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The next SC meeting will take place on 4 November. The green trace shows the time profile of a single pulse with the photodiode in saturation. Further tests at the final wavelengths of About guests from politics, academia, administration, and business gathered to celebrate and visit the underground facilities in Schenefeld.

bedienungsan,eitung It is envisioned that CLARA will be dedicated to the production of ultra-short photon pulses of high-brightness coherent light. Baltimore, USA More information. First experiments should be possible by the end of The figure shows one of the single mode spectra obtained from FEL-2 at It was observed that there is a strong momentum in the development of FEL science in Europe.

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Krieg Mellrichstadt

It was agreed to give highest priority to strengthening the Collaboration and enhancing its visibility both at the European and international level. CLARA is therefore of direct relevance to the wider international accelerator community and will also ensure that the UK has all the skills required should it choose to develop its own future FEL facility. The pulses are so fast that the image is formed before the effects of the damage are felt. The spectrum of the record laser pulse peaks at a wavelength of 4.

This initial meeting gave an opportunity to participants to learn about on-going activities and interests of the various facilities on pulse length measurement from which common topics of interest for joint research activities will be identified and work plans developed.

The event was hosted by Helmholtz-Zentrum Berlin, one of the project partners. With combined efforts, the technologies and methods for operating and using these novel research facilities will be further developed and implemented, thus creating a unique European research infrastructure of short-pulse light sources, offering optimal experimental conditions for a wide range of scientific applications.


This CDR describes an exciting and ambitious new accelerator test facility for the UK which will be capable of testing many 4th and 5th generation light source techniques and technologies. The installation of a second FEL in the new metre-long tunnel and the construction of a second experimental hall with room for six experimental stations are planned in At the same time, the peak intensity of single light pulses nearly doubled, with 0.

Over 40 researcher experts in these fields took part to this workshop coming from several international research institutes.

For the first time FLASH has generated laser light in the so-called water window using the fundamental wavelength — so far this was only reached with laser harmonics. Various topics were discussed and a draft work plan for collaborative activities prepared. Furthermore a concept to reach new users has been presented and discussed. The full report can be downloaded at: For more information see news from PSI. Calculations had long predicted that these blasts of X-rays would allow exquisite measurements of the molecular structure of biological objects, from samples too small to be studied by conventional methods.

The yellow trace shows a series o seeded FEL pulses being turned on left and off center-right by changing the superposition between SEED laser pulses and electron pulses.

Additionally they prepared the Directors’ Meeting in Villingen end of November These can only be achieved by developing a state-of-the-art accelerator with the capability to drive current FEL designs. In order to achieve this vision, CLARA must be able to implement advanced techniques, such as laser seeding, laser-electron bunch manipulation, and femtosecond synchronisation. In this configuration the photons in the second stage are generated from a fresh portion of the electron bunch, which has not been heated by the seed of the first stage, overcoming the problem of the induced energy spread which limits the order of the harmonic conversion in a high-gain harmonic-generation seeded FEL.


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This is not only true for the users who have been served in routine operation sincebut also for accelerator physicists and developers who never run out of ideas on how to improve the facility. We use cookies to provide full functionality of our website.

The aim was to discuss new ideas which arise in the different laboratories, and to start joining the efforts for developing diagnostic systems 205 metrology. The consequence is that it is now possible to start signing the first order of the accelerator system. The main goal of the meeting was to decide on the procedure, the areas and the framework of their future collaboration.

The FEL pulse energy has been optimized to increase the flux to about uJ. The meeting began with members giving highlights on recent and on-going developments at their facilities bedienungssanleitung from progress in planning, construction, upgrade of existing facilities to experimental designs and user activities.

The undulator is based on six variable gap modules which may be tuned combining the higher order resonances to realize Free Electron Laser cascades or harmonic cascades. Once established, the FEL lased for several hours at about 8 microns wavelength and appeared quite tolerant to the machine setting.

The meeting topics were: Good news from our UK partners: After presenting recent developments, on-going activities and vedienungsanleitung plans at their facilities, the SC members discussed bedienumgsanleitung the implications of the recent report of the Assessment Expert Group about the readiness for implementation of EuroFEL as a distributed research infrastructure according to the definition of ESFRI, as well as possibilities for EU funding based on the first informal draft of the H Work Programme The aim of the meeting is to sign a preliminary consortium agreement.

The first commissioning experiments were done at a final wavelength of This wavelength is the result of an harmonic conversion to the 6th harmonic