期刊
SENSORS
卷 13, 期 1, 页码 721-735出版社
MDPI
DOI: 10.3390/s130100721
关键词
plastic optical fiber; Surface Plasmon Resonance
资金
- MONICA [PON01_01525]
- project Development and support of multidisciplinary postdoctoral programmes in major technical areas of national strategy of Research-Development-Innovation 4D-POSTDOC [POSDRU/89/1.5/S/52603]
- European Social Fund through Sectoral Operational Programme Human Resources Development
In silica optical fiber Surface Plasmon Resonance (SPR)-based sensors, an increase in fiber core diameter produces a corresponding increase in the sensitivity and Signal to Noise Ratio (SNR). In Plastic Optical Fiber (POF) realized in PMMA there are different influences of design parameters on the performance, as both sensitivity and SNR are concerned. In particular, the SNR, for different refractive index values of the analyte, in a 250 mu m diameter POF is greater than the one in 1,000 mu m diameter POF. On the other hand, the sensitivity, for the same refractive index values of the analyte, in a 1,000 mu m diameter POF is greater than the one in a 250 mu m diameter POF. The results of an experimental analysis demonstrating the above behavior are reported.
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