略語大辞典 [L] 34 PSBA phase space beam analyzer 位相空間(光)ビーム解析器. レーザー光ビームの特性を測定する装置.phase space beam analyzer; an optical system that enables one to measure far-field divergence and beam radius of a laser beam simultaneously; [L:Opt:Phys]. 丸善「略語大辞典」JLogosID : 11856634