Two-photon responsive chromophores containing electron accepting cores
申请人:The United States of America as represented by the Secretary of the Air Force
公开号:US06555682B1
公开(公告)日:2003-04-29
Provided are chromophores of the formula
Q—(—L—Z)x,
wherein x is 3 or 4, wherein Q is selected from the group consisting of
wherein L is selected from the group consisting of
wherein R is an alkyl group having 1 to 20 carbon atoms, and wherein Z is selected from the group consisting of
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.