| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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The research of Digital Holographic Object Wave Field Reconstruction in Image and Object Space |
| LI Jun-Chang**, PENG Zu-Jie, FU Yun-Chang
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Faculty of Science, Kunming University of Science and Technology, Kunming 650093
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| Cite this article: |
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LI Jun-Chang, PENG Zu-Jie, FU Yun-Chang 2011 Chin. Phys. Lett. 28 064201 |
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Abstract For conveniently detecting objects of different sizes using digital holography, usual measurements employ the object wave transformed by an optical system with different magnifications to fit charge coupled devices (CCDs), then the object field reconstruction involves the diffraction calculation of the optic wave passing through the optical system. We propose two methods to reconstruct the object field. The one is that, when the object is imaging in an image space in which we reconstruct the image of the object field, the object field can be expressed according to the object-image relationship. The other is that, when the object field reaching CCD is imaged in an object space in which we reconstruct the object field, the optical system is described by introducing matrix optics in this paper. The reconstruction formulae which easily use classic diffraction integral are derived. Finally, experimental verifications are also accomplished.
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Received: 23 September 2010
Published: 29 May 2011
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[7] Li J C 2008 Laser Diffraction and Its Thermal Effect Calculation (Beijing: Science press)chap 3 p 88 (in Chinese)
[8] Picart P and Leval J 2008 J. Opt. Soc. Am. A 25 1744
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