Research on processing technology of odd-form off-axis aspherical lens

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

doi:10.1117/12.2068113

6 August 2014 Research on processing technology of odd-form off-axis aspherical lens

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

Proceedings Volume 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 92812F (2014) https://doi.org/10.1117/12.2068113
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

With the development of advanced optical processing technology, the off-axis aspherical lens are the vital optical device for the high precision measurement and machining system. Off-axis aspherical lens can not only reduce the complexity of the system, but also increase the breadth of coverage to get closer to the ideal image. In order to get high efficiency and high surface accuracy, the off-axis aspherical lens processing and testing methods are deeply researched. The processing of traditional off-axis aspherical lens process coaxial aspherical lens first, then cut it to off-axis aspherical lens. This method is prone to edge spliting and on the surface of the secondary damage. This article presents a novel processing technology - splicing processing technology. The technology can guarantee the accuracy of polishing the surface type, and to avoid secondary damage to the surface, to achieve high-precision off-axis aspherical lens machining. The off-axis aspherical lens are tested by Taylor Hobson profilometer. The off-axis aspheric surface figure can get 0.715 μm, the surface polish can achieve the Grade II. Therefore, a high efficiency, reproducible off-axis aspherical polishing method were summarized. The off-axis aspherical lens to achieve mass production.

Citation Download Citation

Xiu-hua Fu, Huan Dong, Zong-he Jia, Zhe Wang, Dan Liu, and Chuan-xin Zhang "Research on processing technology of odd-form off-axis aspherical lens", Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 92812F (6 August 2014); https://doi.org/10.1117/12.2068113

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KEYWORDS

Aspheric lenses

Polishing

Surface finishing

Optical components

Chemical elements

Particles

Optics manufacturing

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