Duplex self-mixing interference based on ultra-narrow linewidth fiber ring laser

被引：6

作者：

Du, Zhengting ^{[1
]}

Lu, Liang ^{[1
]}

Wu, Shuang ^{[1
]}

Zhang, Wenhua ^{[1
]}

Yang, Bo ^{[1
]}

Xiang, Rong ^{[1
]}

Cao, Zhigang ^{[1
]}

Gui, Huaqiao ^{[2
]}

Liu, Jianguo ^{[2
]}

Yu, Benli ^{[1
]}

机构：

[1] Anhui Univ, Key Lab Optoelect Informat Acquisit & Manipulat, Minist Educ, Hefei 230601, Peoples R China

[2] Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2014年 / 325卷

基金：

中国国家自然科学基金;

关键词：

Fiber laser; Self-mixing; Laser sensor;

D O I：

10.1016/j.optcom.2014.03.070

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel duplex self mixing interference based on ultra narrow linewidth fiber ring laser is investigated. Dense Wavelength Division Multiplexing (DWDM) is applied to add drop the dual channel vibration signal into the fiber laser. Meanwhile, the output power with optical feedback is theoretically deduced which can not only be interpreted by the well known expression of sell mixing interference but the combination of self mixing interference and mode competition. Experimental results show that different movements of each channel detected from the dual channel fiber laser self mixing interference system are in good agreement with theoretical analysis. Furthermore, a novel system measuring 2-dimensional vibration is introduced in this paper and its potential application to self mixing interference measurement system for high sensitivity, remote and multi dimensional measurement is shown. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：60 / 67

页数：8

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