Freegarde, Tim, Coutts, Julian, Walz, Jochen, Leibfried, Dietrich and Hansch, T.W.
General analysis of type I second-harmonic generation with elliptical Gaussian beams
Journal of the Optical Society of America B, 14, (8), .
One can enhance second-harmonic generation in angle-tuned crystals by focusing the fundamental to an elliptical waist in the crystal. We present a general analysis for type I phase-matched uniaxial and biaxial crystals that will find particular application in the generation of harmonics from diode lasers.
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