Radiation-induced effects in polarization-maintaining optical fibers for interferometric gyroscope

被引：0
|
作者：
王学勤 [1 ]
张春熹 [1 ]
金靖 [1 ]
宋凝芳 [1 ]
机构：
[1] Institute of Optics and Electronics, Beihang University
来源：
ChineseOpticsLetters | 2011年 / 9卷 / 06期
基金：
中国国家自然科学基金;
关键词：
IFOG; nm; Radiation-induced effects in polarization-maintaining optical fibers for interferometric gyroscope; RIA;
D O I：
暂无
中图分类号：
TN253 [光纤元件];
学科分类号：
摘要：
Radiation-induced attenuation (RIA) in four types of polarization-maintaining optical fibers for interfer-ometric fiberoptic gyroscope (IFOG) at 1310 nm is measured. The measurements are conducted during and after steady-state γ-ray irradiation using a 60 Co source in order to observe significantly different RIA behavior and recovery kinetics. Mechanisms involving dopants and manufacturing process are introduced to analyze the RIA discrepancy as well as to guide the choice and hardening of optical fibers during the design of IFOG. Medium-accuracy IFOG using Ge–F-codoped fiber and pure silica core fiber can survive in the space radiation environment.
引用
收藏
页码：21 / 23
页数：3
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