This NASA SBIR Phase II proposal presents a novel method to achieve high emissivity, with a femtosecond (fs) fiber laser. It is the enabling technology for manufacturing high temperature, high strength, and high emissivity metal and ceramic surfaces for electric propulsion components. With our successful history in laser processing, this proposal has a great potential to succeed. A proof of concept demonstration has been carried out and samples were delivered at the end of Phase I. Prototypes with various types of components in compliant with the NASA electric propulsion system requirement will be delivered at the end of Phase II.
In addition to NASA’s Hall thruster component fabrication, the proposed short pulse high power fiber laser 3D manufacturing approach can also be used in other applications, such as rocket, aircraft, and satellite manufacturing. Esp. it will find great potential in BN and SiC large area manufacturing for NASA’s deep space missions, such as Hall thruster program, NTP, PCOS, COR, HabEx, and LUVOIR programs. PolarOnyx will develop a series of products to meet various requirements for NASA/military deployments.