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Numerical simulation of self-mixing interference for velocity measurement in erbium doped distributed Bragg reflector fiber laser
Yue Xiumei 1,Jingyu Yang 2,Liang Lu 2 *,Benli Yu 2
1.Physics School,Anhui Universtiy, HeFei 230039
2.Physics School,Anhui Universtiy
*Correspondence author
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Funding: the Specialized Research Fund for the Doctoral Program of Higher Education of China （No.Grant no. 20103401120001）, the Natural Science Fund of Anhui Province（No.Grant no. 1208085QF110）, the National Natural Science Foundation of China（No.Grant No. 60908035）
Opened online:14 August 2012
Accepted by: none
Citation: Yue Xiumei ,Jingyu Yang,Liang Lu.Numerical simulation of self-mixing interference for velocity measurement in erbium doped distributed Bragg reflector fiber laser[OL]. [14 August 2012] http://en.paper.edu.cn/en_releasepaper/content/4486480
 
 
An analytical model for self-mixing interference based on erbium doped fiber laser is presented. The reflected or backscattered beam was introduced in the form of seed light. In this paper, we present a new procedure for solving numerically transcendental equation problem with standard root-finding technique, and obtained the emitted power of the laser in the self-mixing system. The self-mixing signal of velocity measurement under different parameters was also studied in detail.
Keywords:laser sensors; optical measurement; self-mixing; distributed Bragg reflector (DBR) fiber laser
 
 
 

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