Journal
QUANTUM ELECTRONICS
Volume 49, Issue 1, Pages 29-34Publisher
TURPION LTD
DOI: 10.1070/QEL16932
Keywords
volatile organic substances; exhaled air; laser optoacoustic spectroscopy; parametric light generator; chalcogenides
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Control over volatile products of metabolic processes in human body in exhaled air is a promising method for noninvasive medical diagnostics. The mid-IR range (2-12 mu m) is of great interest for diagnostic applications of the exhaled air spectral analysis. Laser optoacoustic spectroscopy is quite attractive for detecting a large set of gaseous substances; however, high-power sources of tunable radiation are required to increase the method sensitivity. We consider the possibility of using a parametric light generator based on a BaGa4Se7 crystal as a broadband tunable mid-IR laser source for laser optoacoustic spectroscopy.
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