Theoretical Investigations of Experimental Gravitation.

The investigation of experiments which are used to test relativistic gravity, and the investigation of technologies and experimental techniques which are applied to gravitational wave astronomy are discussed. Pure laboratory experiments with laboratory sources of non-Newtonian gravity and laboratory detectors are reported. The key advance in technology is the development of resonant sensing systems with very low levels of dissipation. Three such systems, torque balances, dielectric monocrystals, and superconducting microwave resonators are considered. Eight laboratory experiments which use these systems as detectors are proposed. The dominant sources of noise and the technology required for each experiment are described.