Fig. 1. Representation of noncollinear phase-matching condition. o.a. is the crystal optic axis.
Fig. 2. Parametric scan for the BiBO nonlinear crystal. (a) Simulated phase-matched wavelength (
Fig. 3. Simulated amplification spectrum for a 5 mm YCOB crystal pumped at 515 nm with an intensity of ~50 GW/cm2.
Fig. 4. Simulated noncollinear angular dependence of the BiBO amplified spectrum. Crystal thickness is 2.5 mm and the pump intensity is ~50 GW/cm2.
Fig. 5. Schematic of the OPCPA chain used for crystal comparison. SHG, second harmonic generation; WLG, white light generation.
Fig. 7. Experimental results for the YCOB NOPA stage compared to theoretical analysis. Amplified spectra for (a) 5 mm, (b) 7.5 mm and (c) 15 mm crystals. The shadowed curve is the numerically calculated amplified spectrum for the following parameters:
Fig. 8. Experimental results for the BiBO NOPA stage: amplified spectrum for a 2.5 mm crystal. Different noncollinear angles are plotted to show the influence of
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