Evanescent field absorption sensor

Wieslaw Wojcik; Andrzej Kotyra; Slawomir Przylucki; Andrzej Smolarz; J. T. Szymczak

doi:10.1117/12.266699

13 February 1997 Evanescent field absorption sensor

Wieslaw Wojcik, Andrzej Kotyra, Slawomir Przylucki, Andrzej Smolarz, J. T. Szymczak

Proceedings Volume 3054, Optoelectronic and Electronic Sensors II; (1997) https://doi.org/10.1117/12.266699
Event: Optoelectronic and Electronic Sensors II, 1996, Szczyrk, Poland

Abstract

In this paper we present the analysis, design, and construction of a fiber optic evanescent field sensor. A standard PCS multimode fiber was used in a measurement method called the attenuated total reflection. We present sample measurements taken for an alcohol solution of cobalt chloride CoCl₂(DOT)6H₂O compared with the results obtained by methods of classical spectrophotometry. The sensor described can be used in the analysis of strongly absorptive substances, especially where the traditional- optical transmission-measurement methods are impossible.

Citation Download Citation

Wieslaw Wojcik, Andrzej Kotyra, Slawomir Przylucki, Andrzej Smolarz, and J. T. Szymczak "Evanescent field absorption sensor", Proc. SPIE 3054, Optoelectronic and Electronic Sensors II, (13 February 1997); https://doi.org/10.1117/12.266699

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