FOM
figure of merit
(レーザー用結晶の)特性品質指数. 励起波長での光吸収強度と発光波長での光吸収強度との比などで表現する.
figure of merit; for a laser crystal; e.g. defined as the absorptivity at the pumping wavelength divided by the absorptivity at the emission wavelength; e.g. for Ti:sapphire crystals; e.g. for A-O(a
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