Starfleet Academy Courses. Basic Warp Design: Deuterium injector. The deuterium injector, also simply known as matter injector, is a component of the deuterium injection subsystem. Its counterpart is the antimatter injector, with the two together known as warp injectors as part of the matter-antimatter reaction assembly. Deuterium injectors are located under the deuterium tank. The injectors precisely compressed and streamed matter (deuterium) through the deuterium stream coils into the dilithiu