S-Space College of Engineering/Engineering Practice School (공과대학/대학원) Dept. of Electrical and Computer Engineering (전기·정보공학부) Journal Papers (저널논문_전기·정보공학부)
Profile effect on the feasibility of extinction-based localized surface plasmon resonance biosensors with metallic nanowires
- Byun, Kyung Min; Kim, Sung June; Kim, Donghyun
- Issue Date
- Optical Society of America
- Appl. Opt. 45, 3382-3389 (2006)
- We investigate the effect of the cross-sectional profile of an array of metallic nanowires on the feasibility
of a localized surface plasmon resonance (LSPR) biosensor. Calculations were performed using rigorous
coupled-wave analysis with an emphasis on the extinction properties of the LSPR structure. The results
indicate that the nanowire structure, particularly that of a T-profile, delivers an extremely linear sensing
performance over a wide range of the target refractive index with much enhanced sensitivity. The
extinction-based LSPR structure also involves a relatively large dimension and thus is expected to
provide a feasible biosensor using current semiconductor technology.
- 0003-6935 (print)
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