25 citations · 66 across the 8 of their papers we have counts for
9 papers
Impact of metallographic polishing on the RF properties of Niobium for SRF applications
Oleksandr Hryhorenko, Anne-Marie Valente-Feliciano, David Longuevergne +6
The performance of superconducting radio-frequency (SRF) cavities made of Niobium is tied to the quality of their inner surfaces exposed to the radio frequency (RF) waves. Future s…
Preparation of the First Cu-based NbSn Sample via Bronze Route for Quadrupole Resonator Testing
Ming Lu, Sebastian Keckert, Felix Kramer +4
We report the first successful production of a Cu-based NbSn sample specifically designed for Quadrupole Resonator (QPR) testing, representing a significant step toward scalabl…
Recent advances in metallographic polishing for SRF application
O. Hryhorenko, C. Z. Antoine, T. Proslier +6
This paper is an overview of the metallographic polishing R&D program covering Niobium and Copper substrates treatment for thin film coating as an alternative fabrication pathway f…
Improved RF Performance of Niobium Cavities via In-situ Vacuum Heat Treatment Technique
Yegor Tamashevich, Alena Prudnikava, Alexander Matveenko +3
Vacuum thermal treatments (baking) are known to improve the superconducting properties of the RF surface layer of niobium cavities, and are employed as a last processing step to in…
Next-Generation Superconducting RF Technology based on Advanced Thin Film Technologies and Innovative Materials for Accelerator Enhanced Performance and Energy Reach
A. - M. Valente-Feliciano, C. Antoine, S. Anlage +25
Superconducting RF is a key technology for future particle accelerators, now relying on advanced surfaces beyond bulk Nb for a leap in performance and efficiency. The SRF thin film…
Mitigation of parasitic losses in the quadrupole resonator enabling direct measurements of low residual resistances of SRF samples
S. Keckert, W. Ackermann, H. De Gersem +8
The quadrupole resonator (QPR) is a dedicated sample-test cavity for the RF characterization of superconducting samples in a wide temperature, RF field and frequency range. Its mai…
Magnetometric Mapping of Superconducting RF Cavities
B. Schmitz, J. Köszegi, K. Alomari +2
A scalable mapping system for superconducting RF cavities is presented. Currently, it combines local temperature measurement with 3D magnetic field mapping along the outer surface…
High-Q operation of SRF cavities: The potential impact of thermocurrents on the RF surface resistance
J. -M. Vogt, O. Kugeler, J. Knobloch
For many new accelerator applications, superconducting radio frequency (SRF) systems are the enabling technology. In particular for CW applications, much effort is being expended t…
Dark Current Measurements on a Superconducting Cavity using a Cryogenic Current Comparator
R. Geithner, R. Neubert, W. Vodel +6
This paper presents non-destructive dark current measurements of superconducting TESLA cavities for superconducting LINACs. The measurements were carried out in a highly disturbed…