Laser detector for accelerators of heavy multiply charged ions

Barabash, L.Z.; Bykovskiĭ, Yu A; Голубев, А. А.; Koshkarev, D.G.; Krechet, K.I.; Khaidarov, R. T.; Sharkov, B.; Shumshurov, A.

doi:10.1007/bf01121801

Cited by 2 publications

(1 citation statement)

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“…Barabash et al, 17 Olsen et al, 18 and W. Mróz et al 19 presented TP data about ions accelerated by microsecond, nanosecond, and picosecond lasers, respectively. The most striking publication was the detection of quasimonoenergetic ions produced by the interaction of a high-intensity laser with structured thin titanium foils by Schwoerer et al 20 Section II describes the working principle and the setup of the TP and gives a comparison to other detectors often used.…”

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confidence: 99%

Development and calibration of a Thomson parabola with microchannel plate for the detection of laser-accelerated MeV ions

Harres

Schollmeier

Brambrink³

et al. 2008

Review of Scientific Instruments

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This article reports on the development and application of a Thomson parabola (TP) equipped with a (90x70) mm(2) microchannel-plate (MCP) for the analysis of laser-accelerated ions, produced by a high-energy, high-intensity laser system. The MCP allows an online measurement of the produced ions in every single laser shot. An electromagnet instead of permanent magnets is used that allows the tuning of the magnetic field to adapt the field strength to the analyzed ion species and energy. We describe recent experiments at the 100 TW laser facility at the Laboratoire d'Utilization des Lasers Intenses (LULI) in Palaiseau, France, where we have observed multiple ion species and charge states with ions accelerated up to 5 MeV/u (O(+6)), emitted from the rear surface of a laser-irradiated 50 microm Au foil. Within the experiment the TP was calibrated for protons and for the first time conversion efficiencies of MeV protons (2-13 MeV) to primary electrons (electrons immediately generated by an ion impact onto a surface) in the MCP are presented.

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