Electron cavitation and generation of MeV ions produced by relativistically self-guided laser pulse in He gas jet

A. Maksimchuk; S. Gu; K. Flippo; S. Y. Chen; D. Umstadter; G. Mourou; G. S. Sarkisov; V. Yu Bychenkov; V. N. Novikov; V. T. Tikhonchuk

Electron cavitation and generation of MeV ions produced by relativistically self-guided laser pulse in He gas jet

A. Maksimchuk, S. Gu, K. Flippo, S. Y. Chen, D. Umstadter, G. Mourou, G. S. Sarkisov, V. Yu Bychenkov, V. N. Novikov, V. T. Tikhonchuk

Research output: Contribution to conference › Paper › peer-review

Abstract

An interaction of ultra-high intensity short laser pulses with underdense plasma is of considerable interest from the standpoint of basic physics and its several potential applications. The ultrahigh electromagnetic fields in the laser focus produce extremely high pondermotive force that expels free electrons from the laser axis and relativistically modify the electron mass, plasma frequency and the plasma refractive index so that the plasma acts as a positive lens. These effects were studied by focusing 400 fs 6 TW laser beam with a vacuum intensity of 6.10¹⁸ W/cm² on a high backing pressure supersonic He gas jet with a neutral density of n_Heto approximately 4.10¹⁹ cm^-3.

Original language	English (US)
Pages	94-95
Number of pages	2
State	Published - 1999
Externally published	Yes
Event	Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99) - Baltimore, MD, USA Duration: May 23 1999 → May 28 1999

Conference

Conference	Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99)
City	Baltimore, MD, USA
Period	5/23/99 → 5/28/99

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Maksimchuk, A., Gu, S., Flippo, K., Chen, S. Y., Umstadter, D., Mourou, G., Sarkisov, G. S., Bychenkov, V. Y., Novikov, V. N., & Tikhonchuk, V. T. (1999). Electron cavitation and generation of MeV ions produced by relativistically self-guided laser pulse in He gas jet. 94-95. Paper presented at Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99), Baltimore, MD, USA.

Electron cavitation and generation of MeV ions produced by relativistically self-guided laser pulse in He gas jet. / Maksimchuk, A.; Gu, S.; Flippo, K.; Chen, S. Y.; Umstadter, D.; Mourou, G.; Sarkisov, G. S.; Bychenkov, V. Yu; Novikov, V. N.; Tikhonchuk, V. T.

1999. 94-95 Paper presented at Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99), Baltimore, MD, USA.

Research output: Contribution to conference › Paper › peer-review

Maksimchuk, A, Gu, S, Flippo, K, Chen, SY, Umstadter, D, Mourou, G, Sarkisov, GS, Bychenkov, VY, Novikov, VN & Tikhonchuk, VT 1999, 'Electron cavitation and generation of MeV ions produced by relativistically self-guided laser pulse in He gas jet', Paper presented at Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99), Baltimore, MD, USA, 5/23/99 - 5/28/99 pp. 94-95.

Maksimchuk, A. ; Gu, S. ; Flippo, K. ; Chen, S. Y. ; Umstadter, D. ; Mourou, G. ; Sarkisov, G. S. ; Bychenkov, V. Yu ; Novikov, V. N. ; Tikhonchuk, V. T. / Electron cavitation and generation of MeV ions produced by relativistically self-guided laser pulse in He gas jet. Paper presented at Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99), Baltimore, MD, USA.2 p.

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abstract = "An interaction of ultra-high intensity short laser pulses with underdense plasma is of considerable interest from the standpoint of basic physics and its several potential applications. The ultrahigh electromagnetic fields in the laser focus produce extremely high pondermotive force that expels free electrons from the laser axis and relativistically modify the electron mass, plasma frequency and the plasma refractive index so that the plasma acts as a positive lens. These effects were studied by focusing 400 fs 6 TW laser beam with a vacuum intensity of 6.1018 W/cm2 on a high backing pressure supersonic He gas jet with a neutral density of nHeto approximately 4.1019 cm-3.",

author = "A. Maksimchuk and S. Gu and K. Flippo and Chen, {S. Y.} and D. Umstadter and G. Mourou and Sarkisov, {G. S.} and Bychenkov, {V. Yu} and Novikov, {V. N.} and Tikhonchuk, {V. T.}",

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AU - Maksimchuk, A.

AU - Gu, S.

AU - Flippo, K.

AU - Chen, S. Y.

AU - Umstadter, D.

AU - Mourou, G.

AU - Sarkisov, G. S.

AU - Bychenkov, V. Yu

AU - Novikov, V. N.

AU - Tikhonchuk, V. T.

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AB - An interaction of ultra-high intensity short laser pulses with underdense plasma is of considerable interest from the standpoint of basic physics and its several potential applications. The ultrahigh electromagnetic fields in the laser focus produce extremely high pondermotive force that expels free electrons from the laser axis and relativistically modify the electron mass, plasma frequency and the plasma refractive index so that the plasma acts as a positive lens. These effects were studied by focusing 400 fs 6 TW laser beam with a vacuum intensity of 6.1018 W/cm2 on a high backing pressure supersonic He gas jet with a neutral density of nHeto approximately 4.1019 cm-3.

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Electron cavitation and generation of MeV ions produced by relativistically self-guided laser pulse in He gas jet

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Conference

ASJC Scopus subject areas

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