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330 GHz FMCW Image Sensor for Homeland Security Applications

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Abstract

A single-pixel imaging remote sensor operating at 330 GHz is described. It is based on a frequency modulated continuous wave (FMCW) and aimed at detection of concealed objects for ranges up to 40 m. The system consists of 2 horn-lens antennas integrated with a homodyne transceiver. The synthesized linear FMCW signal at X-band is multiplied by a factor of 32 to generate the transmitted signal. An intermediate frequency (IF) signal obtained in the output port of the 2-nd harmonic mixer is employed for image processing. Distance measurements were made by performing data acquisition unit based on LabView interface and resulting in a range resolution about 1 cm. Examples of 2D and 3D images reconstructed with this sensor are presented.

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Acknowledgement

The authors would like to thank engineer A. Shulsinger for his assistance in assembling the experimental setup.

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Authors and Affiliations

  1. Ariel University Center of Samaria, P.O. Box 3, Ariel, 40700, Israel

    Boris Kapilevich, Yosef Pinhasi, Ruth Arusi, Michael Anisimov, Danny Hardon, Boris Litvak & Yan Wool

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  1. Boris Kapilevich
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  2. Yosef Pinhasi
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  3. Ruth Arusi
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  4. Michael Anisimov
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  5. Danny Hardon
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  6. Boris Litvak
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  7. Yan Wool
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Correspondence to Boris Kapilevich.

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Kapilevich, B., Pinhasi, Y., Arusi, R. et al. 330 GHz FMCW Image Sensor for Homeland Security Applications. J Infrared Milli Terahz Waves 31, 1370–1381 (2010). https://doi.org/10.1007/s10762-010-9702-4

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  • DOI: https://doi.org/10.1007/s10762-010-9702-4

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