Comparison of measured and computed Strehl ratios for light propagated through a channel flow of a He-N(2) mixing layer at high Reynolds numbers.


A lateral shearing interferometer was used to measure the slope of perturbed wave fronts after they propagated through a He-N(2) mixing layer in a rectangular channel. Slope measurements were used to reconstruct the phase of the turbulence-corrupted wave front. The random phase fluctuations induced by the mixing layer were captured in a large ensemble of… (More)


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