Phase Matching Angles of BBO Crystals

The focus of the discussed problem lies in calculating phase matching angles for BBO crystals under eeo, oeo, and oee configurations. These calculations can be efficiently implemented using computational programs like MATLAB, where one would typically employ numerical solving algorithms such as Newton-Raphson methods or optimization functions like fminsearch to solve the phase matching equations. The implementation would involve defining crystal refractive index functions using Sellmeier equations and calculating wave vector mismatches for different propagation directions. When performing these calculations, factors such as crystal temperature and pump laser power must be considered to ensure result accuracy. A comprehensive MATLAB implementation would include temperature-dependent refractive index corrections and power-dependent thermal effects modeling. Therefore, detailed understanding of these parameters is essential for proper code implementation. Furthermore, phase matching angles can be optimized by implementing comparative algorithms that evaluate different crystal materials or by creating wavelength tuning functions that adjust pump laser wavelengths. The code could incorporate material database comparisons and automated parameter scanning routines to enhance system performance and efficiency through optimal phase matching conditions.