Design Model of Intensity Modulation Type Displacement sensor Using Step-index Mullimode Optical Fiber

被引：0

作者：

Shin, Woo-Cheol ^{[1
]}

Hong, Jun-Hee ^{[2
]}

机构：

[1] Korea Inst Machinery & Mat, Intelligent Machine Syst Ctr, 171 Jang Dong, Daejon 305343, South Korea

[2] Chungnam Natl Univ, BK2I Mech Grp, Dept Mech Engn, Daejon 305764, South Korea

来源：

KOREAN JOURNAL OF OPTICS AND PHOTONICS | 2006年 / 17卷 / 06期

关键词：

Intensity modulation; Optical fiber sensor; Step index multimode optical fiber;

D O I：

暂无

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An optical fiber displacement sensor has the advantages of relatively simplicity, cheap, small probe size and immunity against environmental perturbation. The working principle of the sensor is based on the intensity modulation that is detection light intensity reflecting from the surface being measured. This paper presents the mathematical model of displacement measurement mechanism of this sensor type. The theoretical and experimental data are compared to verify the model in describing the realistic approach to sensor design. Finally, the analysis results show that displacement response characteristics such as sensitivity, measuring range are easily modified by principal design parameters such as magnitude of optical power, diameter of optical fiber core and distance between transmitting fiber and receiving fiber.

引用

页码：500 / 506

页数：7

共 36 条

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