IOE OpenIR  > 应用光学研究室(二室)
Absolute testing of freeform lens
Xin, Jia; Tingwen, Xing
Volume8884
Pages888429
2013
Language英语
ISSN0277786X
DOI10.1117/12.2029187
Indexed ByEi
Subtype会议论文
AbstractThe absolute testing method can be used to test the freeform lens. There are some spatial frequencies terms can't be getting by the traditional absolute testing method such as even and odd functions method, rotation shear method, rotated equally spaced position method. In this paper we will show the losing terms in the traditional method. In this paper the freeform surface is created by 300th Zernike polynomials. The freeform lens is based on the flat lens. We use the Zernike polynomial to simulate the two flats and use the freeform surface as the three flat. According to the three flat absolute testing methods, we can simulate the testing result. The freeform flat which we use is polishing by the ion figuring machine of NTG. © 2013 SPIE.; The absolute testing method can be used to test the freeform lens. There are some spatial frequencies terms can't be getting by the traditional absolute testing method such as even and odd functions method, rotation shear method, rotated equally spaced position method. In this paper we will show the losing terms in the traditional method. In this paper the freeform surface is created by 300th Zernike polynomials. The freeform lens is based on the flat lens. We use the Zernike polynomial to simulate the two flats and use the freeform surface as the three flat. According to the three flat absolute testing methods, we can simulate the testing result. The freeform flat which we use is polishing by the ion figuring machine of NTG. © 2013 SPIE.
Conference NameProceedings of SPIE: Optifab 2013
Conference Date2013
Citation statistics
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/7482
Collection应用光学研究室(二室)
Affiliation Lab of Applied Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu 610209, China
Recommended Citation
GB/T 7714
Xin, Jia,Tingwen, Xing. Absolute testing of freeform lens[C],2013:888429.
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