Spatially resolved small-angle noncollinear interferometric autocorrelation of ultrashort pulses with microaxicon arrays

被引：23

作者：

Grunwald, R ^{[1
]}

Griebner, U ^{[1
]}

Nibbering, ETJ ^{[1
]}

Kummrow, A ^{[1
]}

Rini, M ^{[1
]}

Elsaesser, T ^{[1
]}

Kebbel, V ^{[1
]}

Hartmann, HJ ^{[1
]}

Jüptner, W ^{[1
]}

机构：

[1] Max Born Inst Nichtlineare Opt & Kurzzeitspektros, D-12489 Berlin, Germany

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 2001年 / 18卷 / 11期

关键词：

D O I：

10.1364/JOSAA.18.002923

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Small-angle, noncollinear, first- and second-order interferometric autocorrelation experiments with Ti:sapphire laser pulses of 9-80-fs duration have been performed with microaxicon arrays. Predictions of short-pulse spatial frequency effects were verified by comparison of interference patterns of single elements and matrices. An angular spectrum of Gaussian-shaped axicons was analyzed on the basis of linear refraction. Experimental data indicate contributions to autocorrelation. by nonlinear refraction and travel-time differences. The influence of the spectral bandwidth was separated from the pulse-duration-dependent effects. Spatially resolved information about the coherence time was delivered by the multichannel structure. (C) 2001 Optical Society of America.

引用

页码：2923 / 2931

页数：9

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