{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11473897","patent":{"patent_number":"US-11473897","title":"Method and apparatus for measuring depth-resolved tissue birefringence using single input state polarization sensitive optical coherence tomography","assignee":null,"inventors":[],"filing_date":"2019-10-14T00:00:00.000Z","publication_date":"2022-10-18T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N"],"num_claims":26,"abstract":"A method for determining a retardance of a layer of a sample. The method includes: transmitting a first portion of a polarized light to a sample arm of an optical system and a second portion of the polarized light to a reference arm of the optical system; combining first return light returned from the sample arm and second return light from the reference arm; detecting, using a detector, the combined light along a first polarization state and a second polarization state to produce polarization data, the second polarization state being different from the first polarization state; determining, using a processor coupled to the detector, polarization states of light returning from upper and lower surfaces of a layer of the sample based on detecting the combined light; and determining, using the processor, a retardance of the layer of the sample based on the determined polarization states."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for measuring depth-resolved tissue birefringence using single input state polarization sensitive optical coherence tomography","description":"A method for determining a retardance of a layer of a sample. The method includes: transmitting a first portion of a polarized light to a sample arm of an optical system and a second portion of the po","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11473897","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-11473897","citation_suggestion":"Patentable. \"Method and apparatus for measuring depth-resolved tissue birefringence using single input state polarization sensitive optical coherence tomography\" (US-11473897). https://patentable.app/patents/US-11473897","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11473897","json":"https://patentable.app/api/llm-context/US-11473897","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:34:45.718Z"}