Visualization 2: Nonlinear microscopy using cylindrical vector beams: Applications to three-dimensional imaging of nanostructures BautistaGodofredo KakkoJoona-Pekko DhakaVeer ZangXiaorun KarvonenLasse JiangHua KauppinenEsko LipsanenHarri KauranenMartti 2017 Visualization 2. 3D SHG images of the vertically-aligned semiconductor nanowires using linear y polarization Originally published in Optics Express on 29 May 2017 (oe-25-11-12463)