question archive Obtaining an amplifier output intensity just equal to the available intensity of the laser medium
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Obtaining an amplifier output intensity just equal to the available intensity of the laser medium. A single-pass, homogeneously saturable laser amplifier has an available intensity Iavail = 1 kW/cm². Suppose you want to obtain an actual output intensity equal to the same value, i.e., Iout = 1 kW/cm², with an actual (saturated) power gain of G = 10 = 10 dB. What must be the unsaturated gain Go of the amplifier (either as a number, or in dB)? /itemIn general, if you want to obtain an actual output lout from an amplifier which is just equal to the available intensity Lavail, with a specified actual gain G, what is a relationship for the required unsaturated gain Go?
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