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4 results on '"Bellei C"'

1. High brightness keV harmonics from relativistically oscillating plasma surfaces

Author

Dromey, B., Adams, D., Kar, S., Bellei, C., Carroll, D. C., Clarke, R. J., Green, J. S., Kneip, S., Markey, K., Nagel, S. R., Simpson, P. T., Willingale, L., McKenna, P., Neely, D., Najmudin, Z., Krushelnick, K., Norreys, P. A., Zepf, M., Dromey, B., Adams, D., Kar, S., Bellei, C., Carroll, D. C., Clarke, R. J., Green, J. S., Kneip, S., Markey, K., Nagel, S. R., Simpson, P. T., Willingale, L., McKenna, P., Neely, D., Najmudin, Z., Krushelnick, K., Norreys, P. A., and Zepf, M.

Abstract

X-ray harmonic radiation extending to 3.3 Å, 3.8 keV from Petawatt class laser-solid interactions is presented. The harmonic spectra display a relativistic limit scaling up to ~3000th order, above which an intensity dependent scaling roll-over is observed. Highly directional beamed emission for harmonic photon energy hν > 1 keV is found to be into a cone angle < 4°, significantly less than that of the incident laser cone (20°).

Published
2009
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2. Laser-driven target for fast-ignition demonstration

Author

Atzeni, S., Bellei, C., Schiavi, A., Atzeni, S., Bellei, C., and Schiavi, A.

Abstract

The basis for the design of a direct-drive target for demonstrating inertial fusion fast ignition and burn propagation is discussed. A preliminary design of a target driven by a pulse of about 300 kJ and ignited by an ultraintense pulse of about 100 kJ is presented and illustrated by 1-D simulations of the implosion stage and 2-D simulations of ignition and burn.

Published
2006
Full Text
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3. High brightness keV harmonics from relativistically oscillating plasma surfaces

Author

Dromey, B., Adams, D., Kar, S., Bellei, C., Carroll, D. C., Clarke, R. J., Green, J. S., Kneip, S., Markey, K., Nagel, S. R., Simpson, P. T., Willingale, L., McKenna, P., Neely, D., Najmudin, Z., Krushelnick, K., Norreys, P. A., and Zepf, M.

Abstract

Abstract: X-ray harmonic radiation extending to 3.3 Å, 3.8 keV from Petawatt class laser-solid interactions is presented. The harmonic spectra display a relativistic limit scaling up to ~3000th order, above which an intensity dependent scaling roll-over is observed. Highly directional beamed emission for harmonic photon energy hν > 1 keV is found to be into a cone angle < 4°, significantly less than that of the incident laser cone (20°).

Published
2009
Full Text
View/download PDF

4. Laser-driven target for fast-ignition demonstration

Author

Atzeni, S., Bellei, C., and Schiavi, A.

Abstract

The basis for the design of a direct-drive target for demonstrating inertial fusion fast ignition and burn propagation is discussed. A preliminary design of a target driven by a pulse of about 300?kJ and ignited by an ultraintense pulse of about 100?kJ is presented and illustrated by 1-D simulations of the implosion stage and 2-D simulations of ignition and burn.

Published
2006

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