All optic-fiber coupled plasmon waveguide resonance sensor using ZrS2 based dielectric layer | Zendy

Jinying Ma | Zendy; Kun Liu | Zendy; Junfeng Jiang | Zendy; Tianhua Xu | Zendy; Shuang Wang | Zendy; Pengxiang Chang | Zendy; Zhao Zhang | Zendy; Jiahang Zhang | Zendy; Tiegen Liu | Zendy

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All optic-fiber coupled plasmon waveguide resonance sensor using ZrS₂ based dielectric layer

Author(s) -

Jinying Ma,

Kun Liu,

Junfeng Jiang,

Tianhua Xu,

Shuang Wang,

Pengxiang Chang,

Zhao Zhang,

Jiahang Zhang,

Tiegen Liu

Publication year - 2020

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.389279

Subject(s) - materials science , optics , surface plasmon resonance , optical fiber , dielectric , resonance (particle physics) , layer (electronics) , waveguide , fiber optic sensor , plasmon , optoelectronics , surface plasmon , physics , nanotechnology , nanoparticle , atomic physics

We developed an all optic-fiber coupled plasmon waveguide resonance (CPWR) sensor using a zirconium disulfide (ZrS 2 ) based dielectric layer. The dielectric constants of ZrS 2 were obtained using first-principles calculations. The theoretical model of the proposed sensor was established based on the transfer matrix method, leading to the optimization of the parameters in the sensor. The sensor was fabricated by depositing a gold layer of 35 nm on the fiber core and immobilizing the ZrS 2 layer on the gold layer via physical adsorption method. An experimental setup was implemented for measuring the refractive index. The sensor with two cycles showed the best performance, with a sensitivity of higher than 8000 nm/RIU.

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