Fig. 2From: Scanning SQUID microscope system for geological samples: system integration and initial evaluationAuxiliary system components: A: power supply, B: flux-locked loop (FLL), C: function generator, D: oscilloscope, E: level meter, F: flow meter, G: precision current supply (Model 121 Programmable DC Current source, LakeShore Cryotronics, Inc.), H: XYZ stage controller, I: remote controller, J: control PCBack to article page