Fabrication using the computer controlled polisher.
The computer controlled polisher uses a small grinding-polishing tool assembly which travels over the work-piece surface under computer control. The machine has been used to fabricate successfully a number of difficult substrates including a beryllium mirror, a nonrotationally symmetric corrector plate, and a flexible aspheric mirror. These efforts have demonstrated the capability of CCP to fabricate 1/15 wave surfaces for difficult substrates.
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