Profile: Fresnel Technologies, Inc. is a manufacturer of molded plastics Fresnel lenses and related optical components. Our product line includes Fresnel lenses, Poly IR® materials, lens arrays and diffusers. We also offer small-volume production of directly machined plastics optics as well as production of diamond-machined optics from other materials such as germanium. Our PIR arrays are used to produce a broad, tailored field of view through the accumulation of many repeated narrow fields of view. Our brands include Lodiff™, Poly IR™, Frestech™ and Scratchgard™.