Multicomponent heterodyne laser Doppleranemometer using chirp-modulated Nd:YAG ringlaser and fibre delay lines
- 17 August 1995
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 31 (17) , 1428-1430
- https://doi.org/10.1049/el:19951011
Abstract
A two-dimensional directional laser Doppler anemometer using a frequency modulated Nd:YAG laser is presented for the first time. The magnitude and sign of the fluid velocity were determined by employing the heterodyne technique without having to use an external frequency shifter.Keywords
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