Magnetic Particle Spectrometer

(work in progress)

MPS

Dedicated to the measurement of Magnetic Particle Imaging (MPI) contrast agent characteristics.

Transmitter magnetic excitation field

  • Range = 0-25 mT (2% accuracy)
  • Sinusoidal with frequency = 25.2525 kHz
  • Distortion ≤ -125 dB
  • Homogeneity = 0.5% within sample volume = 2x2x2 mm3

Receiver

  • Sensitivity: 5 x 10-12 Am2 at a frequency of 75.75 kHz
  • Dynamic range: 134 dB at a frequency of 75.75 kHz
  • Accuracy of 2%, uniformity of 0.5%
  • Bandwidth of 1 MHz, phase accuracy of 3 ns

Temperature

  • Sample temperature:  37 °C (without excitation)