Temporal structure of X-ray radiation pulses of picosecond laser plasma
Journal Article
·
· Quantum Electronics (Woodbury, N.Y.)
- Central Research Institute of Machine Building, Korolev, Moscow region (Russian Federation)
- Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow (Russian Federation)
- All-Russian Institute of Automatics, Moscow (Russian Federation)
The shape of the X-ray pulse generated by picosecond laser plasma is experimentally studied. The unusual phenomenon was experimentally observed for the first time for targets made of moderate-heavy chemical elements, namely, the pulse of hard X-ray radiation generated by laser plasma at the laser radiation flux of ∼10{sup 18} W cm{sup -2} had a longer duration than the pulse of softer X-ray radiation. A simple kinetic model is suggested for explaining this fact. We have suggested a method for controlling the temporal shape of X-ray pulse emitted by laser plasma by varying the contrast of laser pulse. (interaction of laser radiation with matter)
- OSTI ID:
- 22303374
- Journal Information:
- Quantum Electronics (Woodbury, N.Y.), Vol. 43, Issue 9; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7818
- Country of Publication:
- United States
- Language:
- English
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