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题名:
Modal wavefront reconstruction for radial shearing interferometer with lateral shear
作者: Gu NT; Huang LH; Yang ZP; Luo Q; Rao CH
刊名: OPTICS LETTERS
出版日期: 2011
卷号: 36, 期号:18, 页码:3693-3695
通讯作者: Gu NT (Gu Naiting)
文章类型: 期刊论文
中文摘要: In a radial shearing interferometer, a portion of the test beam is magnified and used as the reference for the tested wavefront. However, the reference portion is always off center (lateral shear), which complicates the wavefront reconstruction. A modal method for solving this problem is presented here. This method uses orthogonal Zernike polynomials and its matrix formalism to calculate the Zernike coefficient of the wavefront under test. This approach has easier implementation, is better filtering, and has a more adaptive practical situation. The corresponding mathematical formula is deduced, and a computer simulation is also made to verify operation of the algorithm. The result of simulation analysis shows that the proposed method is correct and accurate. (C) 2011 Optical Society of America
英文摘要: In a radial shearing interferometer, a portion of the test beam is magnified and used as the reference for the tested wavefront. However, the reference portion is always off center (lateral shear), which complicates the wavefront reconstruction. A modal method for solving this problem is presented here. This method uses orthogonal Zernike polynomials and its matrix formalism to calculate the Zernike coefficient of the wavefront under test. This approach has easier implementation, is better filtering, and has a more adaptive practical situation. The corresponding mathematical formula is deduced, and a computer simulation is also made to verify operation of the algorithm. The result of simulation analysis shows that the proposed method is correct and accurate. (C) 2011 Optical Society of America
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6214
Appears in Collections:自适应光学技术研究室(八室)_期刊论文

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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Gu NT,Huang LH,Yang ZP,et al. Modal wavefront reconstruction for radial shearing interferometer with lateral shear[J]. OPTICS LETTERS,2011,36(18):3693-3695.
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