A laser pulse has an energy of 25 j and a beam radius of 2, Ask an Expert

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A laser pulse has an energy of 25 J and a beam radius of 2 mm. The pulse duration is 6 ns and the energy density is constant within the pulse.

(a) What is the spatial length of the pulse?

(b) What is the total energy density within the pulse?

kJ/m3

E0 =

MV/m

B0 =

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