Invention Grant
- Patent Title: Method and apparatus for the photo-acoustic identification and quantification of analyte species in a gaseous or liquid medium
- Patent Title (中): 在气体或液体介质中进行光声识别和分析物质定量的方法和装置
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Application No.: US13105779Application Date: 2011-05-11
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Publication No.: US08379206B2Publication Date: 2013-02-19
- Inventor: Alexander Kachanov , Serguei Koulikov
- Applicant: Alexander Kachanov , Serguei Koulikov
- Applicant Address: US NE Lincoln
- Assignee: LI-COR, Inc.
- Current Assignee: LI-COR, Inc.
- Current Assignee Address: US NE Lincoln
- Agency: Leydig, Voit & Mayer, LLP
- Agent Gerald T. Gray
- Main IPC: G01N21/00
- IPC: G01N21/00

Abstract:
A method and apparatus for the photo-acoustic identification and quantification of one or more analyte species present in a gaseous or liquid medium in low concentration utilizing a laser and a resonant optical cavity containing the medium and having within the cavity at least two partially transparent mirrors, one of which is a cavity coupling mirror and one of which is moveably mounted on an assembly responsive to an input signal.
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