Teflon-coated fiber Bragg grating sensor for wide range of temperature measurements

被引：0
|
作者：
Reddy, P. Saidi [1 ]
Prasad, R. L. N. Sai [1 ]
Sengupta, D. [1 ]
Shankar, M. Sai [1 ]
Srimannarayana, K. [1 ]
机构：
[1] Natl Inst Technol, Dept Phys, Warangal 506004, Andhra Pradesh, India
来源：
JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2010年 / 12卷 / 10期
关键词：
Fiber Bragg grating; Polymer coating; Regeneration; Thermal stability; CRYOGENIC TEMPERATURE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Cryogenic temperature sensing has been demonstrated using FBGs with polymer coating of various thicknesses and the experimental results have been presented in this paper. Teflon coating applied on Fiber Bragg Gratings which are inscribed in silica fiber (TFBG) with coating thicknesses of 20 and 40 micrometers have been used in the present investigation. The Bragg wavelength was measured in the temperature range from -196 degrees C to 800 degrees C in the case of regular FBGs and TFBGs. TFBGs were found having better linearity and sensitivity compared with the response of regular uncoated FBGs.
引用
收藏
页码：2040 / 2043
页数：4
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