Sensing characteristics of clad-modified with nanocrystalline metal oxide fiber optic gas sensor

D. Sastikumar; B. Renganathan

doi:10.1117/12.2071440

4 December 2014 Sensing characteristics of clad-modified with nanocrystalline metal oxide fiber optic gas sensor

D. Sastikumar, B. Renganathan

Proceedings Volume 9274, Advanced Sensor Systems and Applications VI; 92740S (2014) https://doi.org/10.1117/12.2071440
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

Clad-modified with nanocrystalline metal oxide fiber optic gas sensors have been proposed for ambient temperature operation. The sensor output light intensity either increases or decreases when the gas concentration is increased. Study shows that optical properties of metal-oxides with air medium influence the gas sensing. Absorption characteristics of nanocrystalline metal oxides ( ZnO, Sm₂O₃ and Ce doped ZnO etc., ) in air, methanol, ethanol and ammonia are analyzed as well as their effect on gas sensing.

Citation Download Citation

D. Sastikumar and B. Renganathan "Sensing characteristics of clad-modified with nanocrystalline metal oxide fiber optic gas sensor", Proc. SPIE 9274, Advanced Sensor Systems and Applications VI, 92740S (4 December 2014); https://doi.org/10.1117/12.2071440

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