Novel sensing concept based on optical Tamm plasmon | Zendy

Weili Zhang | Zendy; Fen Wang | Zendy; Yunjiang Rao | Zendy; Yao Jiang | Zendy

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Novel sensing concept based on optical Tamm plasmon

Author(s) -

Weili Zhang,

Fen Wang,

Yunjiang Rao,

Yao Jiang

Publication year - 2014

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.014524

Subject(s) - refractive index , optics , distributed bragg reflector , materials science , plasmon , wavelength , reflection coefficient , dielectric , reflection (computer programming) , optoelectronics , surface plasmon , surface plasmon resonance , physics , nanotechnology , computer science , nanoparticle , programming language

This paper proposes a novel concept of refractive index sensing taking advantage of a high-refractive-index-contrast optical Tamm plasmon (OTP) structure, i.e., an air/dielectric alternate-layered distributed Bragg reflector (DBR) coated with metal. In the reflection spectrum of the structure, a dip related to the formation of OTP appears. The wavelength and reflectivity of this dip are sensitive to variation of ambient refractive index, which provides a potential way to realize refractive index sensing with a large measuring range and high sensitivity.

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