Estimate the angular spread of a laser beam due
Chapter 39, Problem 39.55(choose chapter or problem)
Estimate the angular spread of a laser beam due todiffraction if the beam emerges through a 3.6-mm-diametermirror. Assume that A = 694 nm. What would be thediameter of this beam if it struck (a) a satellite 380 kmabove the Earth, (b) the Moon? [Hint: See Chapter 35.]
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