Chitosan/Polyacrylic Acid Functionalized Side-Polish Polymer Optical Fiber-Based SPR Sensor for Cu<sup>2+</sup> Ion Detection

Chitosan/Polyacrylic Acid Functionalized Side-Polish Polymer Optical Fiber-Based SPR Sensor for Cu<sup>2+</sup> Ion Detection

A polymer optical fiber SPR sensor for detecting Cu<sup>2+</sup> ion concentration in water is proposed. The sensor employs a simple side-polish structure and realizes the detection of Cu<sup>2+</sup> ion concentration by employing the chitosan (CS)/polyacrylic acid (PAA) bil...

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Bibliographic Details
Main Authors: Chuanxin Teng, Rongping Yang, Shiyuan Ying, Hongyun Xia, Yuting Zhang, Liying Shi, Shijie Deng, Zining Chen, Hanli Qiao, Libo Yuan
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Photonics
Subjects:
surface plasmon resonance
polymer optical fiber
chitosan
Cu<sup>2+</sup> ion detection
Online Access:https://www.mdpi.com/2304-6732/12/5/461
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