Sensors incorporating Superconducting Quantum lnterference Devices (SQUIDs) provide the greatest sensitivity for magnetic anomaly detection available with current technology. During the 1980s, the Naval Surface Warfare Center Coastal Systems Station (CSS) developed a superconducting magnetic sensor capable of operation outside of the laboratory environment. This sensor demonstrated, rugged reliable performance even onboard undersea towed platforms. With this sensor, the CSS was able to demonstrate buried mine detection for the US Navy. Subsequently the sensor was incorporated into a multi-sensor suite onboard an underwater towed vehicle to provide a robust mine hunting capability for the Magnetic and Acoustic Detection of Mines (MADOM) Project. This sensor technology utilized niobium superconducting componentry cooled by liquid helium to temperatures on the order of 4 deg K. In the late 1980s a new class of superconducductors was discovered with critical temperatures above the boiling point of liquid nitrogen (77 deg K). This advance has opened up new opportunities, especially for mine reconnaissance and hunting from small unmanned underwater vehicles (UUVs). The magnetic sensor detection and classification concept developed for MADOM is described. In addition, opportunities for UVV operations made possible with high critical temperature technology and Navy's current efforts in this area will be addressed.
Superconducting magnetic sensors for mine detection and classification
Supraleitender magnetischer Meßaufnehmer für die Minensuche und die Minenklassifikation
1995
10 Seiten, 7 Bilder, 14 Quellen
Aufsatz (Konferenz)
Englisch
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