[1]郝 辉,何向东,郭冬梅.光纤激光器自混合干涉微位移测量研究[J].南京师大学报(自然科学版),2014,37(04):46.
　Hao Hui,He Xiangdong,Guo Dongmei.Micro-displace Measurement Based on Self-mixing Interferenceof Fiber Laser[J].Journal of Nanjing Normal University(Natural Science Edition),2014,37(04):46.
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光纤激光器自混合干涉微位移测量研究()
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第37卷
期数:
2014年04期
页码:
46
栏目:
物理学
出版日期:
2014-12-31

文章信息/Info

Title:
Micro-displace Measurement Based on Self-mixing Interferenceof Fiber Laser
作者:
郝 辉; 何向东; 郭冬梅
南京师范大学物理科学与技术学院,江苏省光电技术重点实验室,南京 210023
Author(s):
Hao Hui; He Xiangdong; Guo Dongmei
Jiangsu Key Lab on Opto-Electronic Technology,School of Physics and Technology,Nanjing Normal University,Nanjing 210023,China
关键词:
自混合干涉; 光纤激光器; 微位移测量; 相位调制
Keywords:
self-mixing interference; fiber laser; micro-displace measurement; phase modulation
分类号:
TN24
文献标志码:
A
摘要:
研究了光纤激光器自混合干涉效应测量微位移的方法.为提高自混合干涉的微位移传感测量精度,将正弦相位调制方法引入光纤激光器自混合干涉测量.光纤激光器外腔中使用相位调制器调制自混合干涉信号.采用四象限积分技术解调外腔相位得到位移测量结果,与高精度微位移平台位移参数对比,验证传感测量方法的可行性.位移测量精度远优于半个波长.此方法对全光纤高精度位移传感应用有重要意义.
Abstract:
Micro-displacement measurement based on self-mixing interference using a fiber laser system is demonstrated.Sinusoidal phase modulation technique is introduced into the fiber laser self-mixing interference measurement system to improve the measurement resolution.The phase can be demodulated by four-integrating-bucket method.Error sources are evaluated in detail,and the system is experimentally applied to reconstruct the motion of a high-precision commercial translation stage.The displacement measurement accuracy is well beyond one half wavelength.It provides a practically solution for displacement measurement based on all fiber sensing applications with high precision.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-07-13.
基金项目:江苏省自然科学基金(BK20140925)、江苏省高校自然科学研究项目(14KJB510015).
通讯联系人:何向东,讲师,研究方向:光电子技术.E-mail:hexiangdong@njnu.edu.cn
更新日期/Last Update: 2014-12-31