Transparent network for hybrid multiplexing of fiber Bragg gratings and intensity-modulated fiber-optic sensors

被引：4

作者：

Abad, S

Araújo, FM

Ferreira, LA

Santos, JL

López-Amo, M

机构：

[1] Univ Publ Navarra, Dept Ingn Elect & Elect, E-31006 Pamplona, Spain

[2] MultiWave Networks Portugal, P-4470605 Moreira Da Maia, Portugal

[3] Univ Porto, Dept Fis, P-4169007 Oporto, Portugal

[4] Inst Engn Sistemas & Comp Porto, Unidade Optoelect & Sistemas Elect, P-4169007 Oporto, Portugal

来源：

APPLIED OPTICS | 2003年 / 42卷 / 25期

关键词：

D O I：

10.1364/AO.42.005040

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A network for multiplexing fiber Bragg gratings (FBGs) and intensity-modulated fiber-optic sensors with no need to distinguish between the two kinds of sensor is proposed and experimentally demonstrated. Two FBG sensors and two intensity-modulated sensors are wavelength-division multiplexed; the electrical phase of the output signal is measured as a common parameter for both types of sensor. Furthermore, the intensity sensors become power referenced, and the FBG sensors are interrogated by a low-cost technique. Low cross talk is achieved by use of a tunable optical filter at the detector. (C) 2003 Optical Society of America.

引用

页码：5040 / 5045

页数：6

共 14 条

[1] Fiber Bragg grating-based self-referencing technique for wavelength-multiplexed intensity sensors [J].