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@InProceedings{sharma:ibic2020-thpp21,
author = {A. Sharma and R.K. Gangwar and B.K. Sahu},
title = {{Design and Development of a Novel Stripline Fast Faraday Cup to Measure Ion Beam Profile}},
booktitle = {Proc. IBIC'20},
pages = {246--249},
paper = {THPP21},
language = {english},
keywords = {simulation, impedance, cavity, GUI, linac},
venue = {Santos, Brazil},
series = {International Beam Instrumentation Conference},
number = {9},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {10},
year = {2020},
issn = {2673-5350},
isbn = {978-3-95450-222-6},
doi = {10.18429/JACoW-IBIC2020-THPP21},
url = {https://www.jacow.org/ibic2020/papers/thpp21.pdf},
note = {https://doi.org/10.18429/JACoW-IBIC2020-THPP21},
abstract = {Present day heavy ion accelerators use bunched ion beams of sub-nanosecond time scale for beam acceleration. In order to monitor its longitudinal profile, fast faraday Cups are employed. Owing to the advent of microstrip technology and its fabrication process, planar structures have become easier to fabricate. A novel design using the same is developed with a special provision for mounting edge launch connectors through a microstripline, followed by a microstrip to stripline transistion to again a microstrip structure in the beam interaction hole. The entire structure is a 50 Ω & is bidirectional. An experimental study on via placement around central strip has also been conducted to not only ensure the field containment around the strip but also for bandwidth enhancement. To measure ion beam currents from 10-100 nA and a bunch width of < 1ns, device has been beam interaction hole of around 10mm. 3 dB bandwidth is measured >6 GHz with a rise time of ~60 ps. The devices are also provided with a bias ring on the topmost layer of the 3 layer architecture for electron suppression. In this paper, design, fabrication and RF testing stripline fast faraday cup is presented.},
}