略語大辞典 [Opt] 22 IDT image dissector tube イメージ ディセクタ管. 光検出器.image dissector tube; a photodetector tube that permits the signal generated at any small region of the photocathode to be selectively detected at the anode; the location at the target plane is selected by the voltages applied to the 丸善「略語大辞典」JLogosID : 11878078