GENERATION OF HIGHLY COHERENT TUNABLE MIDINFRARED FEMTOSECOND PULSES BY PARAMETRIC FREQUENCY-MIXING AT 82 MHZ

被引：6

作者：

GALE, GM

CAVALLARI, M

DRISCOLL, TJ

HACHE, F

机构：

[1] Laboratoire d'Optique Quantique, CNRS, Ecole Polytechnique

来源：

OPTICS COMMUNICATIONS | 1995年 / 119卷 / 1-2期

关键词：

D O I：

10.1016/0030-4018(95)00291-F

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Near-transform-limited femtosecond infrared pulses are generated in the 2.8 to 3.6 mu m spectral region by parametric frequency-mixing in KTP of the synchronised outputs of an 82 MHz femtosecond Ti : sapphire laser and a tunable visible-range femtosecond optical parametric oscillator pumped by the second-harmonic of the Ti : sapphire laser. Infrared pulse-widths down to 90 fs are measured and the dependence of pulse duration on frequency and mixing-crystal thickness is accurately described by a detailed calculation and a simple analytical expression.

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页码：159 / 162

页数：4

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