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Planar Laser Induced Fluorescence
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"Planar
Laser Induced Fluorescence” refers to flow visualization
technique in which the fluid is seeded with a fluorescent dye that
absorbs at one laser wavelength and emits fluorescent light at
another. In this way, illuminating the flow with a planar laser
light sheet produces an image in which the brightness at the emitted
wavelength is proportional to the concentration of dye. PLIF is used
to measure mixing rates, as well as to visualize flow.
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