Chakera, J. A. ; Arora, V. ; Sailaja, S. ; Kumbhare, S. R. ; Naik, P. A. ; Gupta, P. D. ; Gupta, N. K. ; Godwal, B. K. (2003) Dependence of soft x-ray conversion on atomic composition in laser produced plasma of gold-copper mix-z targets Applied Physics Letters, 83 (27). pp. 27-29. ISSN 0003-6951
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Official URL: http://link.aip.org/link/?APPLAB/83/27/1
Related URL: http://dx.doi.org/10.1063/1.1591061
Abstract
A comparative experimental study of soft x-ray emission from laser-irradiated Au-Cu mix-Z targets of different atomic compositions has been performed. Plasma was produced from planar targets using second-harmonic laser pulses from an Nd: glass laser at a focused intensity of ~ 1013Wcm-2. Radiation intensity in the spectral region ~15-150Å and integrated x-ray yield for mix-Z target were observed to be higher than those for individual elements. The maximum conversion occurred for an atomic composition of Au 0.43-Cu 0.57. These observations are consistent with the variation of Rosseland mean opacity with atomic composition calculated using a screened hydrogenic average atom model.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 11930 |
| Deposited On: | 13 Nov 2010 13:32 |
| Last Modified: | 02 Jun 2011 08:57 |
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