Extreme diffusion limited electropolishing of niobium radiofrequency cavities

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• 作者：Anthony C. Crawford¹ ; ^{acc52@fnal.gov}
• 关键词：SRF ; Niobium ; Cavity ; Electropolish ; Residual resistance
• 刊名：Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
• 出版年：2017
• 出版时间：21 March 2017
• 年：2017
• 卷：849
• 期：Complete
• 页码：5-10
• 全文大小：607 K
• 卷排序：849

文摘

A deeply modulated, regular, continuous, oscillating current waveform is reliably and repeatably achieved during electropolishing of niobium single-cell elliptical radiofrequency cavities. Details of the technique and cavity test results are reported here. The method is applicable for cavity frequencies in the range 500 MHz to 3.9 GHz and can be extended to multicell structures.