High-sensitivity sensor of gases based on IR tunable diode lasers for human exhalation monitoring

Konstantin L. Moskalenko; Alexander I. Nadezhdinskii; Eugene V. Stepanov

doi:10.1117/12.44082

1 June 1991 High-sensitivity sensor of gases based on IR tunable diode lasers for human exhalation monitoring

Konstantin L. Moskalenko, Alexander I. Nadezhdinskii, Eugene V. Stepanov

Proceedings Volume 1426, Optical Methods for Tumor Treatment and Early Diagnosis: Mechanisms and Techniques; (1991) https://doi.org/10.1117/12.44082
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

Results on tunable diode laser spectroscopy applications in analysis of human expiration are presented. Carbon monoxide concentrations in exhaled air of several non-smoking adults were measured with high sensitivity. Obtained CO contents slightly exceed atmosphere level and correlate with it. Simultaneous measurements of carbon monoxide and carbon dioxide were carried out using single diode laser generated at 4.7 microns. Dependences of their concentration in exhaled air on breath-holding time were investigated.

Citation Download Citation

Konstantin L. Moskalenko, Alexander I. Nadezhdinskii, and Eugene V. Stepanov "High-sensitivity sensor of gases based on IR tunable diode lasers for human exhalation monitoring", Proc. SPIE 1426, Optical Methods for Tumor Treatment and Early Diagnosis: Mechanisms and Techniques, (1 June 1991); https://doi.org/10.1117/12.44082

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