略語大辞典 [Opt] 23 OSA order-sorting aperture 次数分離開口. X線顕微鏡用の装置.order-sorting aperture; a device for STXM(scanning transmission x-ray microscope); filters out higher order fociof the zone plate; [Opt:Phys]. 丸善「略語大辞典」JLogosID : 11881793