A Wall Effect in the Photothermal Beam Deflection Response of Infrared-Absorbing Gases |
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| Authors: | M J D Low C Morterra A G Severdia J M Khosrofian |
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| Institution: | Department of Chemistry , New York University , 4 Washington Place, New York, NY, 10003 |
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| Abstract: | FTIR photothermal beam deflection (PBD) spectroscopy was used to record PBD spectra of IR-absorbing gases in presence of IR-absorbing and non-absorbing solids. The presence of the solid, IR-absorbing or not, causes asymmetry at the juncture of the IR and probe laser |
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| Keywords: | infrared spectra photoacoustics photothermal beam deflection spectroscopy gases |
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