2 February 2009 Theoretical analysis of D-type optical fiber sensor with a bimetallic layer
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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.
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Yaobo Liu, Yueming Liu, 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); doi: 10.1117/12.806402; https://doi.org/10.1117/12.806402
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