略語大辞典 [L] 37 FELS free electron lasers in semiconductor 半導体内自由電子レーザー. free electron lasers in semiconductor; e.g. a laser based on the inter-sub-band transitions of hot holes in germanium incrossed electric and magnetic fields; a source of coherent radiation using electrons and holes in crossed and paralle 丸善「略語大辞典」JLogosID : 11874769