Nonlinear characterization of solutions of polycarbazolyldiacetylene polyDCHD-HS at 1064 and 1500 nm by Z-scan
Anno: 2002
Autori: Giorgetti E., Toci G., Vannini M.
Affiliazione autori: Istituto di RSOENC, CNR, Via Panciatichi 64, Firenze 50127, Italy
Abstract: The complex nonlinearity of polydiacetylene polyDCHD-HS in toluene solutions was measured at ? = 1064 and 1500 nm by using Z-scan and picosecond pulses. The values of the real part of second order molecular hyperpolarizability ? were -2.3 × 10-47 and -3 × 10-47 m5/V2 at 1064 and 1500 nm, respectively, while the nonlinear absorption could be better modeled with a three-photon process at both wavelengths.
Giornale/Rivista: LASER PHYSICS
Volume: 12 (4) Da Pagina: 707 A: 709
Parole chiavi: Acetylene; Colorimetry; Acid PCDALink per visualizzare la scheda su IsiWeb: Clicca qui