Active Detection of Low-Observable Surface Targets through Electro-Optical Means

The Navy seeks to develop active electro-optical/infrared (EO/IR) sensing technology to detect, determine the range of, and track low-observable surface targets. This initiative aims to complement existing passive imaging sensors on ships, addressing challenges posed by wave clutter and sun glint that obscure small targets like floating mines, semi-submersible crafts, debris, and periscopes. The proposed technology should achieve a 98% probability of detection with a false alarm rate of no more than two per minute, operating in conditions up to sea state 5, with a nominal detection range of 100 to 500 meters. Acceptable solutions include lidar configurations or laser illuminators in range-gated detection architectures, potentially utilizing existing wide field of view cameras as receivers. Key considerations include minimizing system complexity and cost, ensuring eye-safety, and incorporating covert operating modes. Phase I involves concept development and feasibility assessment, while Phase II focuses on prototype development and demonstration. Phase III will support the transition of this technology for Navy use and explore dual-use applications in security, navigation, and search and rescue. Work in advanced phases may become classified, requiring contractors to be U.S. owned and operated with appropriate security clearances.