Open AccessULTRAFAST OPTICAL KERR EFFECT AND OPTICAL INDUCED ABSORPTION OF EMERALDINE BASE
Author(s) -
Xiaoming Shang,
Congfang Wang,
Jingjing Wang,
Yinghua Zou,
WenBin Yang,
Yanlin Song,
Luo Chuan-Qiu,
Huiying Chen
Publication year - 1997
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.46.2363
Subject(s) - kerr effect , femtosecond , ultrashort pulse , materials science , dephasing , absorption (acoustics) , nonlinear optics , two photon absorption , laser , optics , molecular physics , physics , nonlinear system , condensed matter physics , quantum mechanics , composite material
The transient optical Kerr effect (OKE) and optical induced absorption of emeraldine base (EB) in dimethylformamide solution have been investigated with femtosecond laser pulses.Only a ultrafast component of OKE of EB solution is observed and its dephasing time is given by theoretical fitting.The third-order nonlinear optical susceptibility of EB solution is also determined.Two-photon absorption is proved to be the predominant mechanism causing the observed optical limiting behavior.