略語大辞典 [Opt] 25 DH double-hetero(junction)-structure (半導体の)二重ヘテロ(接合)構造. 半導体レーザーの構造.double-hetero(junction)-structure; a structure of a semiconductor diode laser; [Opt:C:Mat]. 丸善「略語大辞典」JLogosID : 11871709