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| Content Provider | Springer Nature Link |
|---|---|
| Author | Mitsushio, Masaru Masunaga, Takuro Higo, Morihide |
| Copyright Year | 2013 |
| Abstract | The response curves of gold (Au)-deposited surface plasmon resonance-based glass rod sensors were calculated using a three-layer Fresnel equation while considering various parameters for the sensor system calculations. Au films with thicknesses of 30, 45, and 70 nm were deposited on half of the surfaces of the glass rods, which were 2 mm in diameter, with a deposition length of 100 mm. Sensor elements with Au film thicknesses of 45 nm on glass rods with diameters of 1 and 4 mm and with deposition lengths of 10, 20, and 50 mm were also prepared. The sensor system consists of a light-emitting diode (LED) with a wavelength of 654 nm as the light source with a mini-spectrometer as the detector. The LED intensity distribution, the range of the angle of incidence of light into the sensor element, and the thickness distributions of the Au films deposited on the glass rods were considered to be the important parameters for the calculations. The minimum positions of all the theoretical response curves agreed well with those of the experimental response curves within the limits of the experimental and theoretical uncertainties. Most of the overall response characteristics of the theoretical curves agreed well with those of the experimental curves within the limits of both types of uncertainty. It was found that the thickness distribution of the deposited Au film in the cross-sectional direction dominates the sensor response and thus is the most important parameter for calculation of the sensor properties. The agreements between the experimental and theoretical response curves indicate both the potential and the usefulness of the sensor performance estimation process based on the three-layer Fresnel equation. |
| Starting Page | 451 |
| Ending Page | 459 |
| Page Count | 9 |
| File Format | |
| ISSN | 15571955 |
| Journal | Plasmonics |
| Volume Number | 9 |
| Issue Number | 2 |
| e-ISSN | 15571963 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-11-28 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Surface plasmon resonance Au-deposited SPR glass rod sensor Three-layer Fresnel equation Biotechnology Nanotechnology Biophysics and Biological Physics Biochemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Biochemistry Biophysics Biotechnology |
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