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A study of the variation of the effective ablation pressure with thickness of laser irradiated thin gold foils is presented. Gold foils (2.5 and 12.0 μm thick) were irradiated by a glass laser (1.06 μm wavelength, 5‐ns pulse duration) in 1011–1013 W/cm2 irradiance range. Ablation pressure and its scaling is found to be higher for the 12‐μm‐thick gold target. The results are consistent with other results obtained on the basis of enhanced x‐ray transmission through thin gold foils. Theoretical estimates of the x‐ray transport are carried out to support this.