Title :
Enhancing refractive index sensing capability with infrared plasmonic perfect absorbers
Author :
Fei Cheng ; Xiaodong Yang ; Jie Gao
Author_Institution :
Dept. of Mech. & Aerosp. Eng., Missouri Univ. of Sci. & Technol., Rolla, MO, USA
Abstract :
We experimentally demonstrate an infrared refractive index sensor based on plasmonic perfect absorbers for glucose concentration sensing, with the figure of merit (FOM*) around 55 and a bulk wavelength sensitivity around 600 nm/RIU.
Keywords :
infrared detectors; refractive index measurement; sugar; bulk wavelength sensitivity; figure of merit; glucose concentration sensing; infrared plasmonic perfect absorbers; refractive index sensing capability; Plasmons; Reflection; Refractive index; Resonant frequency; Sensitivity; Sensors; Sugar;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
