Based on aspheric computer controlled manufacturing center (FSGJ-3)
as forφ108 mm aspheric lens (
R
=318 mm
k
=-3)
the polishing equipment
tools
abrasives and testing method used in polishing are researched. Wheeled polishing technology for the middle or small aspheric lens is introduced. It's showed that the final surface figure of the lens is 0.306λ(PV)、0.028λ(RMS) (λ=0.632 8μm). Discussing and analyzing the key technology of middle or small aspheric lens in detail
supplies a basic technology guarantee for aspheric optical component to reduce the size
weight and complexity of decreasing the number of surfaces required to form unaberrated images.
关键词
Keywords
references
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