In 2016, Ionplus has started the production of the MIni CArbon DAting System (MICADAS). The first prototype of MICADAS was developed and built by the Laboratory of Ion Beam Physics (LIP) at ETH Zurich in 2004. Since then, 11 instruments have been built and delivered to customers in Europe and the US. In 2016, Ionplus took over production of the MICADAS systems from ETH Zurich.
With its dimensions of only 3.4 m x 2.6 m x 2 m, MICADAS is the most compact commercially available 14C-AMS system in the world. Its new helium stripping offers a very high transmission of 47% and outstanding measurement stability, thus significantly reducing the need for retuning.
The MICADAS hybrid cesium sputter ion source is equipped with a random access sample changer that holds up to 40 graphite or gas cathodes. Stable ion beam currents of 50 to 100 μA C- and 10 to 20 μA are readily achieved in routine operation with solid and gas samples, respectively. The acceleration potential of 200 kV is provided by a solid state power supply (no moving parts) and the terminal is vacuum insulated (no SF6 or other insulation gases required). A state of the art gas ionization detector with low noise and virtually no degradation provides the most reliable detection of 14C ions. With this configuration, blanks of 50'000 years BP (radiocarbon age) and better are obtained.
In conjunction with the Gas Interface System (GIS), MICADAS performs fully automated gas measurements with an auto-sampler, an elemental analyzer or CO2 filled glass or quartz tubes.
Key Features and Specifications