Abstract
Abstract Large aperture thin-film mirrors have peaked the interest of the optics community over the past few years. The promise of seeing further with more clarity than the Hubble Space Telescope makes large apertures the golden carrot of optics. This research into precision shape control of thin-film mirrors has emphasized the development of electron gun systems for application of control charges to piezoelectric structures to control their shape. Maximum and minimum possible shape corrections of a thin film structure, which is intended to be analogous to an optical mirror, are investigated, as are the characteristics of noncontact electron gun shape control in a closed loop control system.
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