chapter  5

Principles and Technology of SQUIDs

WithRobert L. Fagaly

Superconducting quantum interference devices (SQUIDs) have been a key factor in the development and commercialization of ultrasensitive electric and magnetic measurement systems. In many cases, SQUID instrumentation offers the ability to make measurements where no other methodology is possible. In addition to measuring magnetic fields, SQUID sensors can be configured to measure a wide variety of electromagnetic properties.