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All FELIX photons reach HFML and FELICE FTICR branch is functional

Date of news: 10 June 2016

This month, two important milestones were achieved at the FELIX Laboratory. As a result of the hard work of our scientists, engineers and technicians, also the photons from the FEL-1 and FEL-2 beam lines from FELIX can now be directed to the adjacent magnet cells of the High Field Magnet Laboratory HFML. Furthermore, the experimental setup of the FELICE beam coupled to the FTICR mass spectrometer is now functional.

The replacement of the provisional waveguide bridging the diagnostic station of FLARE and magnet cell 5 of the HFML by a quasi-optical transport system in October 2015 was a significant step forward in the use of high-power, tunable THz radiation from FELIX in the high-field magnets of HFML. This month a connection has been made between this system and the optical transport system for the shorter wavelength lasers (FEL-1 and FEL-2), which allows the part bridging the FEL building with cell 5 of the HFML to be used for the complete wavelength range (3 – 1500 mm) that FELIX produces.

FELICE, the Free Electron Laser for Intra-Cavity Experiments, is one of the unique assets of the FELIX Laboratory. It allows experiments to be conducted inside the laser cavity whereas in the usual situation, only a small fraction of the radiation circulating in the cavity is coupled out and sent to the experimental stations. The now functional coupling between FELICE and the FTICR mass spectrometer allows for infrared ‘action’ spectroscopy in the gas phase, which is the most prominent scientific activity in the laboratory. Read more about FTICR

Artist's impression FELICE FELIX
Artist’s view of FELICE, showing the undulator below the heavy concrete ceiling and the two experimental setups: a molecular beam machine in the foreground and a FTICR mass spectrometer in the background.