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Optimization of SERS Sensing With Micro-Lensed Optical Fibers and Au Nano-Film

We present the fabrication and characterization of optical fiber reflection probes based on surface-enhanced Raman scattering (SERS) and micro-lensed multimode fibers. For the SERS substrate, a nano-sphere lithography method is used. Comparison of SERS measurements with three different fiber probe configurations is presented. The proposed optimized structure shows a five times increase in SERS signal for dried Rhodamine 6G (R6G) and two times for aqueous R6G in comparison to a standard reflection configuration. Measurements of different concentrations of R6G in a water solution with an limit of detection (LOD) equal to 10 -7 M are demonstrated.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.38 No.7 April 1 2020

No. Panggil

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Penerbit

: .,

Deskripsi Fisik

p. 2081 - 2085

Bahasa

English

ISBN/ISSN

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Klasifikasi

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Tipe Isi

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Tipe Media

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Tipe Pembawa

-

Edisi

-

Subjek

FIBER OPTICS
NANOPARTICLES
OPTICAL SENSORS
NANOPHOTONICS
RAMAN SCATTERING

Info Detail Spesifik

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Pernyataan Tanggungjawab

Karolina Milenko, Silje S. Fuglerud, Astrid Aksnes, Reinold Ellingsen, Dag R. Hjelme

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