| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Advanced Aperture Synthesis by Wave-Front Combination in Generalized Phase-Shifting Interferometry |
| XU Xian-Feng1**, CAI Lü-Zhong2, LU Guang-Can1, HAN Guo-Xia1, TIAN Yan-Jie1, ZHANG Qian1, JIAO Zhi-Yong1 |
1College of Science, China University of Petroleum (East China), Qingdao 266580
2Department of Optics, Shandong University, Jinan 250100 |
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Abstract An approach to improve the image quality by aperture synthesis in generalized phase-shifting interferometry is proposed. The aperture of the holographic system is enlarged by increasing the recording area to receive a more diffusive spectrum by moving a singular CCD. The sub-object wave fronts are combined with the index of their intensities. This method can avoid the negative effect of environmental disturbance and improve the synthesis efficiency by hundreds of times. The optical experiments have shown that it is simple and robust to stitch the complex object wave front accurately and to improve the imaging quality greatly, especially for the recording of large scale objects.
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Received: 09 April 2012
Published: 31 July 2012
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| PACS: |
42.40.Kw
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(Holographic interferometry; other holographic techniques)
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42.30.Wb
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(Image reconstruction; tomography)
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42.30.Va
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(Image forming and processing)
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42.30.Rx
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(Phase retrieval)
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