ANGULARLY RESOLVED HIGH-ORDER HARMONIC-GENERATION IN HELIUM

被引：62

作者：

TISCH, JWG

SMITH, RA

MUFFETT, JE

CIARROCCA, M

MARANGOS, JP

HUTCHINSON, MHR

机构：

[1] Blackett Laboratory, Imperial College

来源：

PHYSICAL REVIEW A | 1994年 / 49卷 / 01期

关键词：

D O I：

10.1103/PhysRevA.49.R28

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the observation of harmonics up to the 119th in helium, generated using a 1.053-mu m, l-ps chirped-pulse-amplification laser at intensities up to 3 X 10(14) W/cm(2), and the measurement of their farfield spatial distribution. Complex spatial distributions are found for harmonics in the plateau region and near the cutoff; their angular distribution narrows to approximately that predicted by lowest-order perturbation theory.

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页码：R28 / R31

页数：4

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