Ultrafast nonlinear absorption properties of SnO2/Ag/SnO2 composite films based on Z-scan measurement
Chang Ding,
Hecong Wang,
Lu Zhang
et al.
Abstract:To explore the nonlinear absorption (NLA) properties of the SnO 2 composite system, SnO 2 ∕Ag∕SnO 2 (SAS) composited films were prepared by magnetron sputtering at room temperature. The NLA properties were investigated using femtosecond Zscan technology at a wavelength of 800 nm. The results show that as the sputtering power of the Ag layer increases, the NLA type of the composite films changes from reverse saturated absorption to saturated absorption. According to the research results, adding the Ag layer can… Show more
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