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Converting laser irradiance into volume energy density
If I want to convert a laser's irradiance of $10^{20} \,\text{W}/\text{cm}^2$ into a volume energy density, do I just divide it by the speed of light $c$?
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How to calculate the intensity profile of a pulsed laser beam given its pulse energy?
I am trying to calculate the intensity profile of a pulsed laser given that the intensity envelope is Gaussian. I also know the full width half maximum and pulse energy of the pulse.
What are the ...
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