Mid IR-fiber spectroscopy in the 2-17&#956;m range

Viatcheslav G. Artyushenko; A. Bocharnikov; Gary Colquhoun; Clive A. Leach; Vladimir Lobachov; Lyudmila Pirogova; Tatjana Sakharova; Dmitrij Savitskij; Tatjana Ezhevskaya; Alexandr Bublikov

doi:10.1117/12.752056

7 November 2007 Mid IR-fiber spectroscopy in the 2-17μm range

Viatcheslav G. Artyushenko, A. Bocharnikov, Gary Colquhoun, Clive A. Leach, Vladimir Lobachov, Lyudmila Pirogova, Tatjana Sakharova, Dmitrij Savitskij, Tatjana Ezhevskaya, Alexandr Bublikov

Author Affiliations +

Proceedings Volume 6739, Electro-Optical Remote Sensing, Detection, and Photonic Technologies and Their Applications; 673908 (2007) https://doi.org/10.1117/12.752056
Event: Optics/Photonics in Security and Defence, 2007, Florence, Italy

Abstract

The latest development in IR-fibre optics enables us to expand the spectral range of process spectroscopy from 2μm out to 17μm (5000 to 600cm-1) i.e. into the most informative "finger-print" part of the spectrum. Mid-IR wavelength ranges from 2 to 6-10μm may be covered by Chalcogenide IR-glass CIR-fibres while Polycrystalline PIR-fibres made of Silver Halides solid solutions transmit 4-17 μm wavelength radiation. PIR-fibre immersion ATR probes and Transmission/Reflection probes had been manufactured and successfully tested with different FTIR spectrometers in the field of remote spectroscopy for forensic substances identification, chemical reaction control, and monitoring of exhaust or exhalation gases. Using these techniques no sample preparation is necessary for fibre probes to measure evanescent, reflection and transmission spectra, in situ and in real time. QCL spectrometer may be used as a portable device for multispectral gas analysis at 1ppb level of detectivity for various applications in environmental pollution monitoring.

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Viatcheslav G. Artyushenko, A. Bocharnikov, Gary Colquhoun, Clive A. Leach, Vladimir Lobachov, Lyudmila Pirogova, Tatjana Sakharova, Dmitrij Savitskij, Tatjana Ezhevskaya, and Alexandr Bublikov "Mid IR-fiber spectroscopy in the 2-17μm range", Proc. SPIE 6739, Electro-Optical Remote Sensing, Detection, and Photonic Technologies and Their Applications, 673908 (7 November 2007); https://doi.org/10.1117/12.752056

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