Darmstadt 2016 – wissenschaftliches Programm

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 3: Injectors, Laser II

AKBP 3.4: Vortrag

Montag, 14. März 2016, 17:15–17:30, S1/05 23

First Characterizations of a 4 nC Electron Beam for THz Options at PITZ — •Prach Boonpornprasert¹, Galina Asova^1,2, Mahmoud Bakr^1,3, Matthias Gross¹, James Good¹, Carlos Hernandez-Garcia^1,4, Holger Huck¹, Igor Isaev¹, Davit Kalantaryan¹, Mikhail Krasilnikov¹, Osip Lishilin¹, Gregor Loisch¹, Dmitriy Malyutin¹, David Melkumyan¹, Anne Oppelt¹, Marek Otevrel¹, Gaurav Pathak¹, Yves Renier¹, Tino Rublack¹, Ivan Rybakov^1,5, Frank Stephan¹, Grygorii Vashchenko¹, and Quantang Zhao¹ — ¹DESY, Zeuthen, Germany — ²INRNE, Sofia, Bulgaria — ³Assiut University, Assiut, Egypt — ⁴Jlab, Newport News, USA — ⁵INR of the RAS, Moscow, Russia

The Photo Injector Test facility at DESY, Zeuthen site (PITZ) develops high brightness electron sources for modern linac-based Free Electron Lasers (FELs). The PITZ accelerator can also be considered as the proper machine for the development of an IR/THz source prototype for pump and probe experiments at the European XFEL. One of interesting options for the IR/THz generation at PITZ is to generate the radiation by means of a SASE FEL. Previous calculations have shown that by using an electron bunch with a bunch charge of 4 nC and a helical undulator with a period length of 40 mm, a saturation pulse energy of about 1 mJ is achievable within a saturation length of 3 m for a radiation wavelength of 100 µm. In this contribution, the experimental demonstration of generating electron beams with 4 nC bunch charge by the PITZ accelerator together with the results of the electron beam characterization are presented and discussed.