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Lithographed spectrometers for tomographic line mapping of the Epoch of Reionization

O’Brient, R. and Bock, J. J. and Bradford, C. M. and Crites, A. and Duan, R. and Hailey-Dunsheath, S. and Hunasek, J. and LeDuc, R. and Shirokoff, E. and Staniszewski, Z. and Turner, A. and Zemcov, M. (2014) Lithographed spectrometers for tomographic line mapping of the Epoch of Reionization. In: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII. Proceedings of SPIE. No.9153. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 91530F. ISBN 978-0-8194-9621-8. http://resolver.caltech.edu/CaltechAUTHORS:20150615-104415390

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Abstract

The Tomographic Ionized carbon Mapping Experiment (TIME) is a multi-phased experiment that will topographically map [CII] emission from the Epoch of Reionization. We are developing lithographed spectrometers that couple to TES bolometers in anticipation of the second generation instrument. Our design intentionally mirrors many features of the parallel SuperSpec project, inductively coupling power from a trunk-line microstrip onto half-wave resonators. The resonators couple to a rat-race hybrids that feeds TES bolometers. Our 25 channel prototype shows spectrally positioned lines roughly matching design with a receiver optical efficiency of 15-20%, a level that is dominated by loss in components outside the spectrometer.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1117/12.2057319 DOIArticle
http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1895271PublisherArticle
ORCID:
AuthorORCID
Zemcov, M.0000-0001-8253-1451
Additional Information:© 2014 SPIE. R. O’Brient would like to thank Oak Ridge Associated Universities for funding through the NASA Post-doctoral Program. All devices were fabricated in the Microdevices Laboratory (MDL) at NASA’s Jet Propulsion Laboratory. We thank the Kavli Institute for Space Sciences (KISS) at Caltech for tomography study funding and funding for Abigail Crites in the KISS postdoctoral program.
Group:Keck Institute for Space Studies
Funders:
Funding AgencyGrant Number
NASA Postdoctoral ProgramUNSPECIFIED
Keck Institute for Space Studies (KISS)UNSPECIFIED
Subject Keywords:Epoch of Reionization, spectrometer
Record Number:CaltechAUTHORS:20150615-104415390
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150615-104415390
Official Citation:R. O'Brient ; J. J. Bock ; C. M. Bradford ; A. Crites ; R. Duan ; S. Hailey-Dunsheath ; J. Hunacek ; R. LeDuc ; E. Shirokoff ; Z. Staniszewski ; A. Turner ; M. Zemcov; Lithographed spectrometers for tomographic line mapping of the Epoch of Reionization. Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 91530F (August 19, 2014); doi:10.1117/12.2057319
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58244
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:15 Jun 2015 17:52
Last Modified:30 Jan 2017 20:18

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