Kerr-Assisted Self-Compression of Mid-IR Femtosecond Laser Pulse in Dielectrics: Nonlinear-Medium Choice期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Kerr-Assisted Self-Compression of Mid-IR Femtosecond Laser Pulse in Dielectrics: Nonlinear-Medium Choice

Authors:	Email author" target="_blank">B?G?Bravy Email author V?M?Gordienko V?T?Platonenko

Institution:	1.Institute of Problems of Chemical Physics,Moscow,Russia;2.Physics Faculty and International Laser Center,M.V. Lomonosov Moscow State University,Moscow,Russia

Abstract:	We demonstrate an efficient method of mid-IR femtosecond-laser-pulse self-compression in transparent dielectrics based on a suitable selection of the parameters of the medium and laser radiation. We discuss the principle of selection of the nonlinear medium for ultrashort-pulse self-compression. We show that the proposed combination of the Kerr nonlinearity and negative group-velocity dispersion in a set of transparent dielectric crystals (CaF₂, BaF₂, YAG, etc.) provides a compression of the incident laser pulse to a 1–2 cycle pulse width.

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