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Design and Fabrication of TES Detector Modules for the TIME-Pilot [CII] Intensity Mapping Experiment

Hunacek, J. R. and Bock, J. and Bradford, C. M. and Bumble, B. and Chang, T.-C. and Cheng, Y.-T. and Cooray, A. and Crites, A. and Hailey-Dunsheath, S. and Gong, Y. and Kenyon, M. and Koch, P. and Li, C.-T. and O'Brient, R. and Shirokoff, E. and Shiu, C. and Staniszewski, Z. and Uzgil, B. and Zemcov, M. (2016) Design and Fabrication of TES Detector Modules for the TIME-Pilot [CII] Intensity Mapping Experiment. Journal of Low Temperature Physics, 184 (3). pp. 733-738. ISSN 0022-2291. doi:10.1007/s10909-015-1359-x.

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We are developing a series of close-packed modular detector arrays for TIME-Pilot, a new mm-wavelength grating spectrometer array that will map the intensity fluctuations of the redshifted 157.7 μm emission line of singly ionized carbon ([CII]) from redshift z∼5 to 9. TIME-Pilot’s two banks of 16 parallel-plate waveguide spectrometers (one bank per polarization) will have a spectral range of 183–326 GHz and a resolving power of R∼100. The spectrometers use a curved diffraction grating to disperse and focus the light on a series of output arcs, each sampled by 60 transition edge sensor (TES) bolometers with gold micro-mesh absorbers. These low-noise detectors will be operated from a 250 mK base temperature and are designed to have a background-limited NEP of ∼10^(−17) W/Hz^(1/2). This proceeding presents an overview of the detector design in the context of the TIME-Pilot instrument. Additionally, a prototype detector module produced at the Microdevices Laboratory at JPL is shown.

Item Type:Article
Related URLs:
URLURL TypeDescription
Hunacek, J. R.0000-0001-7066-226X
Bock, J.0000-0002-5710-5212
Bradford, C. M.0000-0001-5261-7094
Cheng, Y.-T.0000-0002-5437-0504
Cooray, A.0000-0002-3892-0190
Hailey-Dunsheath, S.0000-0002-8504-7988
Koch, P.0000-0003-2777-5861
Uzgil, B.0000-0001-8526-3464
Zemcov, M.0000-0001-8253-1451
Additional Information:© 2015 Springer. Received: 13 September 2015 / Accepted: 30 October 2015. This material is based upon work supported by the National Science Foundation Graduate Research Fellowship under Grant No. DGE1144469.
Funding AgencyGrant Number
NSF Graduate Research FellowshipDGE-1144469
Subject Keywords:Reionization, Intensity mapping, Bolometers, Transition edge sensors
Issue or Number:3
Record Number:CaltechAUTHORS:20151124-115155769
Persistent URL:
Official Citation:Hunacek, J., Bock, J., Bradford, C.M. et al. J Low Temp Phys (2016) 184: 733. doi:10.1007/s10909-015-1359-x
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62378
Deposited By: George Porter
Deposited On:24 Nov 2015 20:41
Last Modified:10 Nov 2021 23:01

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