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Regular | Open Access

Variable Configuration Fiber Optic Laser Doppler Vibrometer System

Julio E. POSADA-ROMAN1, David A. JACKSON2( ), Jose A. GARCIA-SOUTO1
Department of Electronics Technology, GOTL University Carlos Ⅲ de Madrid, Butarque 15, 28911, Leganés, Madrid, Spain
Applied Optics Group, School of Physical Sciences, University of Canterbury, Kent, CT2 7NH, UK
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Abstract

A multichannel heterodyne fiber optic vibrometer is demonstrated which can be operated at ranges in excess of 50m. The system is designed to measure periodic signals, impacts, rotation, 3D strain, and vibration mapping. The displacement resolution of each channel exceeds 1 nm. The outputs from all channels are simultaneous, and the number of channels can be increased by using optical switches.

Keywords

Laser Dopplervibrationdigital processingnanometer resolutionmultiplexingoptical fiber

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Photonic Sensors
Volume 6 Issue 2,
June 2016
Pages 97-106
DOI: 10.1007/s13320-016-0293-0

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Cite this article:
POSADA-ROMAN JE, JACKSON DA, GARCIA-SOUTO JA. Variable Configuration Fiber Optic Laser Doppler Vibrometer System. Photonic Sensors, 2016, 6(2): 97-106. https://doi.org/10.1007/s13320-016-0293-0

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Received: 11 December 2015
Revised: 04 March 2016
Published: 18 March 2016
© The Author(s) 2016.

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.