24893: including particulate material - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES - G03F: PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR; (phototypographic composing devices B41B; photosensitive materials or processes for photographic purposes G03C; electrophotography, sensitive layers or processes therefor G03G) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract An optical member to be arranged in an optical path of a light, includes an optical medium made of an insulator or a semiconductor; a first element provided at a first position in the optical medium and made of a first electric conductor having a width approximately same as or smaller than a wavelength of the light, the first position being a position in the optical path; and a second element provided at a second position, in the optical medium, different from the first position, and made of a second electric conductor having a width approximately same as or smaller than the wavelength of the light, the second position being a position in the optical path. ## Claims ### Claim 1 An optical member to be arranged in an optical path of a light, the optical member comprising: an optical medium made of an insulator or a semiconductor; a first element provided at a first position in the optical medium and made of a first electric conductor having a width approximately same as or smaller than a wavelength of the light, the first position being a position in the optical path; and a second element provided at a second position, in the optical medium, different from the first position, and made of a second electric conductor having a width approximately same as or smaller than the wavelength of the light, the second position being a position in the optical path. ### Claim 2 (depends on 1) The optical member according to claim 1, wherein the first element and the second element constitute a resonator. ### Claim 3 (depends on 2) The optical member according to claim 2, wherein the first element and the second element have a form of a partial annular shape. ### Claim 4 (depends on 2) The optical member according to claim 2, wherein a real part of a permeability, of the resonator, to the light is negative. ### Claim 5 (depends on 4) The optical member according to claim 4, wherein a real part of a permittivity, of the optical medium, to the light is negative. ### Claim 6 (depends on 2) The optical member according to claim 2, wherein a real part of a permittivity, of the optical medium, to the light is negative. ### Claim 7 (depends on 1) The optical member according to claim 1, wherein the first element and the second element have a form of a partial annular shape. ### Claim 8 (depends on 1) The optical member according to claim 1, wherein the optical medium is configured to prevent the first and second elements from contacting each other. ### Claim 9 (depends on 1) The optical member according to claim 1, wherein an electric conductivity of the optical medium is different from an electric conductivity of the first electric conductor and an electric conductivity of the second electric conductor. ### Claim 10 (depends on 1) The optical member according to claim 1, wherein the optical medium is made of the silicon dioxide. ### Claim 11 (depends on 1) The optical member according to claim 1, wherein the optical medium is made of the semiconductor. ### Claim 12 (depends on 1) The optical member according to claim 1, wherein the optical member has a form of a powder. ### Claim 13 (depends on 12) An optical liquid comprising the optical member as defined in claim 12 mixed in the optical liquid. ### Claim 14 (depends on 1) An optical element comprising: one or more first optical member each of which is the optical member as defined in claim 1; and a second optical member made of a material different from a material of the optical medium. ### Claim 15 (depends on 14) The optical element according to claim 14, wherein the second optical member is in contact with the first optical member. ### Claim 16 (depends on 15) The optical element according to claim 15, wherein the optical element includes a plurality of first optical elements, and the second optical member is positioned between the plurality of first optical elements. ### Claim 17 (depends on 1) The optical member according to claim 1, wherein the optical medium is a solid.