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- SQUID based receivers for electromagnetic exploration
SQUID based receivers for electromagnetic exploration
in: Temporal Proceedings (2017)
Some exploration targets, mostly the ones with long time constants in Time Domain Electromagnetics (TEM), are easier to detect by measuring the magnetic field instead of its time derivative. As a consequence, Superconducting QUantum Interference Devices (SQUIDs) are almost perfectly suited for this task due to their high sensitivity and perfectly flat frequency response. New technologies and read-out schemes for SQUIDs are evolving which enable new EM receivers with highest sensitivity and overcome the limits in terms of slew rate and dynamic range of earlier SQUID instruments.
DOI: Array