| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Phase-Shift Extraction and Wavefront Reconstruction in Generalized Phase-Shifting Interferometry with a Standard Phase Object |
| LI Jie, WANG Yu-Rong**, MENG Xiang-Feng, YANG Xiu-Lun, WANG Qing-Pu |
School of Information Science and Engineering and Shandong Provincial Key Laboratory of Laser Technology and Application, Shandong University, Jinan 250100
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| Cite this article: |
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LI Jie, WANG Yu-Rong, MENG Xiang-Feng et al 2013 Chin. Phys. Lett. 30 094205 |
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Abstract A method to extract phase shifts and reconstruct the object wave in generalized phase-shifting interferometry (GPSI) is proposed. The phase distribution of a standard phase object and the least-square method are used to extract phase shifts over a wide range from 0 to π. Consequently, the tested object wave can be further reconstructed with the extracted phase shifts. It is accurate and applicable for GPSI of any frame number N (N≥2). Computer simulation has verified its feasibility and validity.
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Received: 01 March 2013
Published: 21 November 2013
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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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