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Development of aluminum LEKIDs for balloon-borne far-infrared spectroscopy (Conference Presentation)

Barlis, Alyssa and Hailey-Dunsheath, Steven and Aguirre, James E. and Bradford, Charles M. and Redford, Joseph G. and Billings, Tashalee S. and LeDuc, Henry G. and McKenney, Christopher M. and Hollister, Matthew I. (2018) Development of aluminum LEKIDs for balloon-borne far-infrared spectroscopy (Conference Presentation). In: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX. Proceedings of SPIE. No.10708. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 107080V. ISBN 9781510619692. https://resolver.caltech.edu/CaltechAUTHORS:20190823-134013818

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Abstract

We are developing lumped-element kinetic inductance detectors (LEKIDs) designed to achieve background-limited sensitivity for far-infrared (FIR) spectroscopy on a stratospheric balloon. The Spectroscopic Terahertz Airborne Receiver for Far-InfraRed Exploration (STARFIRE) will study the evolution of dusty galaxies with observations of the [CII] 158 micron and other atomic fine-structure transitions at z = 0.5 - 1.5, both through direct observations of individual luminous infrared galaxies, and in blind surveys using the technique of line intensity mapping. The spectrometer requires large format arrays of dual-polarization-sensitive detectors with NEPs of 1e-17 W/sqrt(Hz). We pattern the LEKIDs in 20-nm aluminum film, and use an array of profiled feedhorns to couple optical radiation onto the meandered inductors. A backshort etched from the backside to a buried oxide layer insures high absorption efficiency without additional matching layers. Initial testing on small sub-arrays has demonstrated a high device yield and median NEP of 4e-18 W/sqrt(Hz). We describe the development and characterization of kilo-pixel arrays using a combination of dark noise measurements and optical response with our cryogenic blackbody.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.2311394DOIVideo
ORCID:
AuthorORCID
Hailey-Dunsheath, Steven0000-0002-8504-7988
Aguirre, James E.0000-0002-4810-666X
Bradford, Charles M.0000-0001-5261-7094
McKenney, Christopher M.0000-0003-4917-4872
Additional Information:© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE).
Series Name:Proceedings of SPIE
Issue or Number:10708
Record Number:CaltechAUTHORS:20190823-134013818
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190823-134013818
Official Citation:Alyssa Barlis, Steven Hailey-Dunsheath, James E. Aguirre, Charles M. Bradford, Joseph G. Redford, Tashalee S. Billings, Henry G. LeDuc, Christopher M. McKenney, and Matthew I. Hollister "Development of aluminum LEKIDs for ballooon-borne far-infrared spectroscopy (Conference Presentation)", Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 107080V (10 July 2018); https://doi.org/10.1117/12.2311394
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:98187
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:23 Aug 2019 22:23
Last Modified:09 Mar 2020 13:19

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