# MVS

 2017-11-2918:17 [PUBDB-2017-12557] Poster et al Update on the Lifetime of Cs$_2$Te Cathodes Operated at the FLASH Facility 38th International Free Electron Laser Conference, FEL2017, Meeting locationSanta Fe, United States, 20 Aug 2017 - 25 Aug 2017   The photoinjector of the free-electron laser facilityFLASH at DESY (Hamburg, Germany) uses Cs2Te photocathodes.We give an update on lifetime and quantumefficiency of cathodes operated at FLASH during the lastyears. At the time of the conference, cathode 73.3 has beenoperated with a record of 933 days with a stable quantumefficiency of in average 8.8 %.. OpenAccess: PDF PDF (PDFA); 2017-11-2918:03 [PUBDB-2017-12554] Contribution to a conference proceedings/Contribution to a book et al Update on the lifetime of Cs2Te cathodes operated at the FLASH facility 38th International Free Electron Laser Conference, FEL2017, Meeting locationSanta Fe, United States, 20 Aug 2017 - 25 Aug 2017 1 pp. (2017) The photoinjector of the free-electron laser facility FLASH at DESY (Hamburg, Germany) uses Cs2Te photocathodes.We give an update on lifetime and quantumefficiency of cathodes operated at FLASH during the lastyears. At the time of the conference, cathode 73.3 has been operated with a record of 933 days with a stable quantum efficiency of in average 8.8 %.. Restricted: PDF; 2017-08-2416:21 [PUBDB-2017-09777] Contribution to a conference proceedings/Contribution to a book et al X-Band TDS Project International Particle Accelerator Conference (8th)8th International Particle Accelerator Conference, IPAC17, Meeting locationCopenhagen, Denmark, 15 May 2017 - 19 May 2017 Geneva : JACoW, 184-187 (2017) [10.18429/JACoW-IPAC2017-MOPAB044]   Based on the success of the X-Band Transverse Deflecting Structure (TDS) diagnostic at LCLS*, a collaboration between DESY, PSI and CERN has formed with the aim of developing and building an advanced modular X-Band TDS system. The designed TDS has the new feature of providing variable polarization of the deflecting field**. [...] OpenAccess: PDF PDF (PDFA); Restricted: PDF PDF (PDFA); 2017-08-2415:34 [PUBDB-2017-09772] Poster et al Particle Generation of CapaciTorr Pumps 8th International Particle Accelerator Conference, IPAC17, Meeting locationCopenhagen, Denmark, 15 May 2017 - 19 May 2017   OpenAccess: PDF PDF (PDFA); 2017-08-2415:17 [PUBDB-2017-09768] Contribution to a conference proceedings/Contribution to a book et al Particle Generation of CapaciTorr Pumps 8th International Particle Accelerator Conference, IPAC17, Meeting locationCopenhagen, Denmark, 15 May 2017 - 19 May 2017 Geneva : JACoW, 3 pp. (2017) [10.18429/JACoW-IPAC2017-WEPVA048]   Non Evaporable Getter pumps have been used since four decades in various scientific and industrial Ultra High and Extremely Ultra High Vacuum applications. For the majority of applications properties like high pumping speed vs. [...] OpenAccess: PDF PDF (PDFA); Restricted: PDF PDF (PDFA); 2017-08-2414:42 [PUBDB-2017-09763] Contribution to a conference proceedings/Contribution to a book et al Status Update of the SINBAD-ARES Linac Under Construction at DESY 8th International Particle Accelerator Conference, IPAC17, Meeting locationCopenhagen, Denmark, 15 May 2017 - 19 May 2017 Geneva : JACoW, 3 pp. (2017) [10.18429/JACoW-IPAC2017-TUPAB040]   ARES (Accelerator Research Experiment at Sinbad) is a linear accelerator for the production of low charge (from few pC to sub-pC) electron bunches with 100 MeV energy, fs and sub-fs duration and excellent arrival time stability. This experiment is currently under construction at DESY Hamburg and it is foreseen to start operation by the beginning of 2018 with the commissioning of the RF-gun. [...] OpenAccess: Marchetti_tupab040_JACoW Proceedings - PDF PDF (PDFA); Marchetti_tupab040 - PDF PDF (PDFA); 2017-08-2411:43 [PUBDB-2017-09736] Contribution to a conference proceedings/Contribution to a book et al Accelerator Module Repair for the European XFEL Installation 18th International Conference on RF Superconductivity, SRF2017, Meeting locationLanzhou, China, 17 Jul 2017 - 21 Jul 2017 5 pp. (2017) [10.3204/PUBDB-2017-09736]   Repair actions of different extent have been performed at 61 of the 100 accelerating series modules for the European XFEL to qualify them for tunnel installation. Four modules could not be repaired in time. [...] OpenAccess: PDF PDF (PDFA); External link: Fulltext 2016-12-0710:20 [PUBDB-2016-05971] Report/Conference Presentation (Plenary/Keynote) team, X. c. Commissioning of the European XFEL Injector [TUOCA03] 7th International Particle Accelerator Conference, IPAC16, Meeting locationBusan, Korea, 8 May 2016 - 13 May 2016   The European XFEL Injector consists of an L-Band RF photoinjector, a TESLA type 1.3 GHz module, a 3rd har-monic RF section, a laser heater and an extensive diag-nostic section to determine projected and slice properties of the beam. The commissioning of the complete system has been started in December 2015 after several years of construction. [...] OpenAccess: PDF PDF (PDFA); External link: Fulltext 2016-08-1013:50 [PUBDB-2016-02922] Journal Article et al Simultaneous Operation of Two Soft X-Ray Free-Electron Lasers Driven by One Linear Accelerator New journal of physics 18(6), 062002 (2016) [10.1088/1367-2630/18/6/062002]   Extreme-ultraviolet to x-ray free-electron lasers (FELs) in operation for scientific applications are up to now single-user facilities. While most FELs generate around 100 photon pulses per second, FLASH at DESY can deliver almost two orders of magnitude more pulses in this time span due to its superconducting accelerator technology. [...] OpenAccess: PDF PDF (PDFA); 2015-12-2315:00 [PUBDB-2015-06240] Poster Lederer, S. Lifetime of Cs2Te Cathodes Operated at the FLASH Facility 37th International Free Electron Laser Conference, FEL 2015, Meeting locationDaejeon, South Korea, 23 Aug 2015 - 28 Aug 2015 The injector of the free-electron laser facility FLASH at DESY (Hamburg, Germany) uses Cs2Te photocathodes.We report on the lifetime, quantum efficiency (QE), and darkcurrent of photocathodes operated at FLASH during the last year. Cathode 618.3 has been operated for a record of 439 days with a stable QE in the order of 3%. [...] OpenAccess: PDF PDF (PDFA) PDF PDF (PDFA);