A laser utilized in eye surgery emits

Reference no: EM13664566

A laser utilized in eye surgery emits a 3.44 mJ pulse in1.19 ns, focused to a spot 31.5 um in diameter on the retina. Compute (in SI units) the power per unit area at the retina.(This quantity is called the irradiance.)

What energy is delivered to an area of molecular size - say, a circular area 0.635 nm in diameter?

Reference no: EM13664566

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