MILEA

Next-generation low-energy AMS system for multi-isotope analysis. Combines MICADAS technology with the ETH “TANDY” spectrometer design. Features compact design and high automation.

• Status: Active
• Country: Switzerland
• Isotopic: Yes
• Analyte Type / Target Of Analysis: Radiocarbon and cosmogenic nuclides
• Measurable Isotopes/Elements: Radiocarbon, actinides, and cosmogenic nuclides - ¹⁰Be, ¹⁴C, ²⁶Al, ⁴¹Ca, ¹²⁹I, U, Pu, and other actinides
• 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
  : 7 Faraday cups on the high-energy side
• Sensitivity
  : High sensitivity with helium stripping
• Abundance Sensitivity
  : <5 × 10⁻¹³ for U
• 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 [AMS]
  : Negative cesium sputter
• Geometry Type
  : Achromatic combination of magnetic and electrostatic deflectors
• Focusing Type
  : Magnetic and electrostatic focusing
• Magnetic Sector Radius/ Angle
  : 90° and 110° magnetic deflectors on high-energy side
• Electric Sector Radius/ Angle
  : 120° 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 Specifications: Max. 60 kW (Isotope-dependent)
• Physical Specifications: 3.5 m × 7 m × 2 m, 15,000 kg