Closed-Aperture Z-Scan Analysis for Nonlinear Media with Saturable Absorption and Simultaneous Third- and Fifth-Order Nonlinear Refraction

Figure 1

Normalized transmittances 𝑇(𝑧) with 𝑆=0.05 and 𝐼_𝑠=0.3 GW/cm² for (a) Δ𝜙₀⁽³⁾=−0.3𝜋 and Δ𝜙₀⁽⁵⁾<0 and (b) Δ𝜙₀⁽³⁾=0.3𝜋 and Δ𝜙₀⁽⁵⁾>0. Solid curves in black, blue, green, and red correspond to |Δ𝜙₀⁽⁵⁾|=0,0.01𝜋,0.05𝜋 and 0.1𝜋, respectively.

(a)

(b)