Fiber Bragg grating sensor interrogation system using a CCD side detection method with superimposed blazed gratings

被引：23

作者：

Zhou, K ^{[1
]}

Simpson, AG ^{[1
]}

Chen, X ^{[1
]}

Zhang, L ^{[1
]}

Bennion, I ^{[1
]}

机构：

[1] Aston Univ, Photon Res Grp, Birmingham B4 7ET, W Midlands, England

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

fiber gratings; optical coupling; optical fiber radiation; effect; sensors; wavelength-division multiplexing (WDM);

D O I：

10.1109/LPT.2004.826769

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present, for the first time to our knowledge, experimental evidence showing that superimposed blazed fiber Bragg gratings may be fabricated and used to extend the dynamic range of a grating-based spectrometer. Blazed gratings of 4degrees and 8degrees were superimposed in germanosilicate fiber by ultraviolet inscription and used in conjunction with a coated charged-coupled device array to interrogate a wavelength-division-multiplexing sensor array. We show that the system can be used to monitor strain and temperature sensors simultaneously with an employable bandwidth which is extendedable to 70 nm.

引用

页码：1549 / 1551

页数：3

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