Experimental verification of laser Doppler effect

WANG Yan; CHEN Jia-bi; ZHUANG Song-lin

doi:10.3969/j.issn.1001-3806.2010.02.008

LASER TECHNOLOGY > 2010 > 34(2): 170-172. > DOI: 10.3969/j.issn.1001-3806.2010.02.008

WANG Yan, CHEN Jia-bi, ZHUANG Song-lin. Experimental verification of laser Doppler effect[J]. LASER TECHNOLOGY, 2010, 34(2): 170-172. DOI: 10.3969/j.issn.1001-3806.2010.02.008

Citation:

WANG Yan, CHEN Jia-bi, ZHUANG Song-lin. Experimental verification of laser Doppler effect[J]. LASER TECHNOLOGY, 2010, 34(2): 170-172. DOI: 10.3969/j.issn.1001-3806.2010.02.008

Citation:

WANG Yan, CHEN Jia-bi, ZHUANG Song-lin. Experimental verification of laser Doppler effect[J]. LASER TECHNOLOGY, 2010, 34(2): 170-172. DOI: 10.3969/j.issn.1001-3806.2010.02.008

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Experimental verification of laser Doppler effect

1.
College of Optics and Electronic Information Engineering, Shanghai University of Science and Technology, Shanghai 200093, China;
2.
College of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330022, China

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Received Date: December 28, 2008
Revised Date: February 22, 2009
Published Date: March 24, 2010

Graphical Abstract

Abstract

Abstract

In order to study laser Doppler effect, a simple experimental system was set up to measure Doppler effect by means of laser heterodyne interferometer technique.Two sets of experimental data were obtained.At 0.2mm/s of uniform moving velocity,the theoretical and tested beat frequency is 316.0556Hz and 312.0434Hz respectively.At 0.1mm/s of uniform moving velocity,the theoretical and tested beat frequency is 158.0278Hz and 151.6055Hz respectively.Measurement results clearly show the effectiveness of the proposed setup and the simple optical system would be a new and interesting aid for the experiment teaching of classical optics.
- laser optics,
- Doppler effect,
- heterodyne interfereometry,
- heat frequency,
- frequency shift

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