| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Super-Resolved Digital Holography Based on the Coherent Diffraction Imaging Scheme |
| WANG Bao-Sheng1, PAN Xing-Chen2, WANG Hai-Yan2, CHENG Jun2, GAO Shu-Mei1, LIU Cheng1**, ZHU Jian-Qiang2 |
1College of Sciences, Jiangnan University, Wuxi 214000
2Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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| Cite this article: |
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WANG Bao-Sheng, PAN Xing-Chen, WANG Hai-Yan et al 2013 Chin. Phys. Lett. 30 054209 |
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Abstract An algorithm is proposed to enhance the resolution of digital holography by retrieving the frequency components lost in common holograms. A pinhole is placed directly behind the specimen to record the hologram, and an iterative scheme commonly used in coherent diffraction imaging is adopted for the reconstruction. Since some of the frequency components lost in common digital holography can be properly retrieved, the resolution of the reconstructed image is remarkably improved. Theoretical analysis and computer simulations are presented to demonstrate the feasibility of this proposed technique.
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Received: 13 September 2012
Published: 31 May 2013
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| PACS: |
42.79.Ta
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(Optical computers, logic elements, interconnects, switches; neural networks)
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42.30.Rx
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(Phase retrieval)
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42.40.-i
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(Holography)
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42.25.Fx
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(Diffraction and scattering)
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