Fig. 1From: Two nonlinear optical processes in Z-scan curves of a bleached photographic filmExperimental z-scan curves of the photographic film to the wavelengths of: (a) 457, (b) 476, (c) 488, (d) 496, (e) 514 and (f) 633 nm. All of them to the incident powers of: 1, 5, 10, 5 and 1 mWBack to article page