略語大辞典 [Opt] 27 FROG frequency-resolved optical gating 周波数分解光ゲート法. 超短光パルスの測定法. frequency-resolved optical gating; a technique for the measurement of the amplitude and the phase of a ultrashort optical pulse; involves the generation of a spectrogram, or FROG trace, of the ultrashort pulse; the FROG trace i 丸善「略語大辞典」JLogosID : 11875306