Small Business Information
6767 Old Madison Pike, Suite 410, Huntsville, AL, 35806
AbstractThe Army needs smaller and cheaper precision weapon systems. Semi-Active Laser guidance (SAL), invented in the 1960's at the Army Missile command, is a powerful approach to smart weapons. In the past, SAL seekers used quadrant detectors, narrow field-of-view optics, gimbals, and actuators. While very effective, they are expensive. Several programs are desperate for a low-cost solution. One driving tactical need for less expensive precision weapons is today's asymmetric warfare - the need to hit more, softer targets while minimizing collateral damage means more, smaller precise weapons. Low-cost requires elimination of the mechanical gimbal, and therefore requires a wide field of view. The key to our solution is a ball lens that is inherently omni-directional, and thus the basis for an extremely wide field-of-view strap-down-seeker. Our solution involves a truncation that puts the detector into the correct plane for the desired field of view, Putting facets on the truncated surface allows us to use a narrower band filter to suppress sunlight.
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