Optical Multi-pass Cell for TDLAS Analysis of Human Breath
V.V. VasinovichA.D. PivovarovITMO University,Saint Petersburg,Russia,197101Mukhammadzoir S. KhadjaevTashkent University of Information Technologies,Samarkand,Uzbekistan,140100A.S. GrishkanichE.A. GurvitzS.A. Davydov
2024en
ABI
Abstract
We conducted optical modeling and constructed a multi-pass optical cell for human breath analysis by Tunable Diode Laser Absorbtion Spectroscopy (TDLAS) techniques. The cell comprises two concave cylindrical mirrors and achieves a 3.5 m optical path length within a $5 \times 5 \times 5 \mathbf{c m}^{3}$ volume, enabling its use in portable devices for examining human exhalation.
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