Block diagram of the mobile HTS dc SQUID cooled by a pulse-tube cooler.
The pulse-tube cooler using for cooling the SQUID.
Block diagram of the dc SQUID readout electronics with a temperature controller.
Sample of a gray cast iron. The position of its defect is marked by a circle.
Scanning results detected by the HTS dc SQUID cooled by a pulse-tube cooler using the saw-wave excitation method.
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