Vol. 5, issue 02, article # 7

pdf Kochetkova A. M., Shlyonov S. A. Transformations of shape and spectrum of a subpicosecond laser pulse focused onto a homogeneous Kerr medium. // Atmospheric and oceanic optics. 1992. V. 5. No. 02. P. 99-102.
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Influence of the beam self–compression when it is focused onto a homogeneous Kerr medium on time– dependent phase self–modulation and frequency spectrum of the pulse is studied analytically. It is shown that at a strong nonlinearity the frequency spectrum can take a specific feature, that is, the position of the main spectral maximum of the beam intensity shifts towards the carrier frequency of the pulse.