Design and development of long-period grating sensors for temperature monitoring

被引：9
|
作者：
Chaubey, Smita [1 ]
Joshi, Purushottam [1 ]
Kumar, Manoj
Arya, Rajesh
Nath, A. K.
Kher, Sanjay [1 ]
机构：
[1] Raja Ramanna Ctr Adv Technol, Fiber Opt Lab, SSLD, Indore 450213, Madhya Pradesh, India
来源：
SADHANA-ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES | 2007年 / 32卷 / 05期
关键词：
fibre sensor; long period gratings; fibre brag grating; refractive index;
D O I：
10.1007/s12046-007-0038-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Long Period Gratings (LPGs) have been developed using carbon dioxide laser in a standard optical fibre. LPGs with a periodicity of 600 mu m and grating length of 24 mm have been inscribed on standard single mode fibre. Such gratings have been used in designing temperature sensors and temperature is monitored up to 80 degrees C. The sensitivity of such type of sensor is 0.06 nm/degrees C where as for standard Fibre Bragg Grating (FBG) it is 0.011 nm/degrees C. The LPG performance is also evaluated after gamma-ray irradiation for total dose of 5 KGy and has not shown any effect on transmission spectrum.
引用
收藏
页码：513 / 519
页数：7
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