A 160-mw helium-neon laser emits a beam of circular cross, Ask an Expert

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A 16.0-mW helium-neon laser emits a beam of circular cross section with a diameter of 2.85 mm.

(a) Find the maximum electric field in the beam. How would you determine the intensity if you knew the total power and the cross-sectional area of the beam?

(b) What total energy is contained in a 1.00-m length of the beam?

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Reference No.:- M9997407

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