Lasers can be constructed to produce an extremely high-intensity electromagnetic wave for a very brief time. such lasers are 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 0.48 Ă— 1011 v / m for a time of 1.2 ns. what is the energy in kj delivered on a 1.15 mm2 area?
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