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Proceedings Paper

Design considerations for a background limited 350 micron pixel array using lumped element superconducting microresonators
Author(s): Christopher M. McKenney; Henry G. Leduc; Loren J. Swenson; Peter K. Day; Byeong H. Eom; Jonas Zmuidzinas
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Paper Abstract

Future submillimeter telescopes will demand arrays with 106 pixels to fill the focal plane. MAKO is a 350 μm camera being developed to demonstrate the use of superconducting microresonators to meet the high multiplexing factors required for scaling to large-format arrays while offering background-limited single-pixel sensitivity. Candidate pixel designs must simultaneously meet many requirements. To achieve the desired noise equivalent powers it must efficiently absorb radiation, feature a high responsivity, and exhibit low intrinsic device noise. Additionally, the use of high resonator quality factors of order ~ 105 and resonant frequencies of order fres ≈ 100 MHz are desirable in order to reduce the per-pixel bandwidth to a minimum set by telescope scan speeds. This allows a maximum number of pixels to be multiplexed in a fixed electronic bandwidth. Here we present measurement results of the first MAKO prototype array which meets these design requirements while demonstrating sufficient sensitivity for background-limited operation at ground-based, far-infrared telescopes.

Paper Details

Date Published: 24 September 2012
PDF: 10 pages
Proc. SPIE 8452, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI, 84520S (24 September 2012); doi: 10.1117/12.925759
Show Author Affiliations
Christopher M. McKenney, California Institute of Technology (United States)
Henry G. Leduc, Jet Propulsion Lab. (United States)
Loren J. Swenson, California Institute of Technology (United States)
Jet Propulsion Lab. (United States)
Peter K. Day, Jet Propulsion Lab. (United States)
Byeong H. Eom, California Institute of Technology (United States)
Jonas Zmuidzinas, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 8452:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI
Wayne S. Holland, Editor(s)

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