Asymmetrical dyes with large two-photon absorption cross-sections
申请人:The United States of America as represented by the Secretary of the Air
公开号:US05770737A1
公开(公告)日:1998-06-23
A two-photon absorbing chromophore of the formula D--Ar--A wherein Ar is selected from the group consisting of ##STR1## D is selected from the group consisting of ##STR2## and A is selected from the group consisting of ##STR3## wherein R.sub.1 and R.sub.2 are alkyl groups having 8 to 12 carbon atoms, and wherein R.sub.1 and R.sub.2 are the same or different.