New Polyamides with Large Second-Order Nonlinear Optical Properties Weder, Christoph ; Neuenschwander, Peter ; Suter, Ulrich W. ; Pretre, Philippe ; Kaatz, Philip ; Guenter, Peter Abstract Publication: Macromolecules Pub Date: April 1994 DOI: 10.1021/ma00086a030 Bibcode: 1994MaMol..27.2181W