High Temperature Long Period Grating Thermo-Mechanically Written

被引：3
|
作者：
Miguel Lazaro, Jose [1 ]
Quintela, Antonio [1 ]
Lopez-Higuera, Jose Miguel [1 ]
机构：
[1] Univ Cantabria, Photon Engn Grp, E-39005 Santander, Spain
来源：
SENSORS | 2009年 / 9卷 / 07期
关键词：
long period gratings; mechanical technique; fabrication; permanent LPG; high temperature sensor; CHEMICAL-COMPOSITION GRATINGS; OPTICAL-FIBER; BRAGG GRATINGS; STABILITY; SENSORS;
D O I：
10.3390/s90705649
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An optical fiber transducer able to work in high temperature environments is experimentally demonstrated in the laboratory. It is based on a permanent long period grating (LPG) written using a new technique based on a thermo-mechanical approach. Device precision was experimentally checked by means of repetitive thermal cycles between 25 and 950 degrees C. In addition device stability was assured by maintaining the temperature in steady state at 800 degrees C during 23 hours.
引用
收藏
页码：5649 / 5654
页数：6
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