Antenna-Coupled Bolometer Arrays for Measurement of the Cosmic Microwave Background Polarization
| Autor: | Paul L. Richards, Roger O'Brient, X. Meng, Kam Arnold, Peter A. R. Ade, G. Engargiola, M. J. Myers, W. L. Holzapfel, Helmuth Spieler, Adrian T. Lee, Huan Tran |
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| Rok vydání: | 2008 |
| Předmět: |
Physics
Pixel Physics::Instrumentation and Detectors business.industry Bolometer Detector Cosmic microwave background Astrophysics::Instrumentation and Methods for Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics Condensed Matter Physics Polarization (waves) Atomic and Molecular Physics and Optics Microstrip law.invention Optics law Optoelectronics General Materials Science Dipole antenna Transition edge sensor business |
| Zdroj: | Journal of Low Temperature Physics. 151:464-470 |
| ISSN: | 1573-7357 0022-2291 |
| Popis: | We are building antenna-coupled Transition Edge Sensor bolometer arrays to measure the polarization of the cosmic microwave background. 217 GHz prototype pixels have previously been characterized and showed promising performance (Myers et al. in Appl. Phys. Lett. 86:114103, [2005]). Our design uses a double slot dipole antenna and an integrated microstrip band defining filter. New devices have been tested which include on-chip test structures to improve our understanding of detector performance and guide future development. In parallel with this, large arrays of bolometers based on the prototype pixel design have also been constructed. The array pixels are a heterogeneous mixture of single band pixels at 90 GHz, 150 GHz, and 220 GHz and now incorporate dual-polarization antennas (Chattopadhyay and Zmuidzinas in IEEE Trans. Antennas Propag. 46:736, [1998]). Preliminary results from optical testing of array pixels are presented. These bolometer arrays will be used in the upcoming CMB polarization experiment Polarbear. |
| Databáze: | OpenAIRE |
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