V. Arsov
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View article: SwissFEL double bunch operation
SwissFEL double bunch operation Open
SwissFEL has a unique capability, among the normal conducting linac-based light sources, to simultaneously serve two separate undulator lines (Aramis and Athos) up to the machine repetition rate of 100 Hz using the double bunch operation m…
View article: A compact and cost-effective hard X-ray free-electron laser driven by a high-brightness and low-energy electron beam
A compact and cost-effective hard X-ray free-electron laser driven by a high-brightness and low-energy electron beam Open
View article: The SwissFEL soft X-ray free-electron laser beamline: Athos
The SwissFEL soft X-ray free-electron laser beamline: Athos Open
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 architec…
View article: Status of Athos, the Soft X-Ray FEL Line of SwissFEL
Status of Athos, the Soft X-Ray FEL Line of SwissFEL Open
The Athos line will cover the photon energy range from 250 to 1900 eV and will operate in parallel to the hard X-ray line Aramis of SwissFEL. The paper will describe the current layout of the Athos FEL line starting from the fast kicker ma…
View article: First Results From the Bunch Arrival-Time Monitors at SwissFEL
First Results From the Bunch Arrival-Time Monitors at SwissFEL Open
Two Bunch Arrival-Time Monitors (BAM), based on fiber optical Mach-Zehnder intensity modulators, which encode the arrival-time information in the amplitude of the laser pulses delivered through a highly stable pulsed optical reference dist…
View article: Single-Mode Fiber Based Pulsed-Optical Timing Link with Few-Femtosecond Precision in SwissFEL
Single-Mode Fiber Based Pulsed-Optical Timing Link with Few-Femtosecond Precision in SwissFEL Open
We present results from a pulsed-optical timing link using single-mode fiber components installed in SwissFEL. The system shows 2.6-fs RMS timing jitter in [1 MHz -20 μHz] and presents a versatile alternative to polarization-maintaining ve…
View article: RF Jitter and Electron Beam Stability in the SwissFEL Linac
RF Jitter and Electron Beam Stability in the SwissFEL Linac Open
The X-ray FEL machine SwissFEL at the Paul Scherrer Institut in Switzerland is commissioned and transiting to user operation smoothly. FEL operation requires stringent requirements for the beam stability at the linac output, such as the el…
View article: SwissFEL Electron Beam Diagnostics Tools and their Control System Components
SwissFEL Electron Beam Diagnostics Tools and their Control System Components Open
The main driving part of the X-ray free electron laser facility (SwissFEL) at the Paul Scherrer Institute (PSI) is a compact electron linear accelerator (linac). The machine is highly optimized to generate a superior FEL radiation with the…
View article: Commissioning Results and First Operational Experience with SwissFEL Diagnostics
Commissioning Results and First Operational Experience with SwissFEL Diagnostics Open
SwissFEL is a free electron laser user facility at the Paul Scherrer Institute in Villigen, Switzerland designed to provide FEL radiation at photon energies ranging from 0.2 to 12 keV. Beam commissioning of the hard x-ray line ARAMIS has s…
View article: Design and Commissioning of the Bunch Arrival-Time Monitor for SwissFEL
Design and Commissioning of the Bunch Arrival-Time Monitor for SwissFEL Open
The Bunch Arrival-Time Monitor for SwissFEL (BAM) is based on the concept, which was successfully tested at the SwissFEL Test Facility [1]. During the gap between the SITF decommissioning and the start of SwissFEL, all key components under…
View article: Ultra-Stable Fiber-Optic Reference Distribution for SwissFEL C-Band Linacs Based on S-Band Radio-Over-Fiber Links and Frequency Doubler / Power Amplifiers
Ultra-Stable Fiber-Optic Reference Distribution for SwissFEL C-Band Linacs Based on S-Band Radio-Over-Fiber Links and Frequency Doubler / Power Amplifiers Open
The reference distribution for the SwissFEL accelerator is based on ultra-stable Libera Sync 3 fiber-optic links operating at 3 GHz with <2.4fs added timing jitter. While s-band injector RF stations are directly supplied with these activel…
View article: SwissFEL: The Swiss X-ray Free Electron Laser
SwissFEL: The Swiss X-ray Free Electron Laser Open
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 followin…
View article: Evaluation of the cone-shaped pickup performance for low charge sub-10 fs arrival-time measurements at free electron laser facilities
Evaluation of the cone-shaped pickup performance for low charge sub-10 fs arrival-time measurements at free electron laser facilities Open
An evaluation of the cone-shaped pickup performance as a part of the high bandwidth bunch arrival-time monitors (BAMs) for a low charge sub-10 fs arrival-time measurements is presented. Three sets of pickups are installed at the free elect…