Lens Absorber Coupled MKIDs for Far Infrared Imaging Spectroscopy

Conference paper (2023)

Authors

Shahab Oddin Dabironezare SRON–Netherlands Institute for Space Research, Tera-Hertz Sensing - EEMCS
Sven van Berkel NASA-Jet Propulsion Laboratory
P.M. Echternach NASA-Jet Propulsion Laboratory
P.K. Day NASA-Jet Propulsion Laboratory
Charles M. Bradford NASA-Jet Propulsion Laboratory
J.J.A. Baselmans Tera-Hertz Sensing - EEMCS
Research Group
Tera-Hertz Sensing (EEMCS) (TU Delft)
Copyright: © 2023 Shahab Oddin Dabironezare, Sven van Berkel, Pierre M. Echternach, Peter K. Day, Charles M. Bradford, J.J.A. Baselmans
DOI: https://doi.org/10.1109/IRMMW-THz57677.2023.10299178
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Published Date

2023

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Tera-Hertz Sensing

Abstract

Future generation of astronomical imaging spectrometers are targeting the far infrared wavelengths to close the THz astronomy gap. Similar to lens antenna coupled Microwave Kinetic Inductance Detectors (MKIDs), lens absorber coupled MKIDs are a candidate for highly sensitive large format detector arrays. However, the latter is more robust to misalignment and assembly issues at THz frequencies due to its incoherent detection mechanism while requiring a less complex fabrication process. In this work, the performance of such detectors is investigated. The fabrication and sensitivity measurement of several lens absorber coupled MKID array prototypes operating at 7.8 and 12 THz central frequencies is ongoing.

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