Plasmonic nanostructured chips for chemical and biological sensing in the UV-regime

Kaleem Ahmed; Ajay Kumar Agrawal; Senthil Subramanian; Abhijit Das; Anuj Dhawan

doi:10.1117/12.2511073

4 March 2019 Plasmonic nanostructured chips for chemical and biological sensing in the UV-regime

Kaleem Ahmed, Ajay Kumar Agrawal, Senthil Subramanian, Abhijit Das, Anuj Dhawan

Proceedings Volume 10890, Label-free Biomedical Imaging and Sensing (LBIS) 2019; 108902Q (2019) https://doi.org/10.1117/12.2511073
Event: SPIE BiOS, 2019, San Francisco, California, United States

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.

Citation Download Citation

Kaleem Ahmed, Ajay Kumar Agrawal, Senthil Subramanian, Abhijit Das, and Anuj Dhawan "Plasmonic nanostructured chips for chemical and biological sensing in the UV-regime", Proc. SPIE 10890, Label-free Biomedical Imaging and Sensing (LBIS) 2019, 108902Q (4 March 2019); https://doi.org/10.1117/12.2511073

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