Fiber optic refractometric sensors using a semi-ellipsoidal sensing element

被引：4

作者：

Castro Martinez, Amalia Nallely ^{[1
]}

Komanec, Matej ^{[2
]}

Nemecek, Tomas ^{[2
]}

Zvanovec, Stanislav ^{[2
]}

Khotiaintsev, Sergei ^{[1
]}

机构：

[1] Univ Nacl Autonoma Mexico, Fac Engn, Circuito Escolar Sn,Ciudad Univ, Mexico City 04510, DF, Mexico

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

来源：

APPLIED OPTICS | 2016年 / 55卷 / 10期

关键词：

REFRACTIVE-INDEX SENSOR; LIQUID-LEVEL; ABRUPT TAPER; INTERFEROMETER; ADULTERATION;

D O I：

10.1364/AO.55.002574

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present theoretical and experimental results for a fiber optic refractometric sensor employing a semi-ellipsoidal sensing element made of polymethyl methacrylate. The double internal reflection of light inside the element provides sensitivity to the refractive index of the external analyte. We demonstrate that the developed sensor, operating at a wavelength of 632 nm, is capable of measurement within a wide range of refractive indices from n = 1.00 to n = 1.47 with sensitivity over 500 dB/RIU. A comparison of the developed sensor with two more complex refractometric sensors, one based on tapered optical fiber and the other based on suspended-core microstructure optical fiber, is presented. (C) 2016 Optical Society of America

引用

页码：2574 / 2579

页数：6

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