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A laser pulse has an energy of 17] and a beam radius of 2 mm. The pulse duration is 5 ns and the energy density is uniformly distributed within the pulse. (a) What is the spatial length of the pulse? 1.5 m (b) What is the energy density within the pulse? 901.878 14 kJ/m3 (c) Find the rms values of the electric and magnetic fields in the pulse. Eo = * MV/m Bo =

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