Acoustic resonance phase locked photoacoustic spectrometer

Title: Acoustic resonance phase locked photoacoustic spectrometer

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Abstract

A photoacoustic spectroscopy method and apparatus for maintaining an acoustic source frequency on a sample cell resonance frequency comprising: providing an acoustic source to the sample cell to generate a photoacoustic signal, the acoustic source having a source frequency; continuously measuring detection phase of the photoacoustic signal with respect to source frequency or a harmonic thereof; and employing the measured detection phase to provide magnitude and direction for correcting the source frequency to the resonance frequency.

Inventors:: Pilgrim, Jeffrey S.; Bomse, David S.; Silver, Joel A.

Issue Date:: 2003-08-19

Research Org.:: Southwest Sciences, Incorporated, Santa Fe, New Mexico (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1174457

Patent Number(s):: 6,608,683

Application Number:: 09/782,137

Assignee:: Southwest Sciences, Incorporated OSTI

DOE Contract Number:: FG03-99ER82887

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

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                    Pilgrim, Jeffrey S., Bomse, David S., and Silver, Joel A. Acoustic resonance phase locked photoacoustic spectrometer.  United States: N. p., 2003. 
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                    Pilgrim, Jeffrey S., Bomse, David S., & Silver, Joel A. Acoustic resonance phase locked photoacoustic spectrometer.  United States.

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                    Pilgrim, Jeffrey S., Bomse, David S., and Silver, Joel A. Tue .  
        "Acoustic resonance phase locked photoacoustic spectrometer".  United States.  https://www.osti.gov/servlets/purl/1174457.

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@article{osti_1174457,

  title        = {Acoustic resonance phase locked photoacoustic spectrometer},

  author       = {Pilgrim, Jeffrey S. and Bomse, David S. and Silver, Joel A.},

  abstractNote = {A photoacoustic spectroscopy method and apparatus for maintaining an acoustic source frequency on a sample cell resonance frequency comprising: providing an acoustic source to the sample cell to generate a photoacoustic signal, the acoustic source having a source frequency; continuously measuring detection phase of the photoacoustic signal with respect to source frequency or a harmonic thereof; and employing the measured detection phase to provide magnitude and direction for correcting the source frequency to the resonance frequency.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2003},

  month        = {8}

}

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