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EnglishMultiple charge heavy ion pulses were extracted from a plasma produced by an XeCl excimer laser beam at a relatively low flux ( approximately 30 MW/cm2) focused on Si, Ge, Mg and Zn targets. An output peak current of Si3+ ions of 375 mA was recorded at an acceleration voltage of 200 V only. The insertion of a variable capacitance between the target holder and the acceleration electrode allows a self-bunching of the ion beam. When a W target was used, a higher incident laser flux ( approximately 90 MW/cm2) was necessary in order to produce ions from it.
http://hdl.handle.net/11587/108513| Titolo: | GENERATION OF SELF-PULSED MULTIPLY-CHARGED IONS BY AN XECL EXCIMER LASER |
| Autori interni: | MARTINO, Maurizio NASSISI, Vincenzo PERRONE, Alessio |
| Data di pubblicazione: | 1992 |
| Rivista: | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT |
| Abstract: | Multiple charge heavy ion pulses were extracted from a plasma produced by an XeCl excimer laser beam at a relatively low flux ( approximately 30 MW/cm2) focused on Si, Ge, Mg and Zn targets. An output peak current of Si3+ ions of 375 mA was recorded at an acceleration voltage of 200 V only. The insertion of a variable capacitance between the target holder and the acceleration electrode allows a self-bunching of the ion beam. When a W target was used, a higher incident laser flux ( approximately 90 MW/cm2) was necessary in order to produce ions from it. |
| Handle: | http://hdl.handle.net/11587/108513 |
| Appare nelle tipologie: | Articolo pubblicato su Rivista |
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