Abstract
Laser-beam shaping and suppression of beam self-focusing in high-peak-power Nd:glass laser systems are discussed. The role of Fresnel diffraction at apertures at the laser facility as the source of dangerous spatial scales for small-scale self-focusing is illustrated. Methods of the formation of super-Gaussian laser beams for suppressing diffraction ripples on the beam profile and their self-focusing are presented. A brief outline of self-focusing as the primary nonlinear optical process limiting the brightness of Nd:glass laser installations is given. Methods for self-focusing suppression are presented.
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Lukishova, S.G., Senatsky, Y.V., Bykovsky, N.E., Scheulin, A.S. (2009). Beam Shaping and Suppression of Self-focusing in High-Peak-Power Nd:Glass Laser Systems. In: Boyd, R.W., Lukishova, S.G., Shen, Y. (eds) Self-focusing: Past and Present. Topics in Applied Physics, vol 114. Springer, New York, NY. https://doi.org/10.1007/978-0-387-34727-1_8
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