略語大辞典 [Opt] 21 FCA free-carrier absorption 自由キャリア吸収. 半導体内の伝導キャリアによる光吸収.free-carrier absorption; an optical absorption due to free carriers in semiconductors; ref. TPA(two-photon absorption); [Opt:Phys:L]. 丸善「略語大辞典」JLogosID : 11874611