Experimental observation of anomalous high harmonics at low intensities

C. Valentin; S. Kazamias; D. Douillet; G. Grillon; T. Lefrou; F. Augé; S. Sebban; P. Balcou

doi:10.1007/s00340-004-1478-6

Experimental observation of anomalous high harmonics at low intensities

C. Valentin
, S. Kazamias
, D. Douillet
, G. Grillon
, T. Lefrou
, F. Augé
, S. Sebban
, P. Balcou

Research output: Contribution to journal › Article › peer-review

Abstract

A variety of complex phenomena occurs when an ultra-short laser pulse interacts with atoms in the 10¹³ W/cm² range: non-sequential ionisation, electron recollision, and Free-man resonances. We show that high-harmonic spectra obtained experimentally in this parameter range also display anomalous features, which are difficult to understand in the framework of the three-step, semiclassical model. The results of a systematic study of these high harmonics generated in argon, xenon, and krypton are presented. From the experimental curves, complex high-order harmonic generation phenomena are discussed.

Original language	English
Pages (from-to)	845-849
Number of pages	5
Journal	Applied Physics B: Lasers and Optics
Volume	78
Issue number	7-8
DOIs	https://doi.org/10.1007/s00340-004-1478-6
Publication status	Published - 1 Jan 2004
Externally published	Yes

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10.1007/s00340-004-1478-6

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title = "Experimental observation of anomalous high harmonics at low intensities",

abstract = "A variety of complex phenomena occurs when an ultra-short laser pulse interacts with atoms in the 1013 W/cm2 range: non-sequential ionisation, electron recollision, and Free-man resonances. We show that high-harmonic spectra obtained experimentally in this parameter range also display anomalous features, which are difficult to understand in the framework of the three-step, semiclassical model. The results of a systematic study of these high harmonics generated in argon, xenon, and krypton are presented. From the experimental curves, complex high-order harmonic generation phenomena are discussed.",

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T1 - Experimental observation of anomalous high harmonics at low intensities

AU - Valentin, C.

AU - Kazamias, S.

AU - Douillet, D.

AU - Grillon, G.

AU - Lefrou, T.

AU - Augé, F.

AU - Sebban, S.

AU - Balcou, P.

PY - 2004/1/1

Y1 - 2004/1/1

N2 - A variety of complex phenomena occurs when an ultra-short laser pulse interacts with atoms in the 1013 W/cm2 range: non-sequential ionisation, electron recollision, and Free-man resonances. We show that high-harmonic spectra obtained experimentally in this parameter range also display anomalous features, which are difficult to understand in the framework of the three-step, semiclassical model. The results of a systematic study of these high harmonics generated in argon, xenon, and krypton are presented. From the experimental curves, complex high-order harmonic generation phenomena are discussed.

AB - A variety of complex phenomena occurs when an ultra-short laser pulse interacts with atoms in the 1013 W/cm2 range: non-sequential ionisation, electron recollision, and Free-man resonances. We show that high-harmonic spectra obtained experimentally in this parameter range also display anomalous features, which are difficult to understand in the framework of the three-step, semiclassical model. The results of a systematic study of these high harmonics generated in argon, xenon, and krypton are presented. From the experimental curves, complex high-order harmonic generation phenomena are discussed.

U2 - 10.1007/s00340-004-1478-6

DO - 10.1007/s00340-004-1478-6

M3 - Article

AN - SCOPUS:2642530397

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VL - 78

SP - 845

EP - 849

JO - Applied Physics B: Lasers and Optics

JF - Applied Physics B: Lasers and Optics

IS - 7-8

ER -

Experimental observation of anomalous high harmonics at low intensities

Abstract

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