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Fiber Probe for Simultaneous Mid-Infrared and Fluorescence Spectroscopic Analysis
Andrey Bogomolov1, Tatiana Sakharova2, Iskander Usenov2,3
1Samara State Technical University, Molodogvardeyskaya 244, 443100 Samara, Russia.
Abstract:
A multispectral fiber optic probe has been developed that enables simultaneous analysis of various liquid and solid samples using attenuated total reflection mid-infrared spectroscopy and fluorimetry. The probe design was optimized using ray-tracing simulation of the light propagation. Technical evaluation of the probe has confirmed its output signal quality that was comparable to that of respective probes for single methods. The capability of the probe to deliver complementary chemical information from the same measurement point has been illustrated using model samples of biological tissue. Qualitative analysis of the biological tissue is one of the most important applications of the developed multispectral probe.
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