摘要
光纤线管是光纤制导武器系统的重要组成部分,由于组成材料热膨胀系数之间的差异,精确缠绕样式的光纤线包性能会随温度变化而发生显著变化。为保证光纤线包结构稳定性及性能可靠性,需要对光纤线管各组成部分进行温度性能匹配研究。本文提出了一种基于双CCD相机的热膨胀系数测量系统。该系统采用非接触方式双光路成像放大采样,通过图像处理得出被试样品在某温度变化区间内的轴向膨胀量。利用该系统完成对脱轴裸线包、碳纤维芯轴、聚四氟乙烯调节层以及成品光纤线管的热膨胀系数测试分析,测试结果与理论分析和实际使用情况一致,验证了此试验测试方法的正确性与可行性。
The fiber-optical coil is an important part of fiber-optic guidance weapon system. Due to the difference of the coefficient of thermal expansion（CTE） between the different composition materials, the performance of the accurate winding fiber-optic coil will be significant changed by the temperature. It is necessary to research the temperature matching performance of the fiber-optic coil, in order to ensure the structural stability and performance reliability. This paper presents a system to test the CTE by the double CCD camera, which is a non-contact test method. It uses the double light patch imaging amplification and sampling technology and gets the sample＇s axial inflation volume in a temperature range by using the image processing method. In the paper, the test and analysis of the CTE of the off-spool fiber-optic coil, carbon fiber mandrel, polytetrafluoroethylene （PTFE） adjustment layer and the complete fiber-optic coil are finished by using the system. The results are the same in the theoretical analysis and the experiment, which proves that this test system is correct and feasible.
出处
《激光与光电子学进展》
CSCD
北大核心
2015年第9期86-91,共6页
Laser & Optoelectronics Progress
关键词
测量
光纤线管
热膨胀系数
双CCD相机
线轴
measurement
fiber-optic coil
coefficient of thermal expansion
double CCD camera
spool
