ISSTT Proceedings

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Development of a 585 GHz One-Dimensional Diffusion- Cooled Niobium HEB Mixer Imaging Array Based on the "Reverse-Microscope" Concept

Authors:
L. Liu, Q. Xiao, H. Xu, A. W. Lichtenberger, R. M. Weikle, II
Abstract:
We have designed and fabricated prototype 585 GHz one-dimensional (1-D) slot-ring antenna (SRA) coupled d-HEB imaging mixer arrays (four pixels) based on the "reverse-microscope" concept. Due to the small element spacing, the mutual coupling between adjacent SRA's in the mixer array can not be ignored. ADS momentum simulation has been performed to study the self- and mutual- impedances of the SRA array with various element spacings. The element SR A off-axis radiation patterns (with silicon lens) have been calculated using ray-tracing techniques and the imaging angular resolution has been predicted. Fabrication and measurement systems are discussed.
Categories:
Detectors, Superconductors
Year:
2006
Session:
8
Full-text:
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Page Number(s):
315-318