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HK: Fachverband Physik der Hadronen und Kerne

HK 28: Instrumentation VII

HK 28.4: Talk

Tuesday, March 12, 2024, 18:30–18:45, HBR 19: C 2

Commissioning of TARLA Injector Line — Abdullah Burkan Bereketoglu^2,3, •Kutlu Kagan Sahbaz^1,3, and Veli Yildiz³ — ¹Ankara University, Ankara, Turkey — ²Middle East Technical University, Ankara, Turkey — ³Turkish Accelerator & Radiation Laboratory, Ankara, Turkey

Turkish Accelerator & Radiation Laboratory (TARLA) is a Free Electron Laser (FEL) facility that is under construction in Ankara, Türkiye. The TARLA electron linac is composed of a 250 keV thermionic electron gun, an injector line with two buncher cavities and two cryomodules containing two 1.3 GHz superconducting TESLA cavities. The electron bunches generated in the electron gun are compressed in the injector line first with a subharmonic buncher (260 MHz) and then with a fundamental bunchar (1.3 GHz) down to 10 ps (σt). The first cryomodule accelerates the beam up to around 20 MeV. The bunch compressor located between the two cryomodules compresses the bunch further down to 0.3 ps (σt). After the bunch compressor, the beam is further accelerated up to 40 MeV using the second cryomodule. The 40 MeV electron beam will be used to produce infrared (IR) laser and bremsstrahlung radiation. The installation of TARLA injector was completed in October 2023 and the beam commissioning was performed in December 2023. In this contribution, the result of the injector beam commissioning will be presented together with the beam dynamics simulations performed for the preparation of the beam tests.

Keywords: TARLA; Commissioning; ASTRA Simulations; Free Electron Laser; Particle Accelerator Injector Line