Three-photon-absorption-induced optical stabilization effects in a bifluorenylidene derivative.
A bifluorenylidene derivative with extended π-conjugated system has been designed and successfully synthesized. The compound displays strong three-photon absorption effect. The obtained three-photon absorption cross section is as high as 81.3 × 10(-76) cm(6)s(2). Distinguished 3PA-induced optical limiting and optical stabilization performances have been achieved. The on-axis transmitted intensity approached a constant even though the incident laser pulse fluctuation was 300%.
Institute for Computational Materials Science, Department of Physics, Henan University, Kaifeng 475004, China.
Junhui
J
Liu
Yuanxu
Y
Wang
D000042:Absorption; D005449:Fluorenes / Q000737:chemistry*; D017785:Photons; D012031:Refractometry; D012542:Scattering, Radiation
D005449:Fluorenes