Latest Announcements about Photon Science at DESY as well as important technical news and other information en-us http://hasylab.desy.de (c) 2012 HASYLAB Bastian.Vennemann@desy.de There is a worldwide search of methods for initiating the process of producing laser light in free-electron lasers (FEL) with a well-defined radiation pulse, generated by an external laser source and superimposed to the electron bunch at the undulator entrance ("seeding"). Seeding promises an FEL pulse which is more stable and better ... http://hasylab.desy.de/news__events/announcements/first_seeding_at_flash_may_2012/index_eng.html 2012-05-04T21:16:29-02:00 After lengthy research the Kröller-Müller Museum has another Van Gogh painting to its name: Still life with meadow flowers and roses. Its authenticity had been in doubt ever since it was added to the collection in 1974, due to the unusual size of the canvas and the anomalous signature among other things. The work was dismissed in 2003 ... http://hasylab.desy.de/news__events/announcements/flower_still_life_by_vincent_van_gogh_rediscovered_thanks_to_new_research_technique__mar_2012/index_eng.html 2012-04-25T11:23:15-02:00 A Holy Grail of ultrafast science and technology is to image the changing structure of matter at the nanoscale during the interaction with light. An international collaboration including DESY photon scientists led by Thomas Möller of the Technical University Berlin and Christoph Bostedt of SLAC at Stanford (formerly Technical University ... http://hasylab.desy.de/news__events/announcements/snapshots_of_firework_in_nanoparticles_at_flash_mar2012/index_eng.html 2012-04-25T10:58:12-02:00 At the high-brilliance synchrotron light source PETRA III, a team of DESY scientists headed by Dr. Ralf Röhlsberger has succeeded in making atomic nuclei transparent with the help of X-ray light. At the same time they have also discovered a new way to realize an optically controlled light switch that can be used to manipulate light with ... http://hasylab.desy.de/news__events/announcements/scientists_make_iron_transparent_at_petra_iii_feb_2012/index_eng.html 2012-03-20T21:31:59-01:00 About 680 participants from 28 countries attended the European XFEL/HASYLAB Users' Meeting on 25–27 January 2012 in Hamburg. In a 3-day programme that was jointly organized by DESY and the European XFEL, current and future users of the DESY light sources FLASH, DORIS and PETRA III and of the X-ray laser European XFEL met to discuss new ... http://hasylab.desy.de/news__events/announcements/about_680_participants_at_the_joint_users'_meeting_at_desy_jan_2012/index_eng.html 2012-02-10T10:58:42-01:00 The 'Innovation Award on Synchrotron Radiation 2011' was assigned to K.Tiedtke, U. Jastrow, A. A. Sorokin (DESY Hamburg), U. Kroth, M. Richter (PTB Berlin), and S.V. Bobashev (Joffe Physico-Technical Institute, St. Petersburg). On 1 December 2011, they received the Innovation-Award in Berlin for their contributions in the development ... http://hasylab.desy.de/news__events/announcements/innovation_award_on_synchrotron_radiation_for_desy_researchers_dec_2011/index_eng.html 2011-12-06T13:45:40-01:00 For years, the free-electron laser (FEL) FLASH at DESY has been generating X-ray laser light for an ever increasing user community. The construction started on 20 Sept. 2011 for the next expansion stage FLASH II, with the aim to serve more users and at the same time apply the most recent developments of FEL technology. The extension ... http://hasylab.desy.de/news__events/announcements/construction_start_for_flash_ii__sep_2011/index_eng.html 2011-09-23T20:09:12-02:00 Nearly 14.000 visitors took the opportunity of the "Tag der offenen Tür /Open day" and “Nacht des Wissens in Hamburg / Night of Knowledge” to make a DESY tour on Saturday 29 October 2011. New record attendance was also achieved at the “Nacht des Wissens in Hamburg”: in total 20.000 visitors were counted. Among them were ... http://hasylab.desy.de/news__events/announcements/record_attendance_at_the_open_day___nacht_des_wissens_bei_desy_oct_2011/index_eng.html 2011-10-31T13:10:01-01:00 An international team of scientists in cooperation with the CFEL theory group have made a major step closer towards the possibility to control electron movements in atoms. For the first time, they generated white laser pulses that are shorter than a complete light oscillation and precisely synthesised their electromagnetic fields. These ... http://hasylab.desy.de/news__events/announcements/light_flashes_keep_electrons_in_check_sept_2011/index_eng.html 2011-09-09T13:18:23-02:00 On 27 July 2011 at around 22:00, the tunnel boring machine TULA (TUnnel for LAser) was outside the wall of its reception shaft. It then just had to slowly drill through the 1.50-metre-thick diaphragm wall of the construction pit and pass through the round “TULA window” in the adjoining wall of the injector building. With a “landing ... http://hasylab.desy.de/news__events/announcements/boring_of_european_xfel_accelerator_tunnel_completed__aug_2011/index_eng.html 