Abstract
We tried a method of making a -class large-radius-of-curvature surface that would satisfy both low microroughness and low waviness by forming a spherically curved film with a low-loss coating technique on a flat surface produced by mechanical (chemical) polishing. We obtained a surface with a radius of spherical curvature that had less than waviness and microroughness over a -diameter area.
© 2005 Optical Society of America
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