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Proceedings Paper

Comparison of different photoresist buffer layers in SPR sensors based on D-shaped POF and gold film
Author(s): Nunzio Cennamo; Maria Pesavento; Letizia De Maria; Ramona Galatus; Francesco Mattiello; Luigi Zeni
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Paper Abstract

A comparative analysis of two optical fiber sensing platforms is presented. The sensors are based on surface plasmon resonance (SPR) in a D–shaped plastic optical fiber (POF) with a photoresist buffer layer between the exposed POF core and the thin gold film. We show how the sensor's performances change when the photoresist layer changes. The photoresist layers proposed in this analysis are SU-8 3005 and S1813. The experimental results are congruent with the numerical studies and it is instrumental for chemical and bio-chemical applications. Usually, the photoresist layer is required in order to increase the performance of the SPR-POF sensor.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103234F (23 April 2017); doi: 10.1117/12.2265603
Show Author Affiliations
Nunzio Cennamo, Seconda Univ. degli Studi di Napoli (Italy)
Maria Pesavento, Univ. degli Studi di Pavia (Italy)
Letizia De Maria, RSE S.p.A. (Italy)
Ramona Galatus, Univ. of Cluj Napoca (Romania)
Francesco Mattiello, Seconda Univ. degli Studi di Napoli (Italy)
Luigi Zeni, Seconda Univ. degli Studi di Napoli (Italy)

Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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