A new 6-dialkylaminobenzimidazole nonlinear optical dye was synthesized in eight linear steps with an overall yield of 16%. ... A new 6-dialkylaminobenzimidazole nonlinear optical dye was synthesized in eight linear steps with an overall yield of 16%. ... As part of a program to discover new organic nonlinear optical dyes for electrooptic devices, [ 1 1. Hales , JM ; Matichak , J. ; Barlow , S. ; Ohira , S. ; Yesudas , K. ; Brédas , J.-L. ; Perry , JW ; Marder , SR Design of ...