Journal of Low Temperature Physics

, Volume 184, Issue 3–4, pp 724–732 | Cite as

First Polarised Light with the NIKA Camera

  • A. Ritacco
  • R. Adam
  • A. Adane
  • P. Ade
  • P. André
  • A. Beelen
  • B. Belier
  • A. Benoît
  • A. Bideaud
  • N. Billot
  • O. Bourrion
  • M. Calvo
  • A. Catalano
  • G. Coiffard
  • B. Comis
  • A. D’Addabbo
  • F.-X. Désert
  • S. Doyle
  • J. Goupy
  • C. Kramer
  • S. Leclercq
  • J. F. Macías-Pérez
  • J. Martino
  • P. Mauskopf
  • A. Maury
  • F. Mayet
  • A. Monfardini
  • F. Pajot
  • E. Pascale
  • L. Perotto
  • G. Pisano
  • N. Ponthieu
  • M. Rebolo-Iglesias
  • V. Revéret
  • L. Rodriguez
  • G. Savini
  • K. Schuster
  • A. Sievers
  • C. Thum
  • S. Triqueneaux
  • C. Tucker
  • R. Zylka
Article

Abstract

NIKA is a dual-band camera operating with 315 frequency multiplexed LEKIDs cooled at 100 mK. NIKA is designed to observe the sky in intensity and polarisation at 150 and 260 GHz from the IRAM 30-m telescope. It is a test-bench for the final NIKA2 camera. The incoming linear polarisation is modulated at four times the mechanical rotation frequency by a warm rotating multi-layer half- wave plate. Then, the signal is analyzed by a wire grid and finally absorbed by the lumped element kinetic inductance detectors (LEKIDs). The small time constant (\(<\)1 ms ) of the LEKIDs combined with the modulation of the HWP enables the quasi-simultaneous measurement of the three Stokes parameters I, Q, U, representing linear polarisation. In this paper, we present the results of recent observational campaigns demonstrating the good performance of NIKA in detecting polarisation at millimeter wavelength.

Keywords

Millimeter astronomy Polarisation KIDs NIKA 

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • A. Ritacco
    • 1
  • R. Adam
    • 1
  • A. Adane
    • 2
  • P. Ade
    • 3
  • P. André
    • 4
  • A. Beelen
    • 5
  • B. Belier
    • 6
  • A. Benoît
    • 7
  • A. Bideaud
    • 3
  • N. Billot
    • 8
  • O. Bourrion
    • 1
  • M. Calvo
    • 7
  • A. Catalano
    • 1
  • G. Coiffard
    • 2
  • B. Comis
    • 1
  • A. D’Addabbo
    • 7
    • 9
  • F.-X. Désert
    • 10
  • S. Doyle
    • 3
  • J. Goupy
    • 7
  • C. Kramer
    • 8
  • S. Leclercq
    • 2
  • J. F. Macías-Pérez
    • 1
  • J. Martino
    • 5
  • P. Mauskopf
    • 3
    • 12
  • A. Maury
    • 4
  • F. Mayet
    • 1
  • A. Monfardini
    • 7
  • F. Pajot
    • 5
  • E. Pascale
    • 3
  • L. Perotto
    • 1
  • G. Pisano
    • 3
  • N. Ponthieu
    • 10
  • M. Rebolo-Iglesias
    • 1
  • V. Revéret
    • 4
  • L. Rodriguez
    • 4
  • G. Savini
    • 11
  • K. Schuster
    • 2
  • A. Sievers
    • 8
  • C. Thum
    • 2
  • S. Triqueneaux
    • 7
  • C. Tucker
    • 3
  • R. Zylka
    • 2
  1. 1.LPSC, Université Grenoble-Alpes, CNRS/IN2P3GrenobleFrance
  2. 2.Institut de RadioAstronomie Millimétrique (IRAM)GrenobleFrance
  3. 3.Astronomy Instrumentation GroupUniversity of CardiffCardiffUK
  4. 4.Laboratoire AIM, CEA/IRFU, CNRS/INSU, Université Paris DiderotGif-Sur-YvetteFrance
  5. 5.Institut d’Astrophysique Spatiale (IAS), CNRS and Université Paris SudOrsayFrance
  6. 6.Institut d’Electronique Fondamentale (IEF), Université Paris SudOrsayFrance
  7. 7.Institut Néel, CNRS and Université de GrenobleGrenobleFrance
  8. 8.Institut de RadioAstronomie Millimétrique (IRAM)GranadaSpain
  9. 9.Dipartimento di Fisica, La Sapienza Università di RomaRomeItaly
  10. 10.IPAG, CNRS and Université de GrenobleGrenobleFrance
  11. 11.Department of Physics and AstronomyUniversity College LondonLondonUK
  12. 12.School of Earth and Space Exploration, Department of PhysicsArizona State UniversityTempeUSA

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