Integrated Systems Materials and Design ImprovementComposite Baffled Telescope and Mirror Substrate Manufacturing

The proposed Phase II R&D includes continue development of the honeycomb fabrication method developed in Phase I to assure accuracy and repeatability of the process. MENTIS then proposes to fabricate prototype honeycomb sunshades for telescopes, including those with the secondary mirrors embedded in the honeycomb matrix. Using the composite baffled sunshade developed by MENTIS, BAE will perform optical testing, including obscuration and other factors. Subject prototype sunshades will be tested for shock, vibration, and temperature environments. Stray Light Analysis will be performed. Using knowledge gained from Phase I in the production of composite honeycomb structures, MENTIS will explore the use of thin-walled composite honeycomb substrates for mirrors as a replacement for Beryllium metal and fracture-prone SiC. Approved for Public Release 15-MDA-8169 (20 March 15)