Optical coupled-cavity photo-acoustic spectroscopy

申请公布号：US8330956(B1)

申请号：US20100791156

申请日期：2010.06.01

申请公布日期：2012.12.11

申请人：

SELETSKIY DENIS V.;HASSELBECK MICHAEL;SHEIK-BAHAE MANSOOR;STC.UNM

发明人：SELETSKIY DENIS V.;HASSELBECK MICHAEL;SHEIK-BAHAE MANSOOR

分类号：G01N21/00;G01B11/14

主分类号：G01N21/00

摘要：Various embodiments provide devices and methods of an optical coupled-cavity photo-acoustic spectroscopy (CC-PAS). The exemplary CC-PAS can include three mirrors configured in parallel to couple a Fabry-Perot (FP) cavity with a sample cavity. The sample cavity can be a resonant cavity for containing a sample. The FP cavity can be used as a tunable input coupler for the sample cavity to improve spectroscopic sensitivities when measuring an absorber in the sample.

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