Author/Authors :
Koudoumas، نويسنده , , M. Konstantaki، نويسنده , , G. Mavromanolakis، نويسنده , , A and Couris، نويسنده , , Y. Ederlé، نويسنده , , Y and Mathis، نويسنده , , C and Seta، نويسنده , , P and Leach، نويسنده , , S، نويسنده ,
Abstract :
The ultrafast nonlinear optical response of C60–polystyrene n-arm (n=3,6) star polymers in toluene solution is studied using the optical Kerr effect technique under excitation with 800 nm, 100 fs laser pulses. Their response is found to depend on the number and the molecular weight of the arms and to be much larger than that of pure C60. Finally, the second hyperpolarizability of the C60–polystyrene n-arm star polymers is determined.
