Fixed blueshift of high intensity short pulse lasers propagating in gas chambers

J. K. Koga; N. Naumova; M. Kando; L. N. Tsintsadze; K. Nakajima; S. V. Bulanov; H. Dewa; H. Kotaki; T. Tajima

doi:10.1063/1.1320469

Fixed blueshift of high intensity short pulse lasers propagating in gas chambers

J. K. Koga
, N. Naumova
, M. Kando
, L. N. Tsintsadze
, K. Nakajima
, S. V. Bulanov
, H. Dewa
, H. Kotaki
, T. Tajima

Japan Atomic Energy Agency
Prokhorov General Physics Institute of the Russian Academy of Sciences
High Energy Accelerator Research Organization (KEK)
JASRI/SPring-8
Center for Nonlinear Dynamics
The University of Texas at Austin
Lawrence Livermore National Laboratory

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

29 Citations (Scopus)

Abstract

An explanation is given for the fixed blueshift observed of an intense short pulse laser propagating in a gas chamber filled with helium. The observed shift is found to be independent of the laser power and gas pressure above some critical power. The results are explained by the formation of filaments, which occur due to nonlinear gas polarization effects. The blueshift is in qualitative agreement with a one dimensional particle-in-cell simulation including ionization of the gas.

Original language	English
Pages (from-to)	5223-5231
Number of pages	9
Journal	Physics of Plasmas
Volume	7
Issue number	12
DOIs	https://doi.org/10.1063/1.1320469
Publication status	Published - 1 Jan 2000
Externally published	Yes

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10.1063/1.1320469

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title = "Fixed blueshift of high intensity short pulse lasers propagating in gas chambers",

abstract = "An explanation is given for the fixed blueshift observed of an intense short pulse laser propagating in a gas chamber filled with helium. The observed shift is found to be independent of the laser power and gas pressure above some critical power. The results are explained by the formation of filaments, which occur due to nonlinear gas polarization effects. The blueshift is in qualitative agreement with a one dimensional particle-in-cell simulation including ionization of the gas.",

author = "Koga, \{J. K.\} and N. Naumova and M. Kando and Tsintsadze, \{L. N.\} and K. Nakajima and Bulanov, \{S. V.\} and H. Dewa and H. Kotaki and T. Tajima",

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T1 - Fixed blueshift of high intensity short pulse lasers propagating in gas chambers

AU - Koga, J. K.

AU - Naumova, N.

AU - Kando, M.

AU - Tsintsadze, L. N.

AU - Nakajima, K.

AU - Bulanov, S. V.

AU - Dewa, H.

AU - Kotaki, H.

AU - Tajima, T.

PY - 2000/1/1

Y1 - 2000/1/1

N2 - An explanation is given for the fixed blueshift observed of an intense short pulse laser propagating in a gas chamber filled with helium. The observed shift is found to be independent of the laser power and gas pressure above some critical power. The results are explained by the formation of filaments, which occur due to nonlinear gas polarization effects. The blueshift is in qualitative agreement with a one dimensional particle-in-cell simulation including ionization of the gas.

AB - An explanation is given for the fixed blueshift observed of an intense short pulse laser propagating in a gas chamber filled with helium. The observed shift is found to be independent of the laser power and gas pressure above some critical power. The results are explained by the formation of filaments, which occur due to nonlinear gas polarization effects. The blueshift is in qualitative agreement with a one dimensional particle-in-cell simulation including ionization of the gas.

U2 - 10.1063/1.1320469

DO - 10.1063/1.1320469

M3 - Article

AN - SCOPUS:0007299486

SN - 1070-664X

VL - 7

SP - 5223

EP - 5231

JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 12

ER -

Fixed blueshift of high intensity short pulse lasers propagating in gas chambers

Abstract

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