Efficient generation of Xe K-shell x rays by high-contrast interaction with submicrometer clusters

The interaction between a 25 TW laser and Xe clusters at a peak intensity of 1 × 10¹⁹ W/cm² has been investigated. Xe K-shell x rays, whose energies are approximately 30 keV, were clearly observed with a hard x-ray CCD at 3.4 MPa. Moreover, we studied the yield of the Xe K-shell x rays by changing t...

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Bibliographic Details
Published in:Optics letters 2011-05, Vol.36 (9), p.1614-1616
Main Authors: Hayashi, Yukio, Pirozhkov, Alexander S, Kando, Masaki, Fukuda, Yuji, Faenov, Anatoly, Kawase, Keigo, Pikuz, Tatiana, Nakamura, Tatsufumi, Kiriyama, Hiromitsu, Okada, Hajime, Bulanov, Sergei V
Format: Article
Language:English
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Summary:The interaction between a 25 TW laser and Xe clusters at a peak intensity of 1 × 10¹⁹ W/cm² has been investigated. Xe K-shell x rays, whose energies are approximately 30 keV, were clearly observed with a hard x-ray CCD at 3.4 MPa. Moreover, we studied the yield of the Xe K-shell x rays by changing the pulse duration of the laser at a constant laser energy and found that the pulse duration of 40 fs is better than that of 300 fs for generating Xe K-shell x rays.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.36.001614