略語大辞典 [Opt] 31 FPPI four-photon parametric interaction 4光子パラメトリック相互作用. 非線型光学効果. four-photon parametric interaction; a non-linear optical effect; e.g. in optical fibers; ref. PSL(parametric soliton laser); [Opt:Phys:C]. 丸善「略語大辞典」JLogosID : 11875235