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    Time-Domain THz Near-Field Imaging Incorporating Hadamard Multiplexing Method

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    Author
    Tuo, Mingguang
    Liang, Min
    Zhang, Jitao
    Xin, Hao
    Affiliation
    Department of Electrical and Computer Engineering, University of Arizona
    Department of Physics, University of Arizona
    Issue Date
    2016-09-25
    Keywords
    Antenna measurements
    Time-domain analysis
    Antenna arrays
    Signal to noise ratio
    Substrates
    Principal component analysis
    Correlation coefficient
    
    Metadata
    Show full item record
    Publisher
    IEEE
    Citation
    M. Tuo, M. Liang, J. Zhang and H. Xin, "Time-domain THz near-field imaging incorporating Hadamard multiplexing method," 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), Copenhagen, 2016, pp. 1-1.
    Journal
    2016 41ST INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)
    Rights
    Copyright © 2016, IEEE.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Photoconductive antenna (PCA) array based THz near-field imager incorporating Hadamard multiplexing method is developed in this work. By using a 2 × 2 dipole antenna array as the THz transmitter, the system signal-to-noise ratio (SNR) is demonstrated to be improved by a factor of 2 as the theory predicts. Additionally, a 2-D scanning of a metallic structure on a THz-transparent substrate (with a total scanning area of 1 × 1 mm2) is experimentally implemented. Correlation coefficient estimation is made afterwards to quantify the reconstructed image quality.
    eISBN
    978-1-4673-8485-8
    DOI
    10.1109/IRMMW-THz.2016.7758809
    Version
    Final accepted manuscript
    ae974a485f413a2113503eed53cd6c53
    10.1109/IRMMW-THz.2016.7758809
    Scopus Count
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    UA Faculty Publications

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