Solved: Show that the diffractive spread of a laser beam,
Chapter , Problem 68(choose chapter or problem)
Show that the diffractive spread of a laser beam, A/D asdescribed in Section 39-9, is precisely what you mightexpect from the uncertainty principle. [Hint: Since thebeams width is constrained by the dimension of theaperture D, the component of the lights momentumperpendicular to the laser axis is uncertain.]
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