Lasik eye surgery uses pulses of laser light to shave off, Physics

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Lasik eye surgery uses pulses of laser light to shave off

LASIK eye surgery uses pulses of laser light to shave off tissue from the cornea, reshaping it. A typical LASIK laser emits a 1.0mm--diameter laser beam with a wavelength of 193nm . Each laser pulse lasts 15ns and contains 1.9mJ of light energy. What is the power of one laser pulse? Answer in W/m2. During the very brief time of the pulse, what is the intensity of the light wave? Answer in dB.

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Physics: Lasik eye surgery uses pulses of laser light to shave off

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Physics: Lasik eye surgery uses pulses of laser light to shave off

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