Fig. 2. Open Z-scan results (black square) and fitting curves (red line) of the AZO/quartz film measured by using a pump source of 800 nm-laser at different pulse intensities: (a) 7.8 GW cm⁻², (b) 16.0 GW cm⁻², (c) 28.6 GW cm⁻², (d) 54.8 GW cm⁻² and (e) 97.1 GW cm⁻². (f) The blank quartz under the pulse intensity of 97.1 GW cm⁻².