Reflection Mode Photopyroelectric Spectfoscopy of Strongly Absorbing Liquids in the Near Infrared

Mihai Chirtoc Institute for Isotopic and Molecular Technology, P.O. Box 700, 3400, CLUJ-NAPOCA 5, Rumania

D. Dad[acaron]rlat Institute for Isotopic and Molecular Technology, P.O. Box 700, 3400, CLUJ-NAPOCA 5, Rumania

Ileana Chirtoc Institute for Isotopic and Molecular Technology, P.O. Box 700, 3400, CLUJ-NAPOCA 5, Rumania

Dane Bicanic Department of Physics and Meteorology, Photoacoustic Laboratory, Agricultural University, Duivendaal 2, 6701 AP, Wageningen, The Netherlands

Abstract

Novel and simple technique suitable for spectroscopic studies of liquid samples is being described. Its validity has been experimentally verified using water as the specimen.

The sensitivity of the method allowed measurement of absorption coefficients (∼ 200 cm⁻¹) in the near infrared with good signal to noise ratio values.

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Reflection Mode Photopyroelectric Spectfoscopy of Strongly Absorbing Liquids in the Near Infrared

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Reflection Mode Photopyroelectric Spectfoscopy of Strongly Absorbing Liquids in the Near Infrared

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