Tellurium halide IR fibers for remote spectroscopy

Xhang Hua Zhang; Hong Li Ma; Chantal Blanchetiere; Karine Le Foulgoc; Jacques Lucas; Jean Heuze; P. Colardelle; P. Froissard; D. Picque; G. Corrieu

doi:10.1117/12.180702

28 July 1994 Tellurium halide IR fibers for remote spectroscopy

Xhang Hua Zhang, Hong Li Ma, Chantal Blanchetiere, Karine Le Foulgoc, Jacques Lucas, Jean Heuze, P. Colardelle, P. Froissard, D. Picque, G. Corrieu

Author Affiliations +

Proceedings Volume 2131, Biomedical Fiber Optic Instrumentation; (1994) https://doi.org/10.1117/12.180702
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

The new family of IR transmitting glasses, the TeX glasses, based on the association of tellurium and halide (Cl, Br, or I) are characterized by a wide optical window extending from 2 to 18 micrometers and a strong stability towards devitrification. Optical fibers drawn from these glasses exhibit low losses in the 7 - 10 micrometers range (less than 1 dB/m for single index fibers, 1 - 2 dB/m for fibers having a core-clad structure). The TeX glass fibers have been used in a remote analysis set-up which is mainly composed of a FTIR spectrometer coupled with a HgCdTe detector. This prototype system permits qualitative and quantitative analysis in a wide wavelength region lying from 3 to 13 micrometers , covering the fundamental absorption of more organic species. The evolution of a lactic and an alcoholic fermentation has been monitored by means of this set-up.

Citation Download Citation

Xhang Hua Zhang, Hong Li Ma, Chantal Blanchetiere, Karine Le Foulgoc, Jacques Lucas, Jean Heuze, P. Colardelle, P. Froissard, D. Picque, and G. Corrieu "Tellurium halide IR fibers for remote spectroscopy", Proc. SPIE 2131, Biomedical Fiber Optic Instrumentation, (28 July 1994); https://doi.org/10.1117/12.180702

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