Frequency-resolved time-gated high-order harmonics

C Altucci; C Delfin; L Roos; Mette Gaarde; Anne L'Huillier; I Mercer; Tomas Starczewski; Claes-Göran Wahlström

doi:10.1103/PhysRevA.58.3934

Frequency-resolved time-gated high-order harmonics

C Altucci, C Delfin, L Roos, Mette Gaarde, Anne L'Huillier, I Mercer, Tomas Starczewski, Claes-Göran Wahlström

Atomic Physics

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Abstract

We report measurements of high-order harmonic spectra obtained with a 800-nm 150-fs loser pulse with a time-varying degree of ellipticity. The modulation of the polarization in time is achieved by using birefringent optics and self-phase modulation in a glass plate. We can create one or two temporal gates of a few femtoseconds width, during which the polarization is linear and harmonic emission is efficient. The harmonic spectra observed experimentally demonstrate that harmonics generated with linear polarization are frequency chirped. The values measured experimentally are consistent with theoretical predictions based on the strong field approximation. [S1050-2947(98)05511-5].

Original language	English
Pages (from-to)	3934-3941
Journal	Physical Review A (Atomic, Molecular and Optical Physics)
Volume	58
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevA.58.3934
Publication status	Published - 1998

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Atom and Molecular Physics and Optics

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10.1103/PhysRevA.58.3934

Altucci1998

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title = "Frequency-resolved time-gated high-order harmonics",

abstract = "We report measurements of high-order harmonic spectra obtained with a 800-nm 150-fs loser pulse with a time-varying degree of ellipticity. The modulation of the polarization in time is achieved by using birefringent optics and self-phase modulation in a glass plate. We can create one or two temporal gates of a few femtoseconds width, during which the polarization is linear and harmonic emission is efficient. The harmonic spectra observed experimentally demonstrate that harmonics generated with linear polarization are frequency chirped. The values measured experimentally are consistent with theoretical predictions based on the strong field approximation. [S1050-2947(98)05511-5].",

author = "C Altucci and C Delfin and L Roos and Mette Gaarde and Anne L'Huillier and I Mercer and Tomas Starczewski and Claes-G{\"o}ran Wahlstr{\"o}m",

year = "1998",

doi = "10.1103/PhysRevA.58.3934",

language = "English",

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pages = "3934--3941",

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T1 - Frequency-resolved time-gated high-order harmonics

AU - Altucci, C

AU - Delfin, C

AU - Roos, L

AU - Gaarde, Mette

AU - L'Huillier, Anne

AU - Mercer, I

AU - Starczewski, Tomas

AU - Wahlström, Claes-Göran

PY - 1998

Y1 - 1998

N2 - We report measurements of high-order harmonic spectra obtained with a 800-nm 150-fs loser pulse with a time-varying degree of ellipticity. The modulation of the polarization in time is achieved by using birefringent optics and self-phase modulation in a glass plate. We can create one or two temporal gates of a few femtoseconds width, during which the polarization is linear and harmonic emission is efficient. The harmonic spectra observed experimentally demonstrate that harmonics generated with linear polarization are frequency chirped. The values measured experimentally are consistent with theoretical predictions based on the strong field approximation. [S1050-2947(98)05511-5].

AB - We report measurements of high-order harmonic spectra obtained with a 800-nm 150-fs loser pulse with a time-varying degree of ellipticity. The modulation of the polarization in time is achieved by using birefringent optics and self-phase modulation in a glass plate. We can create one or two temporal gates of a few femtoseconds width, during which the polarization is linear and harmonic emission is efficient. The harmonic spectra observed experimentally demonstrate that harmonics generated with linear polarization are frequency chirped. The values measured experimentally are consistent with theoretical predictions based on the strong field approximation. [S1050-2947(98)05511-5].

U2 - 10.1103/PhysRevA.58.3934

DO - 10.1103/PhysRevA.58.3934

M3 - Article

SN - 1050-2947

VL - 58

SP - 3934

EP - 3941

JO - Physical Review A (Atomic, Molecular and Optical Physics)

JF - Physical Review A (Atomic, Molecular and Optical Physics)

IS - 5

ER -

Frequency-resolved time-gated high-order harmonics

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