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.
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页数：2
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