Subject LASER : Chapter laser Oscillation Question: A helium-neon laser has a small-signal gain coefficient of 0.1m^-1 a

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Subject LASER : Chapter laser Oscillation Question: A helium-neon laser has a small-signal gain coefficient of 0.1m^-1 a

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Subject LASER : Chapter laser Oscillation
Question: A helium-neon laser has a small-signal gain
coefficient of 0.1m^-1 at 632.8 nm and absorption and
scattering losses of 0.5% per pass. For a discharge amplifier
length of 0.2-m, what is the optimum transmission for the output
mirror ? (assuming the other mirror is reflectivity of 99.9%)
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