略語大辞典 [L] 21 SPE standard photon echo 標準的フォトン エコー. 光コヒーレンス効果.standard photon echo; an optical coherence effect observed in inhomogeneously broadened atomic or molecular systems; [L:Phys:Math:Opt] 丸善「略語大辞典」JLogosID : 11860116