Non-Lethal Electrical Swimmer Deterrent System
Navy SBIR FY2008.2


Sol No.: Navy SBIR FY2008.2
Topic No.: N08-176
Topic Title: Non-Lethal Electrical Swimmer Deterrent System
Proposal No.: N082-176-0510
Firm: Physical Optics Corporation
Applied Technologies Division
20600 Gramercy Place, Bldg.100
Torrance, California 90501
Contact: Kang-Bin Chua
Phone: (310) 320-3088
Web Site: www.poc.com
Abstract: To address the Navy's need for a nonlethal swimmer deterrent system, Physical Optics Corporation (POC) proposes to develop a new Nonlethal Electrical Swimmer Deterrent (NESD) system. This system is based on an innovative system architect and novel electrode configuration that offers capability to generate electric field of 2 volts/ft within its operating region and delivers a nonlethal shock to the intruder, thereby preventing trespassing or sabotage. The compact, man-portable system can be easily deployed by two personnel on a 24-28 ft boat. The system design introduces electric field gradually to deter marine life thereby avoiding shock, which will facilitate public acceptance of this system and address concerns of wildlife organizations. In addition to this, the NESD design is modular, adaptable, and scalable, allowing multiple electrodes to be attached on to a single electrical controller unit. In Phase I POC will demonstrate the feasibility of NESD system by developing a bench-top, proof-of-concept device with a technology readiness level (TRL) of 3 or greater. In Phase II, we will demonstrate a protective electrical barrier generator for naval security with a TRL 6 or greater.
Benefits: The NESD system can be used as a protection unit in private yachts or liners to deter dangerous sharks, etc., especially when vacationers are swimming close to the boat. It can be used by oil companies to protect their offshore oil platforms for any sabotage or theft. The NESD system can carry out security and surveillance of espionage or terrorist activities around a navy port or a vessel. This proposed device can be used as a maritime border protection and surveillance system, and specially to prevent escapes in prisons bordering a coast.

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