Packaging a fiber Bragg grating without preloading in a simple athermal bimaterial device

被引：24

作者：

Lo, YL ^{[1
]}

Kuo, CP ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Mech Engn, Tainan 70101, Taiwan

来源：

IEEE TRANSACTIONS ON ADVANCED PACKAGING | 2002年 / 25卷 / 01期

关键词：

fiber Bragg grating; optical fibers; packaging; temperature compensations;

D O I：

10.1109/TADVP.2002.1017685

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study presents two athermal packages for compensating for the temperature deviations in an optical fiber Bragg grating (FBG). Usually, a pre-loading mechanism is necessary in packaging the FBG onto bimaterial devices. However, through a unique bonding process design, the pre-loading mechanism in the packaging could be eliminated. During the manufacturing processes, AB thermally cured adhesive is used to affix the FBG to the device under a thermal state. In this way, the FBG affixed to the devices will be under tension when the temperature drops to room temperature. The devices can also be placed continuously under a thermal state after a thermal curing process for a pre-determined period of time to perform annealing on the FBG, and thereby, further simplifying the manufacturing process. As a result, the total variation in the Bragg wavelength over the range from -40 to +80 degreesC were around 0.1 nm in the two proposed athermal packages.

引用

页码：50 / 53

页数：4

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