{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9784673","patent":{"patent_number":"US-9784673","title":"Laser spectroscopic sensor using orbital angular momentum","assignee":null,"inventors":[],"filing_date":"2015-09-01T00:00:00.000Z","publication_date":"2017-10-10T00:00:00.000Z","cpc_codes":["G01N","G01N","G01N","G01N"],"num_claims":14,"abstract":"A method and system for optical angular momentum (OAM) spectroscopy includes generating a beam of light having a single OAM mode. A first spectrum of the beam of light is detected and the beam of light is passed through a gas to attenuate the beam of light in accordance with a presence and concentration of a respective gas. A second spectrum the beam of light is coherently detected and a difference between the first and second spectrum for the beam of light is analyzed to determine the presence and concentration of the respective gas."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Laser spectroscopic sensor using orbital angular momentum","description":"A method and system for optical angular momentum (OAM) spectroscopy includes generating a beam of light having a single OAM mode. A first spectrum of the beam of light is detected and the beam of ligh","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9784673","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-9784673","citation_suggestion":"Patentable. \"Laser spectroscopic sensor using orbital angular momentum\" (US-9784673). https://patentable.app/patents/US-9784673","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9784673","json":"https://patentable.app/api/llm-context/US-9784673","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:00:50.192Z"}