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High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm

A surface plasmon resonance (SPR) based sensor is proposed and demonstrated for operation in the 1500 nm region. The sensor operates by the immersion of microfibers with a 25-μm diameter waist in chemical solutions that have varying external effective refractive indices. The sensor is fabricated usi...

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Main Authors: Ahmad, Harith, Amiri, I.S., Soltanian, M.R.K., Narimani, L., Zakaria, Rozalina, Ismail, Mohammad Faizal, Thambiratnam, K.
Format: Article
Published: American Scientific Publishers 2017
Subjects:
Q Science (General)
Online Access:http://eprints.um.edu.my/17655/
http://dx.doi.org/10.1166/mex.2017.1353
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spelling my.um.eprints.176552018-10-11T03:32:29Z http://eprints.um.edu.my/17655/ High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm Ahmad, Harith Amiri, I.S. Soltanian, M.R.K. Narimani, L. Zakaria, Rozalina Ismail, Mohammad Faizal Thambiratnam, K. Q Science (General) A surface plasmon resonance (SPR) based sensor is proposed and demonstrated for operation in the 1500 nm region. The sensor operates by the immersion of microfibers with a 25-μm diameter waist in chemical solutions that have varying external effective refractive indices. The sensor is fabricated using a homemade single-mode tapered fiber with a uniform waist coated on all sides with a gold layer approximately 45 nm thick by means of a vacuum electron beam evaporator machine. The transmission dips in the sensor’s optical spectrum are highly responsive to any perturbations in the external medium refractive index, thus providing high sensitivity. The proposed sensor system has multiple potential applications in biological and chemical constituent and reaction measurements. American Scientific Publishers 2017 Article PeerReviewed Ahmad, Harith and Amiri, I.S. and Soltanian, M.R.K. and Narimani, L. and Zakaria, Rozalina and Ismail, Mohammad Faizal and Thambiratnam, K. (2017) High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm. Materials Express, 7 (2). pp. 145-150. ISSN 2158-5849 http://dx.doi.org/10.1166/mex.2017.1353 doi:10.1166/mex.2017.1353
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic Q Science (General)
spellingShingle Q Science (General)
Ahmad, Harith
Amiri, I.S.
Soltanian, M.R.K.
Narimani, L.
Zakaria, Rozalina
Ismail, Mohammad Faizal
Thambiratnam, K.
High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm
description A surface plasmon resonance (SPR) based sensor is proposed and demonstrated for operation in the 1500 nm region. The sensor operates by the immersion of microfibers with a 25-μm diameter waist in chemical solutions that have varying external effective refractive indices. The sensor is fabricated using a homemade single-mode tapered fiber with a uniform waist coated on all sides with a gold layer approximately 45 nm thick by means of a vacuum electron beam evaporator machine. The transmission dips in the sensor’s optical spectrum are highly responsive to any perturbations in the external medium refractive index, thus providing high sensitivity. The proposed sensor system has multiple potential applications in biological and chemical constituent and reaction measurements.
format Article
author Ahmad, Harith
Amiri, I.S.
Soltanian, M.R.K.
Narimani, L.
Zakaria, Rozalina
Ismail, Mohammad Faizal
Thambiratnam, K.
author_facet Ahmad, Harith
Amiri, I.S.
Soltanian, M.R.K.
Narimani, L.
Zakaria, Rozalina
Ismail, Mohammad Faizal
Thambiratnam, K.
author_sort Ahmad, Harith
title High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm
title_short High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm
title_full High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm
title_fullStr High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm
title_full_unstemmed High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm
title_sort high sensitivity surface plasmon resonance (spr) refractive index sensor in 1.5 μm
publisher American Scientific Publishers
publishDate 2017
url http://eprints.um.edu.my/17655/
http://dx.doi.org/10.1166/mex.2017.1353
_version_ 1643690480994615296
score 13.211869

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