Accelerator development at the FREIA Laboratory
Abstract The FREIA Laboratory at Uppsala University focuses on superconducting
technology and accelerator development. It actively supports the development of the …
technology and accelerator development. It actively supports the development of the …
An 8-1 single-stage 10-kW planar Gysel power combiner at 352 MHz
M Jobs, D Dancila, J Eriksson… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
A compact single-stage 8-1 Gysel Combiner in planar technology for operation with 352-
MHz pulses with peak output power of 10 kW has been designed, manufactured, and tested …
MHz pulses with peak output power of 10 kW has been designed, manufactured, and tested …
Kilowatt‐level power amplifier in a single‐ended architecture at 352 MHz
L Haapala, A Eriksson, L Hoang Duc… - Electronics …, 2016 - Wiley Online Library
The feasibility and very good performance of a kilowatt‐level power amplifier in a single‐
ended architecture, intended for energy systems are demonstrated. The prototype is …
ended architecture, intended for energy systems are demonstrated. The prototype is …
[HTML][HTML] Scattering statistics in nonlinear wave chaotic systems
The Random Coupling Model (RCM) is a statistical approach for studying the scattering
properties of linear wave chaotic systems in the semi-classical regime. Its success has been …
properties of linear wave chaotic systems in the semi-classical regime. Its success has been …
[PDF][PDF] The new FREIA laboratory for accelerator development
The FREIA laboratory is a Facility for REsearch Instrumentation and Accelerator
Development at Uppsala University, Sweden, constructed recently to develop and test …
Development at Uppsala University, Sweden, constructed recently to develop and test …
12-Way 100 kW reentrant cavity-based power combiner with doorknob couplers
VA Goryashko, M Jobs, LH Duc… - IEEE Microwave and …, 2018 - ieeexplore.ieee.org
We present radio frequency (RF) and thermal characterization of a compact 12-way power
combiner designed for operation at 352 MHz at a power level of 100 kW with 5% duty factor …
combiner designed for operation at 352 MHz at a power level of 100 kW with 5% duty factor …
An advanced solid-state RF power source maximizing energy efficiency for optimal superconducting RF cavity charging
LH Duc, D Dancila - International Journal of Microwave and Wireless …, 2024 - cambridge.org
This paper outlines an experimental demonstration of an envelope tracking (ET) technique
applied to a kilowatt-level single-ended solid-state power amplifier (SSPA), aimed at …
applied to a kilowatt-level single-ended solid-state power amplifier (SSPA), aimed at …
Time domain characterization of high power solid state amplifiers for the next generation linear accelerators
L Hoang Duc, A Bhattacharyya… - Microwave and …, 2018 - Wiley Online Library
This paper presents the time‐domain characterization of high power pulsed solid state
amplifiers to be used for linear accelerator applications. The study comprises nonlinear …
amplifiers to be used for linear accelerator applications. The study comprises nonlinear …
[HTML][HTML] High power radio frequency solid-state amplifiers and combiners for particle accelerators: From module to system design approach
L Hoang - 2019 - diva-portal.org
Future RF power generation systems built around solid state PAs need also efficient
combining strategies. Two engineering design solutions are investigated in this thesis …
combining strategies. Two engineering design solutions are investigated in this thesis …
[HTML][HTML] From macroscopic to microscopic dynamics of superconducting cavities
A Bhattacharyya - 2018 - diva-portal.org
Cavities. Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of
Science and Technology 1638. 75 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91 …
Science and Technology 1638. 75 pp. Uppsala: Acta Universitatis Upsaliensis. ISBN 978-91 …