Abstract
In studies of turbulent flows and other self-similar flows, one is interested in measuring the velocity difference δv(r) = v(x) − v(x + r) over varying length r, rather than the local velocity v(x). As was demonstrated many years ago by Bourke et al.[1], the velocity difference δv(r) is accessible by the technique of homodyne photon correlation spectroscopy (PCS).
© 1996 Optical Society of America
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