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The triCoil assembly consists of six coils arranged to apply magnetic bias fields and gradients across atomic clouds in one of ColdQuanta’s vacuum cells, such as the RuBECi, Double MOT, or miniMOT systems. The coils enable easy, low power generation of MOT fields and bias fields for atom chip traps, and make it simple to apply or cancel low-order fields. The assembly is mounted around the vacuum cell by the use of the coil-rail system, installed standard on most of ColdQuanta’s vacuum systems. The coil assembly is designed to be driven in a standard configuration (X1, X2, Y, Z) with ColdQuanta’s four-channel coil driver.


  • Three coil pairs
  • Compact package
  • Mounts on 45 mm rails
  • Compatible with 2 cm and Imaging UHV cells