Singh, Shailendra Kumar (2022) Study and Realization of Nanocomposite Thin Film Material-based Fiber Optic Sensor for the Detection of Gases and Chemical Species. PhD thesis, CSIR CGCRI and AcSIR.

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Abstract

The present Ph.D. thesis entitled,” “Study and realization of nanocomposite thin based fiber optic sensor for the detection of Gases and Chemical Species”, demonstrates the development of thinfilm based fiber optic sensors. In the Ph.D. thesis work, various photonic materials viz, Au coated ZnO, Ag-doped ZnO, Bi-doped ZnO, and Ag-doped TiO2 have been hydrothermally prepared over modified fiber substrate for the development of the fiber optic sensors. The theoretical simulation of sensing parameters viz evanescent field, penetration depth, Modal field analysis, and optical absorption have been carried out. The clad thickness (2-5μm) is essential to developing a fiber optic sensor which was simulated by MATLAB. In the thickness range, penetration depth (pd ≈ 8.939) was found optimum at the incident angle (

Item Type:	Thesis (PhD)
Additional Information:	Supervisor: Dr. Mukul Chandra Paul
Subjects:	Engineering Materials
Divisions:	Fiber Optics and Photonics
Depositing User:	Ms Upasana Sahu
Date Deposited:	28 May 2024 07:26
Last Modified:	28 May 2024 07:26
URI:	http://cgcri.csircentral.net/id/eprint/5721

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