A Poly(vinyl alcohol) Coating Method for a Tilted-Fiber Bragg-Grating-Assisted Fiber Hygrometer

被引：4
|
作者：
Dolzhenko, Egor I. [1 ]
Tomyshev, Kirill [1 ]
Butov, Oleg V. [1 ]
机构：
[1] Russian Acad Sci, Kotelnikov Inst Radioengn & Elect, Lab Fiber Opt Technol, Mokhovaya 11-7, Moscow 125009, Russia
来源：
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS | 2020年 / 14卷 / 12期
基金：
俄罗斯基础研究基金会;
关键词：
fiber hygrometers; fiber optics; humidity sensors; poly(vinyl alcohol); sensorics; tilted fiber Bragg gratings; HUMIDITY; SENSOR;
D O I：
10.1002/pssr.202000435
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new technique of depositing a poly(vinyl alcohol) (PVA) coating with an airbrush on the cylindrical surface of an optical fiber with real-time spectral monitoring is presented. The method is applied for creating hygroscopic PVA coating as a part of the tilted-fiber Bragg-grating (TFBG)-assisted fiber hygrometer samples. By monitoring the transmission spectra of the samples placed in a climatic chamber with variable relative humidity, the performance of the resulting coating is evaluated. Experimental data are presented, demonstrating the effectiveness of the described technique for humidity-sensing purposes.
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页数：3
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