Improved Terahertz Phase Imaging with Single-beam Multiple-plane Reconstruction

被引：1

作者：

Xing, Chungui ^{[1
]}

Qi, Feng ^{[2
,3
,4
,5
]}

Guo, Shuxu ^{[1
]}

机构：

[1] Jilin Univ, Coll Elect Sci & Engn, Changchun, Peoples R China

[2] Chinese Acad Sci, Key Lab Optoelect Informat Proc, Shenyang, Peoples R China

[3] Chinese Acad Sci, Shenyang Inst Automat, Shenyang, Peoples R China

[4] Chinese Acad Sci, Inst Robot & Intelligent Mfg, Shenyang, Peoples R China

[5] Univ Chinese Acad Sci, Beijing, Peoples R China

来源：

2021 46TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ) | 2021年

关键词：

D O I：

10.1109/IRMMW-THz50926.2021.9566855

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We demonstrate a lensless terahertz phase retrieval imaging technique with a point radiation source. In contrast to the conventional applied multiple-plane iterative phase retrieval method, an algorithmic method to accelerate the phase retrieval process is proposed by using a randomly ordered sequence of propagations. The experimental results demonstrate that the method can improve the convergence speed by 2 to 3 times and reduce the number of needed intensity measurements for the iterative retrieval.

引用

页数：2

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