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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 6, Iss. 3 — Mar. 1, 2008
  • pp: 165–167

Simple and robust digital holography for high-resolution imaging

Huaying Wang, Dayong Wang, Jie Zhao, and Jianjun Xie  »View Author Affiliations

Chinese Optics Letters, Vol. 6, Issue 3, pp. 165-167 (2008)

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Based on the point spread function of holographic system, the lateral resolution of digital holographic imaging system without any pre-magnification is studied. The expression of resolution limitation of holographic imaging system is thus presented. We investigate the possibilities to improve the lateral resolution. The simple experimental setup with an off-axis arrangement is built. By using a U.S. Air Force (USAF) test target as microscopic object, the recorded holograms are reconstructed digitally based on the principle of Fresnel diffraction. The lateral resolution of 2.76 micron without any pre-magnification is demonstrated experimentally, which matches the theoretical prediction well.

© 2008 Chinese Optics Letters

OCIS Codes
(090.0090) Holography : Holography
(110.0110) Imaging systems : Imaging systems
(180.0180) Microscopy : Microscopy

Huaying Wang, Dayong Wang, Jie Zhao, and Jianjun Xie, "Simple and robust digital holography for high-resolution imaging," Chin. Opt. Lett. 6, 165-167 (2008)

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