Prepulse controlled splitting of relativistically self-guided channel and suppression of Raman forward scattering instability

T. Y. Chien; W. T. Chen; Y. H. Chen; C. H. Lee; J. Y. Lin; J. Wang; S. Y. Chen

doi:10.1063/1.1643920

Prepulse controlled splitting of relativistically self-guided channel and suppression of Raman forward scattering instability

T. Y. Chien, W. T. Chen, Y. H. Chen, C. H. Lee, J. Y. Lin, J. Wang, S. Y. Chen

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Abstract

The effects of laser prepulse on splitting of a relativistically self-guided channel and suppression of Raman forward scattering instability were studied in an underdense plasma. Probing interferometry, shadowgraphy and spectrometry techniques were used. The propagation of the laser beam could be controlled by changing the prepulse intensity to show self-guiding or channel splitting. The results show that the instability is significantly reduced if the gas target is preionized, thus identifying ionization wakefield as the seeding mechanism for this process.

Original language	English
Pages (from-to)	1173-1177
Number of pages	5
Journal	Physics of Plasmas
Volume	11
Issue number	3
DOIs	https://doi.org/10.1063/1.1643920
State	Published - Mar 2004

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abstract = "The effects of laser prepulse on splitting of a relativistically self-guided channel and suppression of Raman forward scattering instability were studied in an underdense plasma. Probing interferometry, shadowgraphy and spectrometry techniques were used. The propagation of the laser beam could be controlled by changing the prepulse intensity to show self-guiding or channel splitting. The results show that the instability is significantly reduced if the gas target is preionized, thus identifying ionization wakefield as the seeding mechanism for this process.",

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AU - Chien, T. Y.

AU - Chen, W. T.

AU - Chen, Y. H.

AU - Lee, C. H.

AU - Lin, J. Y.

AU - Wang, J.

AU - Chen, S. Y.

PY - 2004/3

Y1 - 2004/3

N2 - The effects of laser prepulse on splitting of a relativistically self-guided channel and suppression of Raman forward scattering instability were studied in an underdense plasma. Probing interferometry, shadowgraphy and spectrometry techniques were used. The propagation of the laser beam could be controlled by changing the prepulse intensity to show self-guiding or channel splitting. The results show that the instability is significantly reduced if the gas target is preionized, thus identifying ionization wakefield as the seeding mechanism for this process.

AB - The effects of laser prepulse on splitting of a relativistically self-guided channel and suppression of Raman forward scattering instability were studied in an underdense plasma. Probing interferometry, shadowgraphy and spectrometry techniques were used. The propagation of the laser beam could be controlled by changing the prepulse intensity to show self-guiding or channel splitting. The results show that the instability is significantly reduced if the gas target is preionized, thus identifying ionization wakefield as the seeding mechanism for this process.

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M3 - 期刊論文

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SP - 1173

EP - 1177

JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 3

ER -

Prepulse controlled splitting of relativistically self-guided channel and suppression of Raman forward scattering instability

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