What is the minimum angular spread of the beam

Reference no: EM13263109

A telescope can be used to enlarge the diameter of a laser beam and limit diffraction spreading. The laser beam is sent through the telescope in opposite the normal direction and can then be projected onto a satellite or the Moon. If this is done with the Mount Wilson telescope, producing a 2.51-m diameter beam of 634-nm light, what is the minimum angular spread of the beam?

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Reference no: EM13263109

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