Real time out-of-plane vibration measurement/monitoring using Talbot interferometry

被引：21

作者：

Prakash, S ^{[1
]}

Upadhyay, S ^{[1
]}

Shakher, C ^{[1
]}

机构：

[1] Indian Inst Technol, Instrument Design Dev Ctr, Laser Applicat & Holog Lab, Opt Sect, New Delhi 110016, India

来源：

OPTICS AND LASERS IN ENGINEERING | 2000年 / 33卷 / 04期

关键词：

Talbot interferometry; real time; vibration measurement; out-of-plane motion;

D O I：

10.1016/S0143-8166(00)00049-X

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In the present paper, application of Talbot interferometry for real-time vibration measurement is investigated. Experiments were conducted to measure/monitor out-of-plane motion of a vibrating loudspeaker membrane. Experimental results demonstrate that by using Talbot interferometry out-of-plane vibrations as well as phase lag between driving force and membrane oscillation can be measured. (C) 2000 Elsevier Science Ltd. All rights reserved.

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收藏

页码：251 / 259

页数：9

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