The Turkish accelerator complex IR FEL project

Aksoy, Avni; Karslı, Özlem; Yavas, O.

doi:10.1016/j.infrared.2007.12.027

Cited by 13 publications

(7 citation statements)

References 4 publications

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“…Commissioning of the facility is planning to start scientific research in 2015. It will have two superconducting electron accelerator modules to produce FEL in infrared region to scan 22250 mm wavelengths and Bremsstrahlung radiation [1,2].…”

Section: Tac-tarla Facilitymentioning

confidence: 99%

A design study on high power RF system for the TARLA facility of TAC

Karslı

Yavas

2012

Nuclear Instruments and Methods in Physics Research Section A:

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Section: Tac-tarla Facilitymentioning

confidence: 99%

A design study on high power RF system for the TARLA facility of TAC

Karslı

Yavas

2012

Nuclear Instruments and Methods in Physics Research Section A:

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“…Turkish Accelerator and Radiation LAboratory (TARLA) [1,2] is under construction to realize a linear accelerator that will deliver a 1 mA continuous (cw) electron beam to produce free electron laser (FEL) radiation.…”

Section: Introductionmentioning

confidence: 99%

Long term stability of 1.3 GHz high power RF amplifier

Karslı¹,

Colak²

2021

Turk J Elec Eng & Comp Sci

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Turkish Accelerator and Radiation LAboratory (TARLA) is an accelerator based oscillator mode free electron laser (FEL) facility under construction. The acceleration beam-line includes a fundamental buncher (FB) in order to confine the electron beam into a compressed bunch. In this study, we demonstrate the commissioning tests of 500 W RF amplifier powering FB and present the phase stability dependence of the pressure and temperature of the water cooling line under long time run conditions. As the disturbing effects break down the synchronization between the particle and RF power during acceleration, the reasons disquieting the stability of the RF amplifier are investigated. One reason which disturbs the stability is the variation in the phase of the output power. Phase variation of the output power of the RF amplifier measured as ∼ 10 deg/ • C in average initially, which is beyond permitted variation levels by the controller electronics, namely the Low Level RF system (LLRF), is decreased to less than ∼ 0.45 deg/ • C by incorporating a phase shifter. In addition, this phase variation reduction is accompanied with a reflected power at the output of the RF amplifier decline from 4.3 W (36.33 dBm) down to 3 mW (4.7 dBm) by utilizing a circulator, which is also important and desirable in terms of protection of the electronics in the long term run. As ensuring phase stability in the output power is very important, this work may serve as a guide since the documentation regarding the output power dependence of the water cooling line for long term run is very limited.

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“…The Turkish Accelerator and Radiation Laboratory in Ankara (TARLA), which has had continuous support from the Turkish Ministry of Development (TMD) since its conception in 2006, is designed as a multi-experiment facility providing a variety of accelerator-based radiation sources for users from various fields [1,2]. Based on a state-of-the-art superconductor technology, the current scope of the TARLA accelerator is designed to drive two free-electron laser (FEL) beamlines covering the range of 3-250 µ m and one Bremsstrahlung line providing gamma radiation in the range of 1-30 MeV.…”

Section: Introductionmentioning

confidence: 99%

Design of Turkish Accelerator and Radiation Laboratory in Ankara (TARLA) facility injector magnets

Aksoy¹

2017

Turk J Phys

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Abstract:The installation of a high current thermionic gun-based injector capable to accelerate a maximum 1.5 mA electron beam at 250 keV and continuous wave (CW) for various bunch repetition rates has been continuing at the Turkish Accelerator and Radiation Laboratory in Ankara (TARLA) since 2014. The injector, which is based on totally normal conducting technology, will mainly consist of a thermionic DC electron gun, two stage bunch compressor cavities operating at 260 MHz and 1.3 GHz, one dipole magnet, five solenoid lenses and an additional one dipole magnet that is going to be used as spectrometer, and several steerer magnets. In this paper we discuss the design criteria of all magnets of the TARLA injector and present design results.

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The Turkish accelerator complex IR FEL project

Cited by 13 publications

References 4 publications

A design study on high power RF system for the TARLA facility of TAC

A design study on high power RF system for the TARLA facility of TAC

Long term stability of 1.3 GHz high power RF amplifier

Design of Turkish Accelerator and Radiation Laboratory in Ankara (TARLA) facility injector magnets

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