At the end of a successful Phase II, the goal would be to space qualify the compact control unit design in Phase III so that it could be used for in-orbit inspections of inflatable habitats and thermal protection systems. In addition, THz NDE instrumentation will be valuable in characterizing the aging and durability of aircraft and spacecraft materials and components. Materials include ceramics, foams, Kevlar, Zylon, and other non-conductive polymer matrix composites. Additional NDE applications include inspection of soft shell fan containment, thermal protection systems, and composite overwrap pressure vessels.
Ceramics, foams, and polymer matrix composites are used in automobile and ships and many other consumer and industrial products. A compact TD-THz imaging system could be used inspect automobile dashboards, inspect for delamination of printed circuit boards, inspect of pipe insulation, as well as inspect manufactured parts such as pure plastic and paper products. A compact TD-THz imager benefits homeland security applications under development such as personnel and luggage inspection for concealed weapons and explosives (in luggage, shoes, etc.).
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