Technologies for space based interferometry

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This project aims to develop a new method for laser displacement measurements that will be uniquely suited for use in space. These measurements will enable gravitational measurements of unprecedented accuracy. Missions such as GRACE utilise gravitational observations to provide the distribution of melting polar ice, changes in sea levels, and quantitative estimates of ground water in the world’s food bowls. The technique will also allow space-based gravitational wave detectors far simpler than previous proposals. The improved performance, inherent robustness and drastically reduced complexity will enable new classes of missions that would not otherwise be possible.