Journal of Low Temperature Physics

, Volume 184, Issue 3–4, pp 733–738 | Cite as

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

  • J. Hunacek
  • J. Bock
  • C. M. Bradford
  • B. Bumble
  • T.-C. Chang
  • Y.-T. Cheng
  • A. Cooray
  • A. Crites
  • S. Hailey-Dunsheath
  • Y. Gong
  • M. Kenyon
  • P. Koch
  • C.-T. Li
  • R. O’Brient
  • E. Shirokoff
  • C. Shiu
  • Z. Staniszewski
  • B. Uzgil
  • M. Zemcov
Article
  • 97 Downloads

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 \(z \sim 5\) 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 \(R \sim 100\). 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 \({\sim }10^{-17}~ \mathrm {W}/\mathrm {Hz}^{1/2}\). 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.

Keywords

Reionization Intensity mapping Bolometers Transition edge sensors 

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • J. Hunacek
    • 1
  • J. Bock
    • 1
    • 2
  • C. M. Bradford
    • 1
    • 2
  • B. Bumble
    • 2
  • T.-C. Chang
    • 3
  • Y.-T. Cheng
    • 1
  • A. Cooray
    • 4
  • A. Crites
    • 1
  • S. Hailey-Dunsheath
    • 1
  • Y. Gong
    • 7
  • M. Kenyon
    • 2
  • P. Koch
    • 3
  • C.-T. Li
    • 3
  • R. O’Brient
    • 1
    • 2
  • E. Shirokoff
    • 5
  • C. Shiu
    • 1
  • Z. Staniszewski
    • 2
  • B. Uzgil
    • 6
  • M. Zemcov
    • 8
  1. 1.California Institute of TechnologyPasadenaUSA
  2. 2.Jet Propulsion LaboratoryPasadenaUSA
  3. 3.Academia Sinica Institute of Astronomy and AstrophysicsTaipeiTaiwan
  4. 4.University of California, IrvineIrvineUSA
  5. 5.University of ChicagoChicagoUSA
  6. 6.University of PennsylvaniaPhiladelphiaUSA
  7. 7.National Astronomical Observatories of ChinaBeijingChina
  8. 8.Rochester Institute of TechnologyRochesterUSA

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