Suspended-core microstructured fiber for refractometric detection of liquids

被引：9

作者：

Nemecek, Tomas ^{[1
]}

Komanec, Matej ^{[1
]}

Martan, Tomas ^{[1
]}

Ahmad, Redwan ^{[1
]}

Zvanovec, Stanislav ^{[1
]}

机构：

[1] Czech Tech Univ, Fac Elect Engn, Dept Electromagnet Field, Tech 2, Prague 16627 6, Czech Republic

来源：

APPLIED OPTICS | 2015年 / 54卷 / 30期

关键词：

REFRACTIVE-INDEX; HIGH-RESOLUTION; OPTICAL-FIBERS; ALL-FIBER; SENSOR;

D O I：

10.1364/AO.54.008899

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A silica suspended-core microstructured optical fiber sensor for detection of liquids, operating at 1550 nm, is analyzed. The sensing principle is based on the evanescent wave overlap into a tested analyte, which is filled via capillary forces into the cladding holes. Validations for analytes in the refractive index range of 1.35-1.43 are carried out with liquid-analyte-filling-length limits being studied both theoretically and experimentally. We prove, for the first time to our knowledge, that an extreme sensitivity of 342.86 dB/RIU and resolution of 4.4 x 10(-5) can be achieved. This sensor represents a high-quality alternative for applications requiring a facile, low-cost solution. (C) 2015 Optical Society of America

引用

页码：8899 / 8903

页数：5

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