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Conferences > DH > 2016 > DTh2E > DTh2E.2

3D Gradient-Index Reconstruction of a GRIN Lens by combining the Transport-of-Intensity Equation and the Filtered Back-Projection Algorithm

Wenjing Zhou, Yu Wu, Caifu Zheng, Hongbo Zhang, Yingjie Yu, and Ting-Chung Poon

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Abstract

The Transport-of-Intensity Equation (TIE) method and the Filtered-Back Projection algorithm are combined to obtain the refractive index profile of a GRID lens of 1.8mm in diameter. The proposed technique does not need phase unwrapping to retrieve the phase information of a thick sample.

© 2016 Optical Society of America

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