In this paper, a gold diffraction grating is used to generate surface Plasmon resonance using a ppolarized monochromatic incident signal $(\lambda = 650 nm)$ and a dimensional ratio between wavelength and spatial period of metallic grating less than the unit $(\lambda/\Lambda \lt 1)$ for gold/air interface. The surface Plasmon resonance was detected using the angular detection technique. The experimental results show that the resonance angle is $\approx$ 15.75° and it is close to the theoretical results calculated ($\approx$ 15.17°) for the gold diffraction grating. The preliminary results are important for the research and technical development of low-cost biosensors.
Experimental Results from Non-Sub-Wavelength Gold Grating-Coupled Surface Plasmon Resonance using a Monochromatic Signal for Gold/Air Interface as the base for Biosensors
01.11.2020
159893 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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