High-Energy Laser Coatings for Large, Lightweight, and Compliant Deployable Space Optics

Alameda Applied Sciences Corporation proposes to use its Filtered Cathodic Arc Plasma Deposition (FCAPD) process to apply reflective high-energy laser coatings to complaint polyamide substrates for space-based mirrors. FCAPD coatings have better adhesionand are denser and more stable than coatings deposited using other methods, such as, sputtering or evaporation. In addition, the internal stress of FCAPD films can be controlled, allowing the curvature of compliant mirror surfaces to be fine-tuned duringdeposition. It is anticipated that the FCAPD optical coatings will permit the use of large, collapsible, space-based mirrors for defense applications. In addition, FCAPD coatings will find commercial applications in energy efficient coatings for homewindows, anti-reflective coatings for automotive and aircraft windows, wavelength division multiplexers, and heads-up displays for aircraft helmet visors.