Attosecond Circular Dichroism Spectroscopy of Polyatomic Molecules

被引：107

作者：

Smirnova, Olga ^{[1
]}

Patchkovskii, Serguei ^{[1
]}

Mairesse, Yann ^{[2
]}

Dudovich, Nirit ^{[3
]}

Villeneuve, David ^{[1
]}

Corkum, Paul ^{[1
]}

Ivanov, Misha Yu. ^{[1
]}

机构：

[1] CNR, Ottawa, ON K1A 0R6, Canada

[2] Univ Bordeaux 1, CEA, CNRS, CELIA,UMR 5107, F-33405 Talence, France

[3] Weizmann Inst Sci, Dept Phys Complex Syst, IL-76100 Rehovot, Israel

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 102卷 / 06期

基金：

加拿大自然科学与工程研究理事会;

关键词：

HARMONIC-GENERATION; ALIGNED MOLECULES; EMISSION;

D O I：

10.1103/PhysRevLett.102.063601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We describe the roles of multiple electronic continua in high-harmonic generation from aligned molecules. First, we show how the circularity of emitted harmonics tracks the interplay of different electronic continua participating in the nonlinear response. Second, we show that the interplay of different continua can lead to large variations of harmonic phases. Finally, we show how multiple electronic continua allow one to shape the polarization of high harmonics and attosecond pulses.

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页数：4

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