Wojciech Grabowski

Beam diagnostic analysis of the accelerator systems commissioning line in the Early Neutron Source Project

Wojciech Grabowski, Anna Wysocka-Rabin

Abstract This study summarizes the final stage of work done at NCBJ in conjunction with the ongoing large scale International Fusion Materials Facility: Demo Oriented Neutron Source (DONES) project. DONES will be a neutron source with sufficiently high intensity and spectral range …

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Author Correction: A MHz-repetition-rate hard X-ray free-electron laser driven by a superconducting linear accelerator

Winfried Decking, Suren Abeghyan, P. Abramian, A. Abramsky et autres

de, es, ru, bg, fr, ch, it, se, pl (code pays fourni par la source)

A MHz-repetition-rate hard X-ray free-electron laser driven by a superconducting linear accelerator

Winfried Decking, Suren Abeghyan, P. Abramian, A. Abramsky et autres

de, es, ru, bg, ch, fr, it, se, pl (code pays fourni par la source)

Polish Input to Beam Dynamic Research for a Superconductive Linear Accelerator in the Early Neutron Source Project

Wojciech Grabowski, M. Staszczak, Anna Wysocka-Rabin

Polish contribution to final beam dynamic calculations for accelerator system analysis in the Early Neutron Source project

Wojciech Grabowski, Konrad Kosiński, M.J. Mackowski, M. Staszczak et autres

The DEMO Oriented Neutron Source (DONES; DEMO -- DEMOnstration Power Station) is part of the Early Neutron Source (ENS), one of the EUROfusion work packages. The DONES system is designed to provide an accelerator-based D-Li neutron source that produces high energy neutrons …

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Review and present status of preparation of thin layer lead photocathodes for e-injectors of superconducting RF linacs

J. Lorkiewicz, R. Nietubyć, J. Sekutowicz, Marek Barlak et autres

Results are reported on using evaporation and UHV arc lead deposition to create thin-layer superconducting Pb photocathodes on niobium wall of electron gun. Evaporated photocathodes were prepared and tested for the first time in 2014. A complete XFEL-type photo-injector with an evaporated …

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Research and development towards duty factor upgrade of the European X-Ray Free Electron Laser linac

J. Sekutowicz, V. Ayvazyan, Marek Barlak, Julien Branlard et autres

We discuss the progress in the R program for a future upgrade of the European XFEL facility, namely for an operation in the continuous wave (cw) and long pulse (lp) modes, which will allow for significantly more flexibility in the electron and …

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SHAPE OPTIMIZATION OF A SRF INJECTOR CAVITY

J. Sekutowicz, T. Wasiewicz, Wojciech Grabowski

In this paper we present studies on the shape optimization of 1.6-cell cavity with solenoid for a 1-mA class photo injector, meant as an electron source for FEL facilities. The main criterion for the optimization was the lowest slice emittance. The inclination …

The optical bridge: a fully fledged test-case for micro-optical simulations

Youri Meuret, Iñigo Artundo, Norbert Lindlein, Ingo Sieber et autres

Optical switch based on polymer waveguides

Jedrzej Nowosielski, Himanshu Suyal, Aongus McCarthy, Wojciech Grabowski et autres

In this paper we present a novel concept of NxN switch with full reconfigurability. A rapid prototyping technique based on direct laser writing is considered as an implementation technology. As a first step towards an NxN switch, the experimentally properties of 2x2 …

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Semi-derivative real filter for quality measurement of microlenses array

Rafał Kasztelanic, Wojciech Grabowski, Arkadiusz Sagan, Jinsong Liu et autres

We proposed a new kind of setup for the automatic control of the quality of micro lens array, which is based on semiderivative real filter. With the use of the 4f correlator setup with a semiderivative filter placed in the Fourier plane …

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An Improved Model for Ion Implantation in Two-Dimensions and Application to the Analysis of LDD Device Performance

T.L. Crandle, Steve Motzny, D.E. Ward, Wojciech Grabowski et autres

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