2011-08-17T10:05:42-02:00 A deeper insight into the photon science activities is provided by the several hundred annual user experiment and development reports of research activities in 2010. They are now only available online. http://hasylab.desy.de/annual_report/ The “Photon Science ... http://hasylab.desy.de/news__events/announcements/photon_science_users_reports_2010_available_online_july_2011/index_eng.html 2011-07-11T10:11:32-02:00 The Helmholtz Association started funding new Virtual Institutes on July 1, 2011. DESY is represented in two of these institutions that promote the cooperation of university and non-university scientists in a common theme project. The Virtual Institute “In-Situ Nano-Imaging of Biological and Chemical Processes” is launched under ... http://hasylab.desy.de/news__events/announcements/desy_participates_in_two_new_virtual_institutes_of_the_hgf_jun_2011/index_eng.html 2011-08-17T10:17:50-02:00 At the coherence beamline P10 of PETRA III, scientists from University of Göttingen and DESY have focused the undulator beam by elliptical mirrors to 200 nm and coupled this beam into a set of two orthogonally aligned x-ray waveguides made of Germanium, Molybdenum and Carbon thin films, used for further reduction of the beam size and ... http://hasylab.desy.de/news__events/announcements/waveguide_nanofocus_beams_with_10_nm_cross_section_at_the_petra_iii_beamline_p10_may_2011/index_eng.html 2011-05-11T11:12:34-02:00 Coherent X-ray diffractive imaging experiment led by the groups of I. Vartaniants (DESY) and A. Rosenhahn (University of Heidelberg) and published last year (A P Mancuso, et al. "Coherent imaging of biological samples with femtosecond pulses at the free-electron laser FLASH", New J. Phys. 12, 035003 (2010)) was chosen for the ... http://hasylab.desy.de/news__events/announcements/publication_of__mancuso_et_al_among_the_'best_of_2010'_in_new_j_phys_april_2011/index_eng.html 2011-04-07T12:17:47-02:00 The North strengthens nano research - Sweden is now a strong partner of the brilliant X-ray source PETRA III at the DESY research centre. Dr. Leif Eriksson of the Swedish Research Council, and the DESY Directors Prof. Helmut Dosch and Prof. Edgar Weckert signed a memorandum of understanding at DESY in Hamburg on 25 February 2011. The ... http://hasylab.desy.de/news__events/announcements/sweden_collaborates_in_experiments_of_the_x_ray_source_petra_iii__feb_2011/index_eng.html 2011-05-03T13:07:16-02:00 In the framework of the German-Brazilian science year (2010-2011) a workshop on the use and development of synchrotron radiation sources will be organised. German and Brazilian scientists will meet on 21-22 March 2011 in Campinas at the Brazilian Synchrotron Radiation (SR) Laboratory LNLS. LNLS is the only SR Centre in South America, ... http://hasylab.desy.de/news__events/announcements/deutsch_brasilianisches_jahr_der_wissenschaft___desy_lnls_workshop_feb_2011/index_eng.html 2011-02-25T08:46:24-01:00 A team of scientists from four German institutes including HASYLAB/DESY, led by HZB/TUB researchers, recorded two images of a micro-object with soft X-ray pulses, which were separated by only 50 femtoseconds. The measurement of this "molecular movie" was performed at beamline BL3 at FLASH at DESY. "Molecular movies" will help to ... http://hasylab.desy.de/news__events/announcements/fastest_molecular__movie_recorded_at_flash_jan_2011/index_eng.html 2011-02-15T13:09:54-01:00 It has been a dream of researchers for over a decade: image biological materials at high resolution using incredibly intense X-ray laser pulses. Now, an international collaboration, led by Professor Henry Chapman of the Center for Free-Electron Laser Science (CFEL) at DESY in Hamburg, Germany, has proven this principle at the Linac ... http://hasylab.desy.de/news__events/announcements/first_images_of_proteins_and_viruses_caught_with_an_x_ray_laser_feb_2011/index_eng.html 2011-02-11T10:40:01-01:00 Many physical and chemical processes occur on extremely short time and length scales - as a rule within quadrillionths of a second on lengths of billionths of a metre. Researchers study such processes using intense ultrashort X-ray flashes. As is well known from photography: the faster a process occurs, the shorter the exposure must be ... http://hasylab.desy.de/news__events/announcements/terahertz_flashes_enable_accurate_x_ray_measurements_at_flash_feb_2011/index_eng.html 2011-02-03T16:27:01-01:00 In the future, infections researchers and physicists in Northern Germany will collaborate in the hunt for pathogens: with the scientific coordination by the Helmholtz Centre for Infection Research (HZI) in Braunschweig, the new „Centre for Structural and Systems Biology“ (CSSB) will be established at the DESY campus. The ... http://hasylab.desy.de/news__events/announcements/starting_shot_for_new_centre_for_structural_systems_biology_cssb__jan_2011/index_eng.html 2011-01-10T21:30:14-01:00