Dominik Sikora
Warsaw University of Technology
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Publication
Featured researches published by Dominik Sikora.
ieee-npss real-time conference | 2014
Uros Mavric; Krzysztof Czuba; Frank Ludwig; Matthias C. Hoffmann; Jan Piekarski; Holger Schlarb; Dominik Sikora
One of the major benefit of the MicroTCA.4 system is to combine high-speed digital data processing AMC boards with high precision analog signal conditioning RTM boards. We present a multi-channel down-converter based on the MicroTCA.4 system operating in the 1GHz to 4GHz range with an excellent short-term amplitude stability of 6.5E-5 and phase stability of 3.5E-3 degree within a 1MHz bandwidth at 1.3GHz. The down-converter consists of the entire receiver, packed as an RTM board, which down converts the high frequency signal into an intermediate frequency, which is non-IQ sampled by a multi-channel 16-bit digitizer realized as an AMC board. We present all relevant signals along the detection chain and discuss the signal integrity within the RTM and AMC boards for a spurious free operation of the best ADCs available today.
ieee-npss real-time conference | 2014
Christian Schmidt; Valeri Ayvazyan; Julien Branlard; Lukasz Butkowski; Olaf Hensler; Matthias C. Hoffmann; Martin Killenberg; Frank Ludwig; Uros Mavric; Sven Pfeiffer; Konrad Przygoda; Holger Schlarb; W. Cichalewski; Dariusz Makowski; Adam Piotrowski; Krzystof Czuba; Igor Rutkowski; Dominik Sikora; Mateusz Zukocinski
The Free Electron Laser in Hamburg (FLASH) is a large scale user facility, providing highly stable and brilliant laser pulses down to a wavelength of 4.1 nm. Essential for stable and reproducible photon beam is the precision control of the electron bunch parameters. The acceleration principle of the electron bunches at FLASH is based on superconducting RF technology (SRF), in which the RF fields are controlled by a digital low level RF (LLRF) system. This system has been recently upgraded to the Micro Telecommunication Computing Architecture (MicroTCA.4) to improve the performance of the field regulation. This paper presents the first measurements and operation experiences using this new electronic crate standard at a large scale research facility. RF field regulation is carried out by real time fast digital processing on several boards in a MicroTCA.4 crate, and slow automation routines running on a dual core i7 front-end CPU. Scalability and modularity of this system is one of the key parameters to meet the next steps, namely being the platform standard for the European X-ray free electron laser currently build at DESY.
Archive | 2012
Julien Branlard; Gohar Ayvazyan; Valeri Ayvazyan; Mariusz Grecki; Mathias Hoffman; Tomasz Jezynski; Tomas Lamb; Frank Ludwig; Uros Mavric; Stephen Pfeiffer; Christian Schmidt; Bin Yang; Holger Schlarb; Pawel Barmuta; Samer Bou Habib; Łukasz Butkowski; Krzysztof Czuba; Maciej Grzegrzolka; Ewa Janas; Jan Piekarski; Igor Rutkowski; Dominik Sikora; Łukasz Zembala; Mateusz Żukociński; Aleksander Mielczarek; Przemysław Perek; Tadeusz Poźniak; Andrzej Piotrowski; Konrad Przygoda; Andrzej Napieralski
international conference mixed design of integrated circuits and systems | 2013
Julien Branlard; Gohar Ayvazyan; Valeri Ayvazyan; Mariusz Grecki; Matthias C. Hoffmann; Tomasz Jezynski; Frank Ludwig; Uros Mavric; Sven Pfeiffer; Holger Schlarb; Christian Schmidt; Henning Weddig; Bin Yang; Pawel Barmuta; Samer Bou Habib; Lukasz Butkowski; Krzysztof Czuba; Maciej Grzegrzolka; Ewa Janas; Jan Piekarski; Igor Rutkowski; Dominik Sikora; Lukasz Zembala; Mateusz Zukocinski; W. Cichalewski; Wojciech Jalmuzna; Dariusz Makowski; Aleksander Mielczarek; Andrzej Napieralski; Piotr Perek
Archive | 2013
C. Schmidt; Gohar Ayvazyan; Valeri Ayvazyan; Julien Branlard; Mariusz Grecki; Matthias C. Hoffmann; Frank Ludwig; U. Mavri; S. Pfeiffer; Holger Schlarb; Henning-Christof Weddig; Bin Yang; Pawel Barmuta; S. Bou Habib; Krzysztof Czuba; Ewa Janas; Jan Piekarski; Igor Rutkowski; Dominik Sikora; W. Cichalewski; Aleksander Mielczarek; Andrzej Napieralski; Piotr Perek; A. Piotrowski; K. Przygoda; Krzysztof Oliwa; W. Wierba
5th Int. Particle Accelerator Conf. (IPAC'14), Dresden, Germany, June 15-20, 2014 | 2014
Christian Schmidt; Valeri Ayvazyan; Julien Branlard; Lukasz Butkowski; Wojciech Cichalewski; Krzysztof Czuba; Mariusz Grecki; Matthias C. Hoffmann; Ignacy Kudla; Frank Ludwig; Dariusz Makowski; Uros Mavric; Krzysztof Oliwa; Adam Piotrowski; Konrad Przygoda; Igor Rutkowski; Holger Schlarb; Dominik Sikora; Henning Weddig; Wojciech Wierba; Bin Yang; Mateusz Żukociński
8th International Particle Accelerator Conference | 2017
Julien Branlard; Nadeem Shehzad; Konrad Przygoda; Tomasz Lesniak; Bin Yang; Pawel Jatczak; Uros Mavric; W. Wierba; Robert Wedel; Mateusz Wiencek; Dominik Sikora; Geogin Varghese; Sven Pfeiffer; Heinrich Pryschelski; Ayla S. Nawaz; Martin Killenberg; Mathieu Omet; Markus Hoffmann; Krzysztof Czuba; Dariusz Makowski; Frank Ludwig; Michael Fenner; Lukasz Butkowski; Christian Schmidt; Henning-Christof Weddig; Valeri Ayvazyan; Radoslaw Rybaniec; Aleksander Mielczarek; Denis Kostin; Krzysztof Oliwa
6th International Particle Accelerator Conference | 2015
Julien Branlard; S. Bou Habib; Krzysztof T. Pozniak; Konrad Przygoda; Matthias C. Hoffmann; Ewa Janas; C. Schmidt; Maciej Grzegrzolka; Jan Piekarski; Valeri Ayvazyan; Henning-Christof Weddig; Krzysztof Czuba; Gohar Ayvazyan; Mateusz Zukocinski; Uros Mavric; S. Pfeiffer; W. Wierba; Lukasz Zembala; Radoslaw Rybaniec; Aleksander Mielczarek; Krzysztof Oliwa; Dariusz Makowski; Dominik Sikora; W. Cichalewski; H. Schlarb; Lukasz Butkowski; Bin Yang; Frank Ludwig; Mariusz Grecki; Mathieu Omet
5th Int. Particle Accelerator Conf. (IPAC'14), Dresden, Germany, June 15-20, 2014 | 2014
Lukasz Zembala; Julien Branlard; Krzysztof Czuba; Bartosz Gąsowski; Holger Schlarb; Dominik Sikora; Henning Weddig
Archive | 2013
Jaroslaw Szewinski; Stefan Korolczuk; Bou Habib; Jaroslaw Dobosz; Dominik Sikora; Ise Wut; Holger Schlarb
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