Abstract
We report on studies of plasmas, formed by the interaction of 80 fs, 1 J Ti:Sapphire laser pulses with solid matter. The laser intensity was 5 × 1019 W/cm2. The Kα1, 2 X-ray emission spectra at ≈4.5 keV were measured using a toroidally bent GaAs (400) crystal spectrometer with the spectral and spatial resolutions of 0.3 eV and 4 μm, respectively. A Si (220) polarizer was used for determining the polarization properties of the recorded emission. A strong polarization dependence of the Kα satellite emission was observed, which may indicate an anisotropy of the relativistic electron velocity distribution. Also, electrons with energies in the range of 500 keV-13 MeV were detected using an electron spectrometer.
| Original language | English |
|---|---|
| Pages (from-to) | 297-301 |
| Number of pages | 5 |
| Journal | High Energy Density Physics |
| Volume | 3 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - May 2007 |
Bibliographical note
Funding Information:This work was partially supported by the German-Israeli Project Cooperation, Foundation (DIP), by the Deutsche Forschungsgemeinschaft (project B6 in Sonderforschungsbereich SFB-TR 18) and Laserlab Europe.
Funding
This work was partially supported by the German-Israeli Project Cooperation, Foundation (DIP), by the Deutsche Forschungsgemeinschaft (project B6 in Sonderforschungsbereich SFB-TR 18) and Laserlab Europe.
| Funders |
|---|
| DIP |
| German-Israeli Project Cooperation, Foundation |
| Laserlab-Europe |
| Deutsche Forschungsgemeinschaft |
Keywords
- Laser-plasma interactions
- Line profiles
- Polarization spectroscopy
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