Plasma treatment of bulk niobium surface for superconducting rf cavities: Optimization of the experimental conditions on flat samples M Rašković, J Upadhyay, L Vušković, S Popović, AM Valente-Feliciano, ... Physical Review Special Topics-Accelerators and Beams 13 (11), 112001, 2010 | 21 | 2010 |
Plasma processing of large curved surfaces for superconducting rf cavity modification J Upadhyay, D Im, S Popović, AM Valente-Feliciano, L Phillips, ... Physical Review Special Topics-Accelerators and Beams 17 (12), 122001, 2014 | 14 | 2014 |
High etching rates of bulk Nb in microwave discharge M Rašković, S Popović, J Upadhyay, L Vušković, L Phillips, ... Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 27 (2 …, 2009 | 14 | 2009 |
Continuous and coordinated efforts of structure wakefield acceleration (SWFA) development for an energy frontier machine C Jing, J Power, J Shao, G Ha, P Piot, X Lu, A Zholents, A Kanareykin, ... arXiv preprint arXiv:2203.08275, 2022 | 12 | 2022 |
Etching mechanism of niobium in coaxial Ar/Cl2 radio frequency plasma J Upadhyay, D Im, S Popović, AM Valente-Feliciano, L Phillips, ... Journal of Applied Physics 117 (11), 2015 | 12 | 2015 |
Apparatus and method for plasma processing of SRF cavities J Upadhyay, D Im, J Peshl, M Bašović, S Popović, AM Valente-Feliciano, ... Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2016 | 11 | 2016 |
Effect of self-bias on cylindrical capacitive discharge for processing of inner walls of tubular structures—Case of SRF cavities J Upadhyay, J Peshl, S Popović, AM Valente-Feliciano, L Vušković AIP advances 8 (8), 2018 | 9 | 2018 |
Reversal of the asymmetry in a cylindrical coaxial capacitively coupled Ar/Cl2 plasma J Upadhyay, D Im, S Popović, L Vušković, AM Valente-Feliciano, ... Journal of Vacuum Science & Technology A 33 (6), 2015 | 7 | 2015 |
Plasma processing of large surfaces with application to SRF cavity modification J Upadhyay, S Popovic, L Vuskovic, D Im, AM Valente, H Phillips Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA …, 2013 | 5 | 2013 |
Large-volume resonant microwave discharge for plasma cleaning of a CEBAF 5-cell SRF cavity J Mammosser, S Ahmed, K Macha, J Upadhyay, M Nikolić, S Popović Proc. of IPAC 2012, 2012 | 5 | 2012 |
Cryogenic rf test of the first SRF cavity etched in an rf Ar/Cl2 plasma J Upadhyay, A Palczewski, S Popović, AM Valente-Feliciano, D Im, ... AIP Advances 7 (12), 2017 | 4 | 2017 |
On a dielectric-barrier and a microwave-cavity discharge in synchronized operation—the case of a helium/oxygen mixture M Nikolic, S Popovic, J Upadhyay, L Vuskovic, R Leiweke, B Ganguly Plasma Sources Science and Technology 21 (1), 015004, 2012 | 4 | 2012 |
Resonant-frequency discharge in a multi-cell radio frequency cavity S Popović, J Upadhyay, J Mammosser, M Nikolić, L Vušković Journal of Applied Physics 116 (17), 2014 | 3 | 2014 |
Plasma etching rates and surface composition of bulk niobium treated in ar/cl2 microwave discharge M Rašković, J Upadhyay, S Popović, L Vušković, AM Valente-Feliciano, ... Proceedings of EPAC08, 2008 | 3 | 2008 |
Plasma etching rates and surface composition of bulk niobium treated in ar/cl2 microwave discharge M Rašković, J Upadhyay, S Popović, L Vušković, AM Valente-Feliciano, ... Proceedings of EPAC08, 2008 | 3 | 2008 |
Design of a ceramic enhanced normal conducting standing wave accelerator structure for higher shunt impedance J Upadhyay, H Xu, K Nichols, JW Lewellen Nuclear Instruments and Methods in Physics Research Section A: Accelerators …, 2022 | 2 | 2022 |
Self-bias Dependence on Process Parameters in Asymmetric Cylindrical Coaxial Capacitively Coupled Plasma J Upadhyay, D Im, S Popović, AM Valente-Feliciano, L Phillips, ... arXiv preprint arXiv:1506.05167, 2015 | 2 | 2015 |
Study for Alternative Cavity wall and Inductive Insert Material CE Taylor, CF Chen, TW Hall, E Henestroza, J Lyles, J Upadhyay, ... Proceedings of the 2021 International Particle Accelerator Conference …, 2021 | 1 | 2021 |
Radio frequency plasma method for uniform surface processing of rf cavities and other three-dimensional structures S Popovic, J Upadhyay, L Vuskovic, HL Phillips, AM Valente-Feliciano US Patent 9,852,891, 2017 | 1 | 2017 |
The Effect of Process Parameters on the Surface Properties of Niobium During Plasma Etching J Peshl, S Popović, J Upadhyay, AM Valente-Feliciano, L Vušković 18th Int. Conf. on RF Superconductivity (SRF'17), Lanzhou, China, 628-630, 2017 | 1 | 2017 |