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Laser beam divergence and spot size(Amrita Univeristy)

Virtual Lab Link http://sakshat.amrita.ac.in/VirtualLab/ Laser light usually a spatially coherent, narrow low-divergence beam, that can be manipulated with lenses. In this experiment our aim is to find the laser beam divergence and spot size using a detector. The light emitted by a laser is confined to a rather narrow cone; but, as the beam propagates outward, it slowly diverges or fans out.
Length: 02:29

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