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Proceedings Paper

Plasmonic nanostructured chips for chemical and biological sensing in the UV-regime
Author(s): Kaleem Ahmed; Ajay Kumar Agrawal; Senthil Subramanian; Abhijit Das; Anuj Dhawan
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Paper Abstract

We propose plasmonic nanogratings such that they have tunable plasmon resonances in far- and deep-UV wavelength ranges. These plasmonic nanostructures and nanogratings of different plasmonic materials have been simulated using Finite Difference Time Domain modeling and the Rigorous Coupled Wave Analysis. Application of these plasmonic nanostructures for surface plasmon resonance and localized surface plasmon resonance based sensing in the UV wavelength regime has been demonstrated by calculating the shifts in the plasmon resonance wavelength for changes in either the bulk refractive index or the localized refractive index of the medium next to the plasmonic structures.

Paper Details

Date Published: 4 March 2019
PDF: 6 pages
Proc. SPIE 10890, Label-free Biomedical Imaging and Sensing (LBIS) 2019, 108902Q (4 March 2019); doi: 10.1117/12.2511073
Show Author Affiliations
Kaleem Ahmed, Indian Institute of Technology Delhi (India)
Ajay Kumar Agrawal, Indian Institute of Technology Delhi (India)
Senthil Subramanian, Indian Institute of Technology Delhi (India)
Abhijit Das, Indian Institute of Technology Delhi (India)
Anuj Dhawan, Indian Institute of Technology Delhi (India)


Published in SPIE Proceedings Vol. 10890:
Label-free Biomedical Imaging and Sensing (LBIS) 2019
Natan T. Shaked; Oliver Hayden, Editor(s)

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