Diffraction-Limited Imaging Demonstration using a Silicon Integrated Array at Terahertz Frequencies

Conference paper (2022)

Authors

M. Hoogelander Tera-Hertz Sensing - EEMCS
E.S. Malotaux Electronics - EEMCS
M. Alonso Del Pino Tera-Hertz Sensing - EEMCS
M. Spirito Electronics - EEMCS
A. Neto Tera-Hertz Sensing - EEMCS
D. Cavallo Tera-Hertz Sensing - EEMCS
Nuria Llombart Tera-Hertz Sensing - EEMCS
Research Group
Tera-Hertz Sensing (EEMCS) (TU Delft)
Copyright: © 2022 M. Hoogelander, S.L. van Berkel, E.S. Malotaux, M. Alonso Del Pino, M. Spirito, A. Neto, D. Cavallo, Nuria Llombart
DOI: https://doi.org/10.1109/IRMMW-THz50927.2022.9895490
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Published Date

2022

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Tera-Hertz Sensing

Abstract

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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