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Title:
Design and Fabrication of TES Detector Modules for the TIME-Pilot [CII] Intensity Mapping Experiment
Authors:
Hunacek, J.; Bock, J.; Bradford, C. M.; Bumble, B.; Chang, T.-C.; Cheng, Y.-T.; Cooray, A.; Crites, A.; Hailey-Dunsheath, S.; Gong, Y.; Kenyon, M.; Koch, P.; Li, C.-T.; O'Brient, R.; Shirokoff, E.; Shiu, C.; Staniszewski, Z.; Uzgil, B.; Zemcov, M.
Affiliation:
AA(California Institute of Technology, Pasadena, USA), AB(California Institute of Technology, Pasadena, USA; Jet Propulsion Laboratory, Pasadena, USA), AC(California Institute of Technology, Pasadena, USA; Jet Propulsion Laboratory, Pasadena, USA), AD(Jet Propulsion Laboratory, Pasadena, USA), AE(Academia Sinica Institute of Astronomy and Astrophysics, Taipei, Taiwan), AF(California Institute of Technology, Pasadena, USA), AG(University of California, Irvine, Irvine, USA), AH(California Institute of Technology, Pasadena, USA), AI(California Institute of Technology, Pasadena, USA), AJ(National Astronomical Observatories of China, Beijing, China), AK(Jet Propulsion Laboratory, Pasadena, USA), AL(Academia Sinica Institute of Astronomy and Astrophysics, Taipei, Taiwan), AM(Academia Sinica Institute of Astronomy and Astrophysics, Taipei, Taiwan), AN(California Institute of Technology, Pasadena, USA; Jet Propulsion Laboratory, Pasadena, USA), AO(University of Chicago, Chicago, USA), AP(California Institute of Technology, Pasadena, USA), AQ(Jet Propulsion Laboratory, Pasadena, USA), AR(University of Pennsylvania, Philadelphia, USA), AS(Rochester Institute of Technology, Rochester, USA)
Publication:
Journal of Low Temperature Physics, Volume 184, Issue 3-4, pp. 733-738 (JLTP Homepage)
Publication Date:
08/2016
Origin:
SPRINGER
Keywords:
Reionization, Intensity mapping, Bolometers, Transition edge sensors
Abstract Copyright:
(c) 2016: Springer Science+Business Media New York
DOI:
10.1007/s10909-015-1359-x
Bibliographic Code:
2016JLTP..184..733H

Abstract

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 \upmu m 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} mathrm {W}/mathrm {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.
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