Simple technique to reveal a slow nonlinear mechanism in a z-scanlike n2 measurement.

@article{Toda1992SimpleTT,
  title={Simple technique to reveal a slow nonlinear mechanism in a z-scanlike n2 measurement.},
  author={Hiroyuki Toda and Carl M. Verber},
  journal={Optics letters},
  year={1992},
  volume={17 19},
  pages={1379}
}