Annular Beam Shaping in Multiphoton Microscopy to Reduce Out-of-Focus Background.Published in:International Journal of Spectroscopy, 2017, p. 1, doi. 10.1155/2017/7560141By:Borglin, Johan;Wang, Danni;Durr, Nicholas J.;Hanstorp, Dag;Ben-Yakar, Adela;Ericson, Marica B.Publication type:Article