Demonstration of high extinction ratio modal interference in a two-mode fiber and its applications for all-fiber comb filter and high-temperature sensor

被引：35

作者：

Li, Q ^{[1
]}

Lin, CH ^{[1
]}

Tseng, PY ^{[1
]}

Lee, HP ^{[1
]}

机构：

[1] Univ Calif Irvine, Henry Samueli Sch Engn, Dept Elect Engn & Comp Sci, Irvine, CA 92697 USA

来源：

OPTICS COMMUNICATIONS | 2005年 / 250卷 / 4-6期

关键词：

optical fibers; optical filters; optical sensors;

D O I：

10.1016/j.optcom.2005.02.030

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We show that high extinction ratio (> 20 dB) modal interference in a two-mode dispersion compensating fiber can be utilized to build a compact, easy-to-fabricate tunable all-fiber optical comb filter. Wavelength tunability over the full free spectral range of the comb filter is demonstrated with an electrical power of 115mW using an on-fiber thin film micro-heater deposited directly on the fiber. In another configuration, the comb filter is used as a temperature sensor with dynamic range of > 300 degrees C and sensitivity of < 0.1 degrees C. The temperature sensor is capable of measuring a temperature as high as 500 degrees C. (c) 2005 Elseiver B.V. All rights reserved.

引用

页码：280 / 285

页数：6

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