A chitosan-coated humidity sensor based on Mach-Zehnder interferometer with waist-enlarged fusion bitapers

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• 作者：Kai Ni^a ; ^b ; ^{zjnk2004@hotmail.com} ; Chi Chiu Chan^b ; Lihan Chen^b ; Xinyong Dong^a ; Ran Huang^a ; Qifei Ma^a
• 关键词：Fiber-optic humidity sensor ; Chitosan ; Mach-Zehnder interferometer ; Waist-enlarged fusion bitaper
• 刊名：Optical Fiber Technology
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：33
• 期：Complete
• 页码：56-59
• 全文大小：888 K
• 卷排序：33

文摘

The proposed sensor has high humidity sensitivity of −119.6 pm/RH and resolution of ∼0.17 RH within the RH range from 10% to 90%. The proposed sensor has advantages of low-cost, robustness, and low temperature sensitivity. It is very suitable for use as remote single-point monitoring biosensors or disposable low-cost fiber-optic bioprobes. The chitosan coat has good biocompatibility for future in vivo biomedical applications such as immunosensing and DNA hybridization detections.