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Optical Faraday Cup for Heavy Ion Beams
| 题名： | Optical Faraday Cup for Heavy Ion Beams |
| 作者： | Yu, S.S.;Roy, P.K.;Eylon, S.;Bieniosek, F.M.;Bieniosek, Frank; |
| 关键词： | 70; ACCELERATORS; BEAM CURRENTS; CLOUDS; DIMENSIONS; FARADAY CUPS; HEAVY IONS; LIFETIME; PHOSPHORS; PLATES |
| 摘要： | We have been using alumina scintillators for imaging beams in heavy-ion beam fusion experiments in 2 to 4 transverse dimensions [1]. The scintillator has a limited lifetime under bombardment by the heavy ion beams. As a possible replacement for the scintillator, we are studying the technique of imaging the beam on a gas cloud. A gas cloud for imaging the beam may be created on a solid hole plate placed in the path of the beam, or by a localized gas jet. It is possible to image the beam using certain fast-quenching optical lines that closely follow beam current density and are independent of gas density. We describe this technique and show preliminary experimental data. This approach has promise to be a new fast beam current diagnostic on a nanosecond time scale. |
| 总页数： | 3 |
| 报告类型： | 科技报告 |
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