Unclad Evanescent Wave Fiber Optic Sensor for Toxic Gas Detection - Suham, Mohammed;Razooky Mahdi, Bushra;Ali Yusr, Hashim
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In this book, we present the design and construction of an evanescent wave fiber optic sensor for sensing the toxic gas (ammonia). The design of this fiber optic sensor is based on a cladding modification approach. A step index plastic multimode fiber with unclad middle region acts as the sensing element. The experimental results show a positive response to ammonia vapor at various concentrations. The sensing probe length, source intensity and source wavelength, shows an influence on the sensor response. The theoretical designing of sensing probe has also been presented here. Finally fiber…mehr

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Produktbeschreibung
In this book, we present the design and construction of an evanescent wave fiber optic sensor for sensing the toxic gas (ammonia). The design of this fiber optic sensor is based on a cladding modification approach. A step index plastic multimode fiber with unclad middle region acts as the sensing element. The experimental results show a positive response to ammonia vapor at various concentrations. The sensing probe length, source intensity and source wavelength, shows an influence on the sensor response. The theoretical designing of sensing probe has also been presented here. Finally fiber optic is used to detect organic gases (Acetone) at different exposure time.
Autorenporträt
Mohammed. S. Sadah was born in Wasit ,Iraq in 1988, he received B.S degree in Physics from Wasit University, in 2010,M.S degree in General Physics from Wasit University in 2016. He joined to the Ministry of Education in 2011. He has publication in the fiber sensor technology.