Simulation of predicted performance and interpretation of radiation measurements on the Israeli tandem free-electron laser

A. Abramovich*, Y. Pinhasi, Y. M. Yakover, J. S. Sokolowski, A. Gover

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The experimental results of radiated power and its spectral parameters as measured on the Israeli electrostatic accelerator tandem FEL (EA-FEL) are interpreted and numerically simulated. Two complementary simulation codes, FEL3D and MALT1D show good agreement with experimental results. The FEL3D code (a non-linear three-dimensional 'amplifier' code, based on a coupled-mode approach), was employed for calculation of the small-signal gain, extraction efficiency and saturation power. This code (FEL3D) allows one to simulate FEL operation of multiple transverse modes at a single frequency taking into account space-charge effects. Multi-frequency simulation of the mode competition process was carried out using the MALT1D code based on a space-time multi-longitudinal mode simulation of a FEL oscillator.

Original languageEnglish
Pages (from-to)81-86
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume407
Issue number1-3
DOIs
StatePublished - 21 Apr 1998

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