Magnetic Sensors Project
COASTAL SYSTEMS STATION PANAMA CITY FL
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LONG-TERM GOALS. Clandestine mine reconnaissance is one of the Navys highest MCM priorities. During the early 1990s, a helium-cooled superconducting gradiometer was demonstrated in the Magnetic and Acoustic Detection of Mines MADOM ATD to provide effective detection and classification, especially against buried mines, and to reduce acoustic false alarms significantly 1, 2. This sensor utilized the low critical temperature low Tc superconductor niobium and required liquid helium for sensor cooling. Advanced approaches are being developed to transition this technology to the Fleet. OBJECTIVES. The current focus of this project is to develop an advanced High Tc Superconducting Gradiometer HTSG prototype cooled by liquid nitrogen and to demonstrate it at sea. This development will make it possible to provide localization and classification capabilities inconceivable using current Fleet magnetometers such as the ASQ-81208 and to achieve the longer detection ranges previously reserved to low-Tc sensors. In comparison to its low Tc counterpart, the HTSG can provide substantially reduced package sizes and minimal cryogen support requirements.
- Magnetic and Electric Field Detection and Detectors