| Paper | Title | Page |
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TUP020 |
Development of Stripline Fast Faraday Cup at MEBT of RAON | |
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| RAON (Rare isotope accelerator complex for On-line experiment) is an accelerator that accelerates heavy ions such as uranium, oxygen, and protons. In the MEBT section, the ion beam is accelerated and focused by RFQ, has bunch structure with a period of 81.25 MHz, and has an energy of 507 keV/u. To measure the shape of a beam, the transverse and longitudinal profiles should be obtained using beam diagnostic device. To measure bunch lengths of less than 1 ns, 50 Ω matched stripline type fast faraday cup was fabricated and the signal was amplified by a 4 GHz broadband signal amplifier with a gain of 42 dB. The amplified signal was measured using an oscilloscope with a high sampling frequency of 25 GSPS and a wide frequency bandwidth of 4 GHz. The developed fast faraday cup was installed at the end of the MEBT in front of SCL3. This poster describes the design of a stripline fast faraday cup and the results of measuring the bunch length at a MEBT section using Ar 9+ at 30 uA current. | ||
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