略語大辞典 [Opt] 30 OBD optical beam deflection (method) 光ビーム偏向(法).optical beam deflection (method); an ultrasensitive measurement method foroptical, spectroscopical, and thermal properties of various samples; ref. PAS(photo-acoustic spectroscopy); [Opt:L]. 丸善「略語大辞典」JLogosID : 11863596