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Rotating coherent laser beam

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Sumit Aich

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Sumit Aich

Joined Dec 3, 2016
100
if a coherent laser beam rotates about axis normal to laser beam . at very high angular frequency
can a light dot with radiant glow (of short radius) be obtained (at axis of rotation)due to persistence of vision ?
can this be used in holographic projector?
 
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