Measurement of carbon ion photoabsorption cross sections using laser plasmas
Abstract
Laser plasmas are well-suited to studies of ionic photoabsorption because they can provide highly ionized, low temperature plasmas of high column density, as well as bright, compact continuum X-ray sources which can illuminate the plasma under study. In this experiment, continuum X-rays from a gold laser plasma are partially absorbed as they traverse a carbon plasma and are then dispersed by a grazing incidence reflection grating. An X-ray imaging camera records both the absorbed and unabsorbed spectra simultaneously for later computer analysis to determine the photoabsorption cross sections for each carbon ion species.
- Publication:
-
IAU Colloq. 115: High Resolution X-ray Spectroscopy of Cosmic Plasmas
- Pub Date:
- 1990
- Bibcode:
- 1990hrxr.conf...53W
- Keywords:
-
- Absorption Cross Sections;
- Grazing Incidence Telescopes;
- Laser Plasmas;
- Photoabsorption;
- X Ray Sources;
- Absorption Spectra;
- Active Galactic Nuclei;
- Carbon;
- Cataclysmic Variables;
- Electron States;
- X Ray Binaries;
- Plasma Physics