Active Radiation Hardening Technology for Fiber-Optic Source

被引：2
|
作者：
Yang, Yuanhong [1 ,2 ]
Suo, Xinxin [1 ,2 ]
Yang, Minwei [2 ]
机构：
[1] Beihang Univ, Lab Inertial Sci & Technol, Beijing 100191, Peoples R China
[2] Beihang Univ, Lab Precis Optomechatron Technol, Beijing 100191, Peoples R China
来源：
FOURTH ASIA PACIFIC OPTICAL SENSORS CONFERENCE | 2013年 / 8924卷
关键词：
erbium-doped fiber; radiation hardening technology; radiation induced attenuation (RIA);
D O I：
10.1117/12.2034242
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
We demonstrated an active radiation hardening technology for fiber optic source developed for high performance fiber optic gyroscope. The radiation characteristic of erbium-doped fiber was studied experimentally. The radiation induced attenuation (RIA) at 980nm pump light was identified to be the main reason for the degradation and there was photo-bleaching effect in EDF too. A variable parameters control technology was proposed and taken to keep the 980nm and 1550nm light energy stable and high stability and radiation-resistance fiber source with gauss profile spectrum was realized. The source can stand against more than 50 krad (Si) total radiation dose.
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页数：4
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