A Fiber-Coupled Self-Mixing Laser Diode for the Measurement of Young's Modulus

被引：17

作者：

Lin, Ke ^{[1
]}

Yu, Yanguang ^{[1
]}

Xi, Jiangtao ^{[1
]}

Li, Huijun ^{[2
]}

Guo, Qinghua ^{[1
]}

Tong, Jun ^{[1
]}

Su, Lihong ^{[2
]}

机构：

[1] Univ Wollongong, Sch Elect Comp & Telecommun Engn, Northfields Ave, Wollongong, NSW 2522, Australia

[2] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Wollongong, NSW 2522, Australia

来源：

SENSORS | 2016年 / 16卷 / 06期

关键词：

fiber-coupled; self-mixing laser diode; self-mixing interferometry; fundamental resonant frequency; Young's modulus; LINEWIDTH-ENHANCEMENT FACTOR; ELASTIC-MODULUS; MOLDING COMPOUNDS; OPTICAL FEEDBACK; CANTILEVER BEAM; INTERFEROMETRY;

D O I：

10.3390/s16060928

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

This paper presents the design of a fiber-coupled self-mixing laser diode (SMLD) for non-contact and non-destructive measurement of Young's modulus. By the presented measuring system, the Young's modulus of aluminum 6061 and brass are measured as 70.0 GPa and 116.7 GPa, respectively, showing a good agreement within the standards in the literature and yielding a much smaller deviation and a higher repeatability compared with traditional tensile testing. Its fiber-coupled characteristics make the system quite easy to be installed in many application cases.

引用

页数：14

共 32 条

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