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In this article experiments are presented that demonstrate the process leading to isotropisation of the radiation field in a cavity heated by thermal X-rays. Gold, cylindrical cavities 500 microns in diameter were heated from one side by approximately 154 eV thermal radiation from a laser plasma. The effect of the re-emission in transporting energy along the cylinder axis was ascertained by comparing the axial temperature profile of open and closed geometry targets. The results are in good agreement with a theoretical model for the redistribution of energy via absorption and re-emission of thermal radiation.

Additional information

Authors: STÖCKL C, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);TSAKIRIS G D, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);STOCKL C, Max-Planck-Institut fur Plasmaphysik, Garching bei Munchen (DE)
Bibliographic Reference: Article: Physical Review Letters, Vol. 70 (1993) No. 7, pp. 943-946
Record Number: 199310738 / Last updated on: 1994-11-29
Original language: en
Available languages: en
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