Refractive index sensor based on all-dielectric gradient metasurface
A new type of a refractive index sensor based on all-dielectric gradient metasurface was proposed and analyzed with making use of the finite element method (FEM). A new method of optical data processing which is based on intensity distribution over several diffraction orders was suggested. The inten...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2019-02-01
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| Series: | Sensing and Bio-Sensing Research |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214180418301387 |
| Summary: | A new type of a refractive index sensor based on all-dielectric gradient metasurface was proposed and analyzed with making use of the finite element method (FEM). A new method of optical data processing which is based on intensity distribution over several diffraction orders was suggested. The intensity sensitivity of 4450%/RIU and the phase sensitivity of 1200°/RIU were demonstrated. Keywords: All-dielectric metasurface, Refractive index sensor, Data processing, Nano-optics, Gradient metasurface |
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| ISSN: | 2214-1804 |