Study of the properties of the SHG with diode lasers
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- Uebernickel, M., Güther, R., Blume, G. et al. Appl. Phys. B (2010) 99: 457. doi:10.1007/s00340-010-3927-8
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An experimental study of the second-harmonic generation (SHG) properties with nondiffraction-limited radiation is presented. This includes the dependency of the normalized conversion efficiency on the crystal length, the beam quality, and the focusing conditions. A Gauss–Schell-model-based theory of SHG is applied, which gives an improved simulation of the experimental results in comparison to the standard Boyd–Kleinman theory for nondiffraction-limited beams.