{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9733064","patent":{"patent_number":"US-9733064","title":"Digital off-axis heterodyne holographic interferometry for detecting vibration amplitude","assignee":null,"inventors":[],"filing_date":"2013-11-15T00:00:00.000Z","publication_date":"2017-08-15T00:00:00.000Z","cpc_codes":["G01N"],"num_claims":16,"abstract":"The invention relates to a digital holography method for detecting the vibration amplitude of an object (15) having a vibration frequency ω, comprising: generating object illumination waves (Wt) and reference waves (WLO); acquiring interferograms between the reference wave (WLO) and a signal wave (Ws) by means of a bandwidth ω s detector (19), the reference wave comprising two components ELO1, ELO1 of frequencies ω1, ω2 that are respectively staggered in relation to the laser frequency ωL by a quantity δ1=γ1ωs and δ2=qω+γ2ωs, where q is an integer and −0.5≦γ1, γ2≦0.5; and calculating the vibration amplitude of the object from the optical beats spectrum deduced from the complex amplitude of an interferogram."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Digital off-axis heterodyne holographic interferometry for detecting vibration amplitude","description":"The invention relates to a digital holography method for detecting the vibration amplitude of an object (15) having a vibration frequency ω, comprising: generating object illumination waves (Wt) and r","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9733064","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-9733064","citation_suggestion":"Patentable. \"Digital off-axis heterodyne holographic interferometry for detecting vibration amplitude\" (US-9733064). https://patentable.app/patents/US-9733064","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9733064","json":"https://patentable.app/api/llm-context/US-9733064","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:37:39.237Z"}