Implementation of an aerodynamic lens for TRIGA-SPEC

Grund, J.; Düllmann, Ch.E.; Eberhardt, K.; Nagy, Szilard; van der Laar , J.J.W.; Renisch, D.; Schneider, F.

doi:10.1016/j.nimb.2015.12.017

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Implementation of an aerodynamic lens for TRIGA-SPEC

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Nagy, Szilard
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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http://www.sciencedirect.com/science/article/pii/S0168583X15012616
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Citation

Grund, J., Düllmann, C., Eberhardt, K., Nagy, S., van der Laar, J., Renisch, D., et al. (2016). Implementation of an aerodynamic lens for TRIGA-SPEC. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 376, 225-228. doi:10.1016/j.nimb.2015.12.017.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002A-F3C5-A

Abstract

We report on the optimization of the gas-jet system employed to couple the TRIGA-SPEC experiment to the research reactor TRIGA Mainz. CdI₂ aerosol particles suspended in N₂ as carrier gas are used for an effective transport of fission products from neutron induced ²³⁵235U fission from the target chamber to a surface ion source. Operating conditions of the gas-jet were modified to enable the implementation of an aerodynamic lens, fitting into the limited space available in front of the ion source. The lens boosts the gas-jet efficiency by a factor of 4–10. The characterization of the gas-jet system as well as the design of the aerodynamic lens and efficiency studies are presented and discussed.