Research on the polishing technology of high-precision aspherical cylindrical lens

Xiu-hua Fu; Zhe Wang; Zong-he Jia; Huan Dong; Dan Liu; Chuan-xin Zhang

doi:10.1117/12.2068109

6 August 2014 Research on the polishing technology of high-precision aspherical cylindrical lens

Xiu-hua Fu, Zhe Wang, Zong-he Jia, Huan Dong, Dan Liu, Chuan-xin Zhang

Proceedings Volume 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 92812E (2014) https://doi.org/10.1117/12.2068109
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

Aspherical cylindrical lens compared with the cylindrical lens, they improved image quality and optical properties, simplified the system architecture. They applied in many fields, such as high power laser system, fax machines and typographical scan imaging system, as well as bar code scanning, lighting and other aspects of holography. Aspherical cylindrical lens are centrosymmetric. It is difficult to process. Parallel with the side line and bus bar line is difficult to ensure. Machining accuracy is low. It is usually about 15 μm, that not sufficient to meet the needs of modern highprecision laser systems. These have become a major problem restricting its development. Combining traditional and modern polishing techniques, a new technique for polishing aspherical cylindrical lens is proposed-- longitudinal feedback compensation technology. With dimensions of 15 × 5 × 5 mm quartz aspherical cylindrical lens as an example, the surface profilometer results of detection of the workpiece usually, modify the shape of the polishing surface of the mold, to control the size of the area of the polishing, the surface of the workpiece to achieve the effect of the type of compensation. After repeated testing and feedback compensation, gradually improve the accuracy of the workpiece surface type. The results show that this technique can effectively improve the precision aspherical cylindrical lens. After detection the workpiece surface accuracy is 0.8μm, the surface finish is Class II. It has the actual production of a certain application value.

Citation Download Citation

Xiu-hua Fu, Zhe Wang, Zong-he Jia, Huan Dong, Dan Liu, and Chuan-xin Zhang "Research on the polishing technology of high-precision aspherical cylindrical lens", Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 92812E (6 August 2014); https://doi.org/10.1117/12.2068109

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KEYWORDS

Polishing

Surface finishing

Imaging systems

Mirrors

Aspheric lenses

Laser systems engineering

Profilometers

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