THz coherent lensless imaging

被引：36

作者：

Valzania, Lorenzo ^{[1
,2
]}

Zhao, Yuchen ^{[3
]}

Rong, Lu ^{[4
,5
]}

Wang, Dayong ^{[4
,5
]}

Georges, Marc ^{[3
]}

Hack, Erwin ^{[1
]}

Zolliker, Peter ^{[1
]}

机构：

[1] Swiss Fed Labs Mat Sci & Technol, Empa, Lab Transport Nanoscale Interfaces, 129 Uberlandstr, CH-8600 Dubendorf, Switzerland

[2] Paris Sci & Lettres PSL Res Univ, Sorbonne Univ, Ecole Normale Super, Lab Kastler Brossel,CNRS,Coll France, 24 Rue Lhomond, F-75005 Paris, France

[3] Univ Liege, STAR Res Unit, Ctr Spatial Liege, Liege Sci Pk,Ave Pre Aily, B-4031 Angleur, Belgium

[4] Beijing Univ Technol, Coll Appl Sci, 100 Ping Le Yuan, Beijing 100124, Peoples R China

[5] Beijing Engn Res Ctr Precis Measurement Technol &, 100 Ping Le Yuan, Beijing 100124, Peoples R China

来源：

APPLIED OPTICS | 2019年 / 58卷 / 34期

基金：

瑞士国家科学基金会; 中国国家自然科学基金;

关键词：

TERAHERTZ DIGITAL HOLOGRAPHY; PHASE RETRIEVAL ALGORITHMS; TIME-DOMAIN SPECTROSCOPY; WAVE-FRONT RECONSTRUCTION; QUANTUM CASCADE LASER; IN-LINE HOLOGRAPHY; SYNTHETIC-APERTURE; ANGULAR SPECTRUM; TRANSMISSION MICROSCOPY; THICKNESS MEASUREMENT;

D O I：

10.1364/AO.58.00G256

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Imaging with THz radiation has proved an important tool for both fundamental science and industrial use. Here we review a class of THz imaging implementations, named coherent lensless imaging, that reconstruct the coherent response of arbitrary samples with a minimized experimental setup based only on a coherent source and a camera. After discussing the appropriate sources and detectors to perform them, we detail the fundamental principles and implementations of THz digital holography and phase retrieval. These techniques owe a lot to imaging with different wavelengths, yet innovative concepts are also being developed in the THz range and are ready to be applied in other spectral ranges. This makes our review useful for both the THz and imaging communities, and we hope it will foster their interaction. (C) 2019 Optical Society of America

引用

页码：G256 / G275

页数：20

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