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QUAD - rotating wall for Penning ion traps

Our QUAD 1-10 rotating wall drive is designed to create a rotating dipole or quadrupole electrical field inside a Penning Ion Trap.

The resulting electrodynamical “rotating wall” enables fast compression of big ion clouds after loaded into the trap. It can handle a wide range of ion/plasma rotation frequencies.

Key Features
  • completely linear operating device
  • provides 4x 90°-phase shifted outputs, optionally 6x 60°, 8x 45°
  • voltage range 0 to 10 Vpp
  • frequency range 80 kHz to 10 MHz

The QUAD 1-5 rotating wall drive is a precision wideband phase shifter in combination with output amplifiers, dedicated for compression of non-neutral plasmas in ion traps. It provides 4 phase shifted outputs with up to 20 Vpp Amplitude. It operates in a wide frequency range from 100 kHz to 5 MHz. Small mismatches of amplitude and phase are provided over the entire frequency range.

The QUAD 1-5b in use e.g. at the University of Mainz, Department of Nuclear Chemistry, AG Nörtershäuser.
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