略語大辞典 [Opt] 28 TG transient grating 過渡的回折格子. レーザー光の干渉で生じた縞模様の過渡的記録.transient grating; an interference pattern of two laser beams recorded transiently in matter; [Opt:L]. 丸善「略語大辞典」JLogosID : 11851876