MILEA light

Simplified version of low-energy AMS system designed for high-performance isotope analysis of ¹⁰Be, ¹⁴C, and ²⁶Al for geological and radiocarbon research.

• Status: Active
• Country: Switzerland
• Isotopic: Yes
• Type of measurable elements: Radiocarbon and cosmogenic nuclides
• Measurable isotopes/elements: Radiocarbon and cosmogenic nuclides (¹⁰Be, ²⁶Al), ⁴¹Ca optional
• Analyzer type : Accelerator MS
• Ion source type: Hybrid cesium negative sputter ion source for solids and gases
• Inlet types: Random access sample changer with 40 positions
• High Resolution : Yes
• Multicollector : Yes
• Collectors qty : 5 Faraday cups on the high-energy side
• Sensitivity : High sensitivity with helium stripping
• Detection limits : Sub-parts per trillion for selected isotopes
• Precision : <2 ‰ for ¹⁴C/¹²C and ¹³C/¹²C ratios
• Detector type : High-resolution ΔE-Eres gas ionization chamber
• Primary beam : Negative cesium sputter
• Accelerator voltage : 300 kV
• Geometry type : Simplified ion optics without ESA on the low-energy side
• Focusing type : Magnetic and electrostatic focusing
• Magnetic sector radius/ angle : 90° and 110° magnetic deflectors on high-energy side
• Electric sector radius/ angle : 110° electrostatic deflector
• Cooling system : Air-cooled system, no cooling water needed
• Vacuum system : Vacuum insulated high-voltage platform, no SF₆ needed
• Gas supply: Helium stripping gas
• Power Requirements and Consumption : Max. 60 kW (Isotope-dependent)
• Dimensions and Weight: 3.0 m × 4.8 m × 2 m, 12,000 kg