Lasers can be constructed that produce an extremely high intensity electromagnetic wave for a brief time—called pulsed lasers. They are used to ignite nuclear fusion, for example. Such a laser may produce an electromagnetic wave with a maximum electric field strength of 1.06 ✕ 1011 V/m for a time of 1.50 ns.
The maximum magnetic field strength in the wave is 353.3 T.
(a) What is the intensity of the beam? ________W/m2 (b) What energy does it deliver on a 1.22-mm2 area? ________ kJ
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