Theoretical analysis of D-type optical fiber sensor with a bimetallic layer

Yaobo Liu; Yueming Liu; Liaolin Hu

doi:10.1117/12.806402

2 February 2009 Theoretical analysis of D-type optical fiber sensor with a bimetallic layer

Yaobo Liu, Yueming Liu, Liaolin Hu

Proceedings Volume 7157, 2008 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications; 71570K (2009) https://doi.org/10.1117/12.806402
Event: International Conference of Optical Instrument and Technology, 2008, Beijing, China

Abstract

In this paper, we consider a SPR sensor based on D-type optical fiber with bimetallic combination. In pursuit of both higher sensitivity and larger operating range, firstly, we separately analyze the influence of parameters such as the length of coating L, the incident angle θ and the thickness of Au-coating layer d. when the optimum parameters of sensor are determined, we analyze the performance of the sensor with different bimetallic combination consist of Au, Ag, Cu and Al. Lastly, we can get a conclusion that the sensor with L=5mm,d=25nm, θ=88° and Au-Ag at x=0.8 can provide the best performance in terms of the sensitivity and operating range.

Citation Download Citation

Yaobo Liu, Yueming Liu, and Liaolin Hu "Theoretical analysis of D-type optical fiber sensor with a bimetallic layer", Proc. SPIE 7157, 2008 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications, 71570K (2 February 2009); https://doi.org/10.1117/12.806402

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