Self-Pumped Phase-Conjugate Twyman-Green Interferometry Using a BaTiO3 Crystal

The Air Force uses optical imaging systems in many fields such as communications, target recognition, and missile guidance. For proper execution of these applications, the optical imaging systems use in these fields must be of extremely high quality so that an ideal image is obtained. In divergent beam configurations, this type of interferometer would eliminate the need for high quality reference optics needed in conventional Twyman-Green interferometry. The objective of this thesis is to demonstrate phase conjugate Twyman-Green interferometry using a barium titanate BaTiO3 crystal as the phase conjugating mirror in the reference arm of the interferometer and to use this interferometer to test the optical quality for a number of diverse optical components.