The photothermal transparent transducer method applied to the spectroscopy of liquids

A new kind of spectroscopy of liquids is presented: the photothermal transparent transducer method applied to the spectroscopy of liquid samples. The liquid sample is placed in a small (approximately 20 ml) chamber with a LiTaO 3 pyroelectric crystal as window. The sample excitation and signal analy...

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Bibliographic Details
Published in:Sensors and actuators. B, Chemical Chemical, 2009-03, Vol.136 (2), p.287-289
Main Authors: de Paula, M.H., Lemos, G.M., do Amaral, M.S., Nunes, J.R., Lourenço, A., de Carvalho, A.A., Kitano, C., da Silva, J.G., Sakamoto, W.K., Siqueira, O.S., Mello, G.A.B., Pinto, J.O.P., Galotto, L., Peres, M.T.L.P.
Format: Article
Language:English
Subjects:
Actuators
Chambers
Crystals
Liquids
On-line systems
Photothermal spectroscopy
Photothermal spectroscopy of liquids
Photothermal transparent transducer method applied to liquid samples
Signal analysis
Spectroscopy
Spectroscopy of liquids
Transducers
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Summary:A new kind of spectroscopy of liquids is presented: the photothermal transparent transducer method applied to the spectroscopy of liquid samples. The liquid sample is placed in a small (approximately 20 ml) chamber with a LiTaO 3 pyroelectric crystal as window. The sample excitation and signal analysis could be made using modulated or pulsed techniques. Samples with low to high absorbance could be easily analyzed, including on-line experiments.
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2008.11.024