略語大辞典 [Opt] 26 PM phase modulator (電気光学的)位相変調器.phase modulator; e.g. E-O(electro-optic) PM; used to shift the phase of a laser light; ref. RPM(resonant phase modulator), an optical phase modulator; [Opt:L:Phys:C:E]. 丸善「略語大辞典」JLogosID : 11856021