A simple arbitrary phase-step digital holographic reconstruction approach without blurring using two holograms |
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| Authors: | Wang-Ta Hsieh Ming-Kuei Kuo Hon Fai Yau Chi-Ching Chang |
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| Institution: | (1) School of Defense Science, National Defense University, Tashi, Taoyuan, 33509, Taiwan, R.O.C.;(2) Department of Electronic & Electrical Engineering, National Defense University, Tashi, Taoyuan, 33509, Taiwan, R.O.C.;(3) Department of Optics and Photonics, National Central University, Jhongli, Taoyuan, 32001, Taiwan, R.O.C.;(4) Institute of Electro-Optical Engineering, Ming Dao University, Peetow, Changhua, 52345, Taiwan, R.O.C. |
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| Abstract: | This work presents a simple approach for arbitrary phase-step digital holography using two holograms without ambiguity. Using
this approach, a magnitude-contrast image is reconstructed without dc term and twin-image blurring, but the phase-contrast
image is filled with phase distortion. Computer simulations are carried out to verify the proposed approach, and optical experiments
are performed to validate it. The advantages, benefits and limitations of the proposed method compared to conventional two-step
phase-shifting methods are also discussed herein. |
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| Keywords: | digital holography arbitrary phase-step wavefront reconstruction twin-image blurring |
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