{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8541744","patent":{"patent_number":"US-8541744","title":"Method and apparatus for wavelength locking free optical frequency comb based differential absorption Lidar","assignee":null,"inventors":[],"filing_date":"2013-03-09T00:00:00.000Z","publication_date":"2013-09-24T00:00:00.000Z","cpc_codes":["G01S","G01N","G01S","G01S","G01S","G01S","G01S","G01N","G01N","G01S"],"num_claims":23,"abstract":"Methods and systems for wavelength locking free OFC based DIAL are disclosed, including generating electromagnetic radiation from a mode-locked fiber laser; coupling the electromagnetic radiation to an acousto-optic modulator; coupling the electromagnetic radiation to a power amplifier; collimating and coupling the amplified electromagnetic radiation into a scanner; steering the collimated and amplified electromagnetic radiation onto a target; using a telescope to collect a portion of the backscattered electromagnetic radiation from the target; coupling the collected portion of the backscattered electromagnetic radiation into a DWDM; using a photon counting receiver coupled to the DWDM to measure a multiple OFC on-resonant band intensity and a multiple OFC off-resonant band intensity; and comparing the multiple OFC on-resonant band intensity with the multiple OFC off-resonant band intensity in order to determine one or more concentrations of one or more molecules within the target. Other embodiments are described and claimed."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for wavelength locking free optical frequency comb based differential absorption Lidar","description":"Methods and systems for wavelength locking free OFC based DIAL are disclosed, including generating electromagnetic radiation from a mode-locked fiber laser; coupling the electromagnetic radiation to a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8541744","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-8541744","citation_suggestion":"Patentable. \"Method and apparatus for wavelength locking free optical frequency comb based differential absorption Lidar\" (US-8541744). https://patentable.app/patents/US-8541744","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8541744","json":"https://patentable.app/api/llm-context/US-8541744","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:24:26.995Z"}