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作者:

Wang, Dayong (Wang, Dayong.) (学者:王大勇) | Zhao, Jie (Zhao, Jie.) | Wang, Guangjun (Wang, Guangjun.) | Wan, Yuhong (Wan, Yuhong.) (学者:万玉红) | Jiang, Zhuqing (Jiang, Zhuqing.) (学者:江竹青) | Tao, Shiquan (Tao, Shiquan.)

收录:

CPCI-S

摘要:

We present an analysis of the reconstruction through any intermediate plane by using the cascaded Fresnel diffraction integrals. The realization of the integral with the single fast-Fourier-transform (FFT) imposes inherently the constraints on the pixel resolution and the field of view of the computation window in the intermediate plane. On the other hand, according to the optical diffraction field of the band-limited object, the size of the diffraction field including most energy exhibits a change with the intermediate plane in a different way. Since the field of view of the computation window is usually smaller than the corresponding optical diffraction field, then the simply cascaded FFT-Fresnel diffraction integral algorithms will lose the resolution and degrade the image quality. It is proposed to improve the reconstruction by compensating the field to be close to the optical diffraction field and using the new field as the computation window in the intermediate plane. The numerical simulation and the experimental data-based calculation are performed and demonstrate our proposal.

关键词:

diffraction digital holography digital reconstruction Fresnel integral light propagation

作者机构:

  • [ 1 ] [Wang, Dayong]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China
  • [ 2 ] [Zhao, Jie]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China
  • [ 3 ] [Wang, Guangjun]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China
  • [ 4 ] [Wan, Yuhong]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China
  • [ 5 ] [Jiang, Zhuqing]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China
  • [ 6 ] [Tao, Shiquan]Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China

通讯作者信息:

  • Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China

电子邮件地址:

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来源 :

HOLOGRAPHY AND DIFFRACTIVE OPTICS III

ISSN: 0277-786X

年份: 2008

卷: 6832

页码: 83207-83207

语种: 英文

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