Abstract
Shock pressure generated in aluminum targets due to the interaction of 0.44 μm (3 ω of iodine laser) laser radiation has been studied. The laser intensity profile was smoothed using phase zone plates. Aluminum step targets were irradiated at an intensity I ≈ 1014 W/cm2. Shock velocity in the aluminum target was estimated by detecting the shock luminosity from the target rear using a streak camera to infer the shock pressure. Experimental results show a good agreement with the theoretical model based on the delocalized laser absorption approximation. In the present report, we explicitly discuss the importance of target thickness on the shock pressure scaling.
| Original language | English |
|---|---|
| Pages (from-to) | 481-487 |
| Number of pages | 7 |
| Journal | Laser and Particle Beams |
| Volume | 21 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - 1 Dec 2003 |
| Externally published | Yes |
Keywords
- Rear target luminosity
- Shock pressure
- Short laser wavelength interaction
- Streak images
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