Metallic grating on a D-shaped fiber for refractive index sensing

Hai Tao Yan; Qi Liu; Yang Ming; Wei Luo; Ye Chen; Yan Qing Lu

doi:10.1109/JPHOT.2013.2284244

Metallic grating on a D-shaped fiber for refractive index sensing

Hai Tao Yan, Qi Liu, Yang Ming, Wei Luo, Ye Chen, Yan Qing Lu

Research output: Journal article publication › Journal article › Academic research › peer-review

30 Citations (Scopus)

Abstract

Metallic grating (MG) with high accuracy is fabricated on the side surface of a D-shaped fiber by using focused ion beam (FIB) machining. The D-shaped fiber is obtained through polishing the cladding of a single-mode fiber away from one side. Then, a thin-film layer of gold is deposited on the flat side surface. A 38-μ m-long grating with the pitch of 485 nm is further milled on the gold film. The guiding mode and the surface plasmon polariton mode are thus coupled in the MG through the evanescent field for sensing applications. The refractive indexes of pure water and isopropanol are measured. A sensitivity of 917 nm/RIU is obtained.

Original language	English
Article number	6623191
Journal	IEEE Photonics Journal
Volume	5
Issue number	5
DOIs	https://doi.org/10.1109/JPHOT.2013.2284244
Publication status	Published - Oct 2013
Externally published	Yes

Keywords

D-shaped fiber
Metallic grating (MG)
sensor

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

More information

10.1109/JPHOT.2013.2284244

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abstract = "Metallic grating (MG) with high accuracy is fabricated on the side surface of a D-shaped fiber by using focused ion beam (FIB) machining. The D-shaped fiber is obtained through polishing the cladding of a single-mode fiber away from one side. Then, a thin-film layer of gold is deposited on the flat side surface. A 38-μ m-long grating with the pitch of 485 nm is further milled on the gold film. The guiding mode and the surface plasmon polariton mode are thus coupled in the MG through the evanescent field for sensing applications. The refractive indexes of pure water and isopropanol are measured. A sensitivity of 917 nm/RIU is obtained.",

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AU - Yan, Hai Tao

AU - Liu, Qi

AU - Ming, Yang

AU - Luo, Wei

AU - Chen, Ye

AU - Lu, Yan Qing

PY - 2013/10

Y1 - 2013/10

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AB - Metallic grating (MG) with high accuracy is fabricated on the side surface of a D-shaped fiber by using focused ion beam (FIB) machining. The D-shaped fiber is obtained through polishing the cladding of a single-mode fiber away from one side. Then, a thin-film layer of gold is deposited on the flat side surface. A 38-μ m-long grating with the pitch of 485 nm is further milled on the gold film. The guiding mode and the surface plasmon polariton mode are thus coupled in the MG through the evanescent field for sensing applications. The refractive indexes of pure water and isopropanol are measured. A sensitivity of 917 nm/RIU is obtained.

KW - D-shaped fiber

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KW - sensor

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DO - 10.1109/JPHOT.2013.2284244

M3 - Journal article

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JO - IEEE Photonics Journal

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Metallic grating on a D-shaped fiber for refractive index sensing

Abstract

Keywords

ASJC Scopus subject areas

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