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Laser Doppler Anemometry

by mm391
Tags: anemometry, doppler, laser
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mm391
#1
Sep17-13, 07:14 AM
P: 63
Hello,

I was hoping someone might be able to help explain what the following are, I have found many articles but non which explain it in Lehman's terms:

Probe Volume
Bragg Cells

Also can someone explain how the effect of varying beam angle is not under our control, but it can tell us about uncertainties?

Many Thanks

M
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Baluncore
#2
Sep18-13, 07:00 AM
Sci Advisor
Thanks
P: 1,758
http://en.wikipedia.org/wiki/Laser_Doppler_velocimetry

Bragg Cell = Acousto-optic modulator http://en.wikipedia.org/wiki/Bragg_Cell

Probe volume is the volume of fluid that affects the light.


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