U.S. Seismic Systems fiber-optic underwater sonar array detects small-craft harbor intrusions
CHATSWORTH, Calif., 20 Aug. 2011. U.S. Seismic Systems (USSI), a subsidiary of Acorn Energy Inc. (NADSAQ:ACFN), demonstrated its underwater harbor security system at a Lake Erie, Pa., test site under a contract with Penn State's Electro Optic Center sponsored by the Naval Surface Warfare Center (NSWC), in Crane, Ind. USSI engineers installed two fiber-optic sonar arrays on the lake bottom to detect small craft attempting to enter a protected region of interest (ROI). The USSI system detected all the intrusion attempts at ranges up to 4 kilometers, affirming the feasibility of using a low-cost, fiber-optic underwater sonar array for automated tripwire and ROI alarms in a harbor environment without operator intervention.
"Our fiber-optic sensor systems are designed for reliable, trouble-free operation in tough environments, such as in an oil well or at sea, and this highly successful test serves as just one more example of the advantages of our breakthrough technology over traditional, electronic-based sensor systems," says Jim Andersen, CEO of USSI.