Efficient generation of proton beams by irradiating an ultra-short, intense laser pulse on thick plastic targets

Kitae Lee; Seong Hee Park; Yong-Ho Cha; Yong Woo Lee; Kwon-hae Yea; Ji Young Lee; Young Uk Jeong

Conference on Lasers and Electro-Optics/Pacific Rim 2007
(Optica Publishing Group, 2007),
paper WP_067

Efficient generation of proton beams by irradiating an ultra-short, intense laser pulse on thick plastic targets

Kitae Lee, Seong Hee Park, Yong-Ho Cha, Yong Woo Lee, Kwon-hae Yea, Ji Young Lee, and Young Uk Jeong

Conference on Lasers and Electro-Optics/Pacific Rim 2007

Seoul Republic of Korea
ISBN: 1-4244-1174-2

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K. Lee, S. H. Park, Y. Cha, Y. W. Lee, K. Yea, J. Y. Lee, and Y. U. Jeong, "Efficient generation of proton beams by irradiating an ultra-short, intense laser pulse on thick plastic targets," in Conference on Lasers and Electro-Optics/Pacific Rim 2007, (Optica Publishing Group, 2007), paper WP_067.

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Abstract

When an ultra-short laser pulse with intensity of 2-3xl0¹⁸ W/cm², is focused on a 13 µm Mylar target, a proton beam with a maximum energy of 1.1 MeV is generated. This maximum energy is about 3 times higher than those obtained from aluminum targets and theoretical estimations.

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