略語大辞典 [L] 25 OS optical switching 光スイッチ.optical switching; e.g. a semiconductorplate which is made highly reflective bythe sudden increase of the free-carrierconcentration induced by above band-gap illumination; e.g. used for laser cavity dumping; [L:Opt:Mat]. 丸善「略語大辞典」JLogosID : 11881776