{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11506602","patent":{"patent_number":"US-11506602","title":"Refractive-index sensor and method","assignee":null,"inventors":[],"filing_date":"2019-05-13T00:00:00.000Z","publication_date":"2022-11-22T00:00:00.000Z","cpc_codes":["G01N","B82Y","B82Y"],"num_claims":20,"abstract":"A method for measuring a refractive index of a medium includes exciting a first antisymmetric resonance of a first metasurface, including a first periodic array of resonators formed on a substrate surface, with illumination incident on the first metasurface at a non-normal incidence angle with respect to the substrate surface, the first metasurface including the medium encapsulating the first periodic array of resonators. The method also includes determining a refractive index of the medium from a first amplitude of a first transmitted signal that includes a portion of the illumination transmitted through the first metasurface."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Refractive-index sensor and method","description":"A method for measuring a refractive index of a medium includes exciting a first antisymmetric resonance of a first metasurface, including a first periodic array of resonators formed on a substrate sur","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11506602","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11506602","citation_suggestion":"Patentable. \"Refractive-index sensor and method\" (US-11506602). https://patentable.app/patents/US-11506602","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11506602","json":"https://patentable.app/api/llm-context/US-11506602","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:34:59.872Z"}