Leveraging Polymeric Photochemistry in Ionic Liquid-Based Mirror Synthesis for Space Telescope Optics

This project aims to advance the development of liquid mirror technology for space telescopes by improving the performance of ionic liquid (IL)-based mirrors. These novel mirrors are currently formed by coating ILs with reflective silver nanoparticles (AgNPs) under UV exposure, a process I developed at NASA GSFC. Liquid mirrors offer significant advantages over traditional solid mirrors, including mass efficiency, self-healing properties, and scalability for large apertures, making them ideal candidates for NASA's next-generation space telescopes. However, current IL mirrors face challenges including low reflectivity, fragile coatings, and nanoparticle instability. Furthermore, these mirrors have not undergone any thermal testing to determine their compatibility with the harsh space environment. To address these limitations, this research will incorporate a polymer network into the IL mirror matrix during UV exposure, stabilizing the AgNPs within the liquid and improving both reflectivity and structural durability. The methods proposed include screening monomers for compatibility with ILs, optimizing monomer and nanoparticle concentrations, investigating the use of gold nanoparticles, and refining UV radiation parameters to enhance mirror performance across a wide range of wavelengths and thermal conditions. Importantly, vacuum and low-temperature experiments will simulate space environments to ensure the mirror's thermal stability--addressing a major gap in prior IL mirror development. This work directly supports NASA's FLUTE project by advancing large-aperture, liquid-based mirrors that have the potential to revolutionize space observatories. Beyond improving the scalability and mass efficiency of space telescope technologies, this research would expand human knowledge by enabling new scientific discoveries through more capable observational tools. Enhanced liquid mirror technology could open new frontiers in astrophysics by enabling larger telescopes that can probe deeper into the universe, potentially catalyzing breakthroughs in understanding cosmic phenomena. Additionally, it will improve NASA's operational capabilities, contributing to current and future mission success by offering resilient, scalable solutions for future space exploration.

This is a mature technology (TRL 7+) — the realistic path in is usually NASA's Technology Transfer Program: licensing an existing NASA patent, or a Space Act Agreement to use NASA facilities/expertise directly. NASA also runs a startup licensing program with no upfront fee for companies formed to commercialize a specific NASA technology.

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