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Semilog plot of fractional survival as a function of total fluence under three different peak power irradiation conditions. Laser fluences were 35 and 250 J/m2/pulse, corresponding to peak powers of 2.5 × 109 and 1.8 × 1010 W/m2, respectively. The lamp fluence had a power of ∼90 W/m2. The plot shows the lack of peak power dependence above the uncertainty of the measurements. Error bars show ±1 standard deviation.
