Journal
2022 47TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ 2022)
Volume -, Issue -, Pages -Publisher
IEEE
DOI: 10.1109/IRMMW-THz50927.2022.9895490
Keywords
Diffraction-limited resolution; Silicon integrated array; direct-detection; antenna-coupled detector; QO imaging system; submillimeter-wave imaging; broadband antenna; THz imaging
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This contribution presents the diffraction-limited imaging capabilities of a focal plane array (FPA) of antenna-coupled direct-detectors at submillimeter wavelengths. A quasi-optical setup was used to actively illuminate the FPA for imaging with high signal-to-noise ratio (> 40 dB SNR). The results demonstrate the attractiveness of this FPA design for future passive THz imaging applications.
In this contribution we will present the diffraction-limited imaging capabilities of a focal plane array (FPA) of antenna-coupled direct-detectors at submillimeter wavelengths. The FPA prototype is a tightly sampled, 12 -pixel array that was developed in a 22 nm CMOS technology and it covers a band from 200 GHz to 600 GHz. A quasi-optical (QO) setup was developed to actively illuminate this FPA in order to perform imaging with > 40 dB SNR. The resulting images will be the first that have diffraction-limited angular resolution at these wavelengths, which demonstrates that this FPA design can be very attractive for future passive THz imaging applications.
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