Publications by Rasmus Ischebeck

Inverse-Designed Narrowband THz Radiator for Ultrarelativistic Electrons

THz radiation finds various applications in science and technology. Pump-probe experiments at free-electron lasers typically rely on THz radiation generated by optical rectification of ultrafast laser pulses in electro-optic crystals. A compact and cost-ef ...

AMER CHEMICAL SOC2022

The SwissFEL soft X-ray free-electron laser beamline: Athos

Christoph Bostedt, Rasmus Ischebeck, Paolo Craievich, Christopher Alexander Arrell, Eugenio Ferrari, Thomas Schmidt, Thomas Schietinger, Sven Reiche

The SwissFEL soft X-ray free-electron laser (FEL) beamline Athos will be ready for user operation in 2021. Its design includes a novel layout of alternating magnetic chicanes and short undulator segments. Together with the APPLE X architecture of undulator ...

2019

Generation and measurement of sub-micrometer relativistic electron beams

Rasmus Ischebeck, Eugenio Ferrari, Christian David

The generation of low-emittance electron beams has received significant interest in recent years. Driven by the requirements of X-ray-free electron lasers, the emittance of photocathode injectors has been reduced significantly, with corresponding increase ...

NATURE PUBLISHING GROUP2018

The ACHIP experimental chambers at the Paul Scherrer Institut

Leonid Rivkin, Rasmus Ischebeck, Eugenio Ferrari, Sven Reiche, Christian David

The Accelerator on a Chip International Program (ACHIP) is an international collaboration, funded by the Gordon and Betty Moore Foundation, with the goal of demonstrating that laser-driven accelerator can be integrated on a chip to fully build an accelerat ...

ELSEVIER SCIENCE BV2018

SwissFEL: The Swiss X-ray Free Electron Laser

Leonid Rivkin, Rasmus Ischebeck, Paolo Craievich, Christoph Peter Hauri, Paul Beaud, Jochen Rittmann, Ishkhan Gorgisyan, Thomas Schmidt, Thomas Schietinger, Sven Reiche, Babak Kalantari, Lukas Stingelin

The SwissFEL X-ray Free Electron Laser (XFEL) facility started construction at the Paul Scherrer Institute (Villigen, Switzerland) in 2013 and will be ready to accept its first users in 2018 on the Aramis hard X-ray branch. In the following sections we wil ...

Mdpi Ag2017

THz streak camera method for synchronous arrival time measurement of two-color hard X-ray FEL pulses

Leonid Rivkin, Rasmus Ischebeck, Christoph Peter Hauri, Ishkhan Gorgisyan

The two-color operation of free electron laser (FEL) facilities allows the delivery of two FEL pulses with different energies, which opens new possibilities for user experiments. Measuring the arrival time of both FEL pulses relative to the external experi ...

Optical Society of America2017

High-precision x-ray FEL pulse arrival time measurements at SACLA by a THz streak camera with Xe clusters

Leonid Rivkin, Rasmus Ischebeck, Junqiu Liu, Christoph Peter Hauri, Ishkhan Gorgisyan

The accurate measurement of the arrival time of a hard X-ray free electron laser (FEL) pulse with respect to a laser is of utmost importance for pump-probe experiments proposed or carried out at FEL facilities around the world. This manuscript presents the ...

Optical Society of America2014

A scheme for a shot-to-shot, femtosecond-resolved pulse length and arrival time measurement of free electron laser x-ray pulses that overcomes the time jitter problem between the FEL and the laser

Rasmus Ischebeck, Christoph Peter Hauri, Fernando Ardana Lamas, Ishkhan Gorgisyan

The recent entry of X-ray free electron lasers (FELs) to all fields of physics has created an enormous need, both from scientists and operators, for better characterization of the beam created by these facilities. Of particular interest is the measurement ...

Institute of Physics2014

Electron beam characterization of a combined diode rf electron gun

Rasmus Ischebeck, Christoph Peter Hauri, Stefan Yves Gabriel Binder

Experimental and simulation results of an electron gun test facility, based on pulsed diode acceleration followed by a two-cell rf cavity at 1.5 GHz, are presented here. The main features of this diode-rf combination are: a high peak gradient in the diode ...

American Physical Society2010

Chat with Graph Search

Ask any question about EPFL courses, lectures, exercises, research, news, etc. or try the example questions below.

DISCLAIMER: The Graph Chatbot is not programmed to provide explicit or categorical answers to your questions. Rather, it transforms your questions into API requests that are distributed across the various IT services officially administered by EPFL. Its purpose is solely to collect and recommend relevant references to content that you can explore to help you answer your questions.