Polychromatic x-ray production in helium from a femtosecond high-intensity laser system
JOSA B, Vol. 20, Issue 1, pp. 221-223 (2003)
http://dx.doi.org/10.1364/JOSAB.20.000221
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Abstract
Polychromatic x-ray radiation has been produced during the relativistic interaction of a 50-TW femtosecond laser with a helium gas jet. We have characterized the spectrum and the angular distribution of the x-ray emission as well as its dependency on the laser polarization and on the plasma electronic density. We have observed a broad continuous spectrum peaking at 0.15 keV with a significant tail up to 2 keV. The radiation was fairly collimated.
© 2003 Optical Society of America
[Optical Society of America ]
OCIS Codes
(300.6560) Spectroscopy : Spectroscopy, x-ray
(320.7090) Ultrafast optics : Ultrafast lasers
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)
(350.5400) Other areas of optics : Plasmas
Citation
K. Ta Phuoc, A. Rousse, L. Notebaert, M. Pittman, J. P. Rousseau, V. Malka, S. Fritzler, S. Sebban, P. Balcou, D. Hulin, J. R. Marqués, and P. G. David, "Polychromatic x-ray production in helium from a femtosecond high-intensity laser system," J. Opt. Soc. Am. B 20, 221-223 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-1-221
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