Physics
Scientific paper
Jun 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002phrve..65f7401f&link_type=abstract
Physical Review E, vol. 65, Issue 6, id. 067401
Physics
2
X-Ray And Gamma-Ray Measurements, Electromagnetic Wave Propagation, Radiowave Propagation, Plasma Diagnostic Techniques And Instrumentation, Interferometry
Scientific paper
In this paper, the propagation of x-rays in laser-produced plasma is studied both analytically and numerically. The coupling relation between phase and amplitude of x-rays is derived, the solutions with higher-order corrections are given where the higher-order electron-density gradients have been taken into account. An important parameter η was introduced, which is related to the errors of the electron-density measurement using x-ray interferometry. It is justified that so long as η<1, the x-ray interferometry can be used for the measurement of electron density and for greater value of η, higher-order modifications are needed.
Fu Xiquan
Guo Hong
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