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Proceedings Paper

Single split gap resonator based terahertz metamaterials for refractive index sensing
Author(s): S. Jagan Mohan Rao; Maidul Islam; Gagan Kumar; Bishnu P. Pal; Dibakar Roy Chowdhury
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Paper Abstract

We have numerically demonstrated refractive index sensing using terahertz metamaterials comprised of single split gap resonators. Sensing capabilities of odd and even order resonance modes are precisely investigated. In this scheme the top surface of metamaterials array is covered with a thin layer of polyimide whose refractive could be changed manually. The sensitivity and corresponding figure of merit (FoM) of several lowest order modes are examined with respect to the different thicknesses of the coated polyimide film. We have investigated the electric field distributions at different resonances for the MMs. Although we have mainly focused on refractive index sensing but this study could be extremely useful for the development of metamaterials based sensing devices, bio-sensors etc.

Paper Details

Date Published: 23 February 2018
PDF: 7 pages
Proc. SPIE 10531, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI, 105311K (23 February 2018); doi: 10.1117/12.2287320
Show Author Affiliations
S. Jagan Mohan Rao, Indian Institute of Technology Guwahati (India)
Maidul Islam, Indian Institute of Technology Guwahati (India)
Gagan Kumar, Indian Institute of Technology Guwahati (India)
Bishnu P. Pal, Bennett Univ. (India)
Dibakar Roy Chowdhury, Mahindra École Centrale (India)


Published in SPIE Proceedings Vol. 10531:
Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XI
Laurence P. Sadwick; Tianxin Yang, Editor(s)

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