Fluorinated sulfones/ketones for nonlinear optics

A compound providing for high nonlinearity and high transparency selected from the following structures:

• ##STR8## wherein D is an electron donor moiety selected from NH.sub.2, NHR.sup.1, N(C.sub.n H.sub.2n+1).sub.2, N(C.sub.n H.sub.2n+1) (C.sub.n H.sub.2n OH), N(C.sub.n H.sub.2n OH).sub.2, N(C.sub.n H.sub.2n+1)N(C.sub.n H.sub.2n+1).sub.2, N=C(C.sub.n H.sub.2n+1).sub.2, OC.sub.n H.sub.2n+1, SC.sub.n H.sub.2n+1, ##STR9## branched or straight chain alkyls having from 2 to 20 carbons, F, and Br, wherein n=0 to 20
• Z.sup.1, Z.sup.2, Z.sup.3, Z.sup.4 and Z.sup.5 are individually selected from H, alkyl of 1 to 20 carbon atoms, aryl, OR.sup.2, SR.sup.3 and NR.sup.4 R.sup.5,
• R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are individually selected from aryl, alkyl of from 1 to 20 carbon atoms, and COR.sup.6, wherein R.sup.6 is selected from H, aryl, and alkyl of from 1 to 20 carbon atoms,
• X and Y are the same or different and are individually selected from F, alkyl and fluoroalkyl of 1 to 20 carbon atoms, aryl and fluoroaryl,
• with the proviso for structure 7 that when D is H, p--Cl, p--F, m--F, p--NH.sub.2 and X and Y are not F.