NDLI: Three-dimensional imaging with terahertz quantum cascade laser and quantum well photodetector

Content Provider	IET Digital Library
Author	Zhou, Tao Tan, Zhi Yong Gu, Li Fu, Zhang Long Yao, Zheng Wei Cao, Jun Cheng
Abstract	A three-dimensional (3D) terahertz (THz) computed tomography system with a THz quantum cascade laser as the source and a quantum well photodetector as the receiver is demonstrated. By utilising the algebraic reconstruction technique for image reconstruction, both the external and internal structures of the cross-section are revealed. The iterative algorithm not only reduces the projections, but also provides good suppression of the beam hardening effect. Finally, the 3D image is built by stacking the images at different heights.
Starting Page	85
Ending Page	86
Page Count	2
ISSN	00135194
Volume Number	51
e-ISSN	1350911X
Issue Number	Issue 1, Jan (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/51/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2014.3873
Journal	Electronics Letters
Publisher Date	2014-12-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Algebraic Reconstruction Technique Beam Hardening Effect Bolometers Computerised Tomography Detection of Radiation Image Processing Image Reconstruction Iterative Algorithm Iterative Method Lasing Action in SemiConductor Microwave Measurement Technique Optical, Image And Video Signal Processing PhotoDetector Photoelectric Cell Quantum Cascade Lasers Quantum Well Device Quantum Well Photodetector Receiver Restoration Semiconductor Laser Submillimetre Wave Detection Terahertz Quantum Cascade Laser Terahertz Wave Imaging Three-dimensional Imaging Three-dimensional Terahertz Computed Tomography System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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