Calculate the required value of the inversion population to obtain a coefficient of gain (1 m-1) for
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Calculate the required value of the inversion population to obtain a coefficient of gain (1 m-1) for the Nd-YAG laser (1.06 µm) when the upper-life time (T, = 230 µS), Av = 3 × 1013 Hz and with 1.83 as a medium refractive index.
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