Suppose a certain laser can provide 140 TW of power in 0.96 ns pulses at a...

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Suppose a certain laser can provide 140 TW of power in 0.96 nspulses at a wavelength of 0.25 ?m. How much energy is contained injoules in a single pulse?

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1 ) A laser can provide a Power P = 140.0 TW

                                                     = 140.0 *10^12 W

   time t = 0.96 ns

              = 0.96*10^-9 s

Energy contained in a single pulse is

                       E   = P * t

                             = 140.0 *10^12 W * 0.96 *10^-9 s

                             = 13.4*10^4 J


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