Imaging System Front-End at 202GHz Using LO/RF Isolation of Harmonic Mixer for Illumination

Abdorreza Torabi

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Paper

Imaging System Front-End at 202GHz Using LO/RF Isolation of Harmonic Mixer for Illumination

Topics: Photodetectors, Sensors, Displays and Imaging; Terahertz Photonics

In Proceedings of the 11th International Conference on Photonics, Optics and Laser Technology PHOTOPTICS - Volume 1, 74-77, 2023 , Lisbon, Portugal

Author: Abdorreza Torabi

Affiliation: School of Engineering Science, College of Engineering, University of Tehran, Tehran, Iran

Keyword(s): Millimeter-Wave Imaging, Harmonic Mixer, LO/RF Isolation, Horn Antenna, Cassegrain Mirror, Field of View, Concealed Object.

Abstract: A millimeter-wave imaging system front-end at 202 GHz is developed and presented. To have more compact and economical transceiver and also due to the finite isolation between the LO and RF ports, a commercial harmonic mixer acts both as receiver and transmitter. To improve the performance as well as imaging quality an optomechanical system with ray optics designed configuration of mirrors is presented. Results of the 202 GHz imager for stand-off detection at 2.5m are illustrated.

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Paper citation in several formats:

Torabi, A. (2023). Imaging System Front-End at 202GHz Using LO/RF Isolation of Harmonic Mixer for Illumination. In Proceedings of the 11th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-758-632-3; ISSN 2184-4364, SciTePress, pages 74-77. DOI: 10.5220/0011685400003408

@conference{photoptics23,
author={Abdorreza Torabi.},
title={Imaging System Front-End at 202GHz Using LO/RF Isolation of Harmonic Mixer for Illumination},
booktitle={Proceedings of the 11th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2023},
pages={74-77},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0011685400003408},
isbn={978-989-758-632-3},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the 11th International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - Imaging System Front-End at 202GHz Using LO/RF Isolation of Harmonic Mixer for Illumination
SN - 978-989-758-632-3
IS - 2184-4364
AU - Torabi, A.
PY - 2023
SP - 74
EP - 77
DO - 10.5220/0011685400003408
PB - SciTePress