Nitrogen infusion R&D at DESY a case study on cavity cut-outs
M Wenskat, C Bate, AD Pandey… - Superconductor …, 2020 - iopscience.iop.org
A first series of nitrogen infusion runs of 1.3 GHz single-cell cavities at DESY resulted in an
unexpected and severe deterioration observed during the vertical cold test. To investigate …
unexpected and severe deterioration observed during the vertical cold test. To investigate …
Quench-spot detection for superconducting accelerator cavities via flow visualization in superfluid helium-4
Superconducting radio-frequency (SRF) cavities, cooled by superfluid helium-4 (He II), are
key components in modern particle accelerators. Quenches in SRF cavities caused by Joule …
key components in modern particle accelerators. Quenches in SRF cavities caused by Joule …
Kinematic Model Pruning: A Design Optimization Technique for Simultaneous Optimization of Topology and Geometry
H Gamper, A Luthi, H Gattringer, A Mueller, M Di Castro - Robotics, 2022 - mdpi.com
This paper presents a method of optimizing the design of robotic manipulators using a novel
kinematic model pruning technique. The optimization departs from an predefined candidate …
kinematic model pruning technique. The optimization departs from an predefined candidate …
Optical surface properties and their RF limitations of European XFEL cavities
M Wenskat - Superconductor Science and Technology, 2017 - iopscience.iop.org
The inner surface of superconducting cavities plays a crucial role to achieve highest
accelerating fields and low losses. The industrial fabrication of cavities for the European X …
accelerating fields and low losses. The industrial fabrication of cavities for the European X …
JACOW: Camera Placement in a Short Working Distance Optical Inspection System for RF Cavities
A Macpherson, M Di Castro, A Luthi, LR Buonocore… - JACoW SRF, 2022 - cds.cern.ch
Inspection of the RF surface of cavities for the purpose of detecting surface anomalies has
been well established, and is typically based on long working distance optical systems using …
been well established, and is typically based on long working distance optical systems using …
[PDF][PDF] Systematic studies of a cavity quench localization system
B Bein - 2019 - bib-pubdb1.desy.de
Several tools for quench localization at Superconducting Radio Frequency cavities exist.
One of these techniques uses the excitation of temperature waves in liquid Helium below the …
One of these techniques uses the excitation of temperature waves in liquid Helium below the …
First attempts in automated defect recognition in superconducting radio-frequency cavities
M Wenskat - Journal of Instrumentation, 2019 - iopscience.iop.org
The inner surface of superconducting cavities plays a crucial role to achieve highest
accelerating fields. The industrial fabrication of cavities for the European X-Ray Free …
accelerating fields. The industrial fabrication of cavities for the European X-Ray Free …