Modeling and identif ication on nonlinear saturable and reverse-saturable absorptions of gold nanorods using femtosecond Z-scan technique
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资源说明:An improved Z-scan analysis approach is proposed by establishing and solving the saturable absorption (SA) and reverse-SA (RSA) models, respectively. Near-infrared femtosecond Z-scans are carried out on the synthesized gold nanorods (NRs) possessing the average length of 46 nm using a femtosecond laser operated at the wavelength of 800 nm, which is close to the peak position of longitudinal surface plasmon resonance (SPR) (710 nm) of gold NRs. At lower input intensity of less than 400 GW/cm2, th
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