Study on manufacturing process of optical glass progressive addition lenses
Author(s): LU Hongyan, BAI Dongfeng, LU Shengqi, Department of Optoelectronic Engineering, Henan Polytechnic Institute, Beihang University
Pages: 373-376
Year: 2015 Issue: 4
Journal: Optical Technique
Keyword: progressive addition lens; glass lenses; aspheric surface; molding;
Abstract: In order to meet the requirement of special imaging,the surface of progressive addition lenses requires the use of non rotational symmetry aspheric surface,which is very difficult to realize using the traditional processing methods.The technology of the product preparation method of core and key is discussed,a new type of progressive addition lenses preparation method——sinking molding is put forward.The technology can upgrade optical glass bifocal lenses and is conducive to promoting the development of the optical glass in the optical industry.
Pages: 373-376
Year: 2015 Issue: 4
Journal: Optical Technique
Keyword: progressive addition lens; glass lenses; aspheric surface; molding;
Abstract: In order to meet the requirement of special imaging,the surface of progressive addition lenses requires the use of non rotational symmetry aspheric surface,which is very difficult to realize using the traditional processing methods.The technology of the product preparation method of core and key is discussed,a new type of progressive addition lenses preparation method——sinking molding is put forward.The technology can upgrade optical glass bifocal lenses and is conducive to promoting the development of the optical glass in the optical industry.
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