Question: Repeat Problem 4-49 for window glass. Problem 4-49 A slab of polycrystalline aluminum oxide is to be pulsed with a laser to produce a temperature

Repeat Problem 4-49 for window glass.
Problem 4-49
A slab of polycrystalline aluminum oxide is to be pulsed with a laser to produce a temperature of 900ºC at a depth of 0.2 mm after a time of 0.2 s. The solid is initially at 40ºC. Calculate the strength of pulse required expressed in MJ/m2.

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