Comparison of the contrast-phase map reconstruction by Fresnel transform method and the angular spectrum backward propagation algorithm in RuO<sub>2</sub>:LiNbO<sub>3</sub> crystal

Weijuan Qu; Ya'nan Zhi; De'an Liu; Wei Lu; Zhijuan Hu; Chunhua Wang; Liren Liu

doi:10.1117/12.678412

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14 August 2006 Comparison of the contrast-phase map reconstruction by Fresnel transform method and the angular spectrum backward propagation algorithm in RuO₂:LiNbO₃ crystal

Weijuan Qu, Ya'nan Zhi, De'an Liu, Wei Lu, Zhijuan Hu, Chunhua Wang, Liren Liu

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Proceedings Volume 6292, Interferometry XIII: Techniques and Analysis; 62921D (2006) https://doi.org/10.1117/12.678412
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

With digital holographic interferometry, we have investigated the phase differences of a plane wave transmitting through a partly-poled RuO₂:LiNbO₃ crystal sample. The holograms recorded by a CCD array are reconstructed by both the Fresnel transform method and the angular spectrum backward propagation algorithm. Comparison of the reconstructed results shows a higher resolution can be achieved by the angular spectrum backward propagation algorithm.

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Weijuan Qu, Ya'nan Zhi, De'an Liu, Wei Lu, Zhijuan Hu, Chunhua Wang, and Liren Liu "Comparison of the contrast-phase map reconstruction by Fresnel transform method and the angular spectrum backward propagation algorithm in RuO₂:LiNbO₃ crystal", Proc. SPIE 6292, Interferometry XIII: Techniques and Analysis, 62921D (14 August 2006); https://doi.org/10.1117/12.678412

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