Lin, Tzu-Chau Degenerate two-photon absorption and effective optical-power-limiting properties of multipolar chromophores derived from 2,3,8-trisubstituted indenoquinoxaline. [electronic resource] - Chemistry, an Asian journal Sep 2013 - 2102-10 p. digital Publication Type: Journal Article ISSN: 1861-471X Standard No.: 10.1002/asia.201300223 doi