التفاصيل البيبلوغرافية
| العنوان: |
QUIET Coherent Polarimeter Modules |
| المؤلفون: |
Reeves, R., QUIET Collaboration |
| المصدر: |
Journal of Low Temperature Physics, 167(5-6), 929-935, (2012-06) |
| بيانات النشر: |
Springer |
| سنة النشر: |
2012 |
| المجموعة: |
Caltech Authors (California Institute of Technology) |
| مصطلحات موضوعية: |
CMB polarization, Coherent microwave receivers, Cryogenic amplifiers |
| الوصف: |
The Q/U Imaging ExperimenT (QUIET) consists of a pair of radiometer arrays designed to measure the B-mode polarization of the Cosmic Microwave Background (CMB) at 44 GHz (Q-band) and 95 GHz (W-band) with 19 and 90 modules at each frequency. The architecture of both arrays is based on miniaturized coherent polarimeters using High Electron Mobility Transistor (HEMT) chips for amplification; QUIET is the largest coherent microwave array ever fielded. We describe the detector technology used in Phase I of QUIET and our efforts to improve both the W-band module design and the fundamental performance of the HEMT amplifiers. These technology developments have wide application in the field of radio astronomy. ; © 2012 Springer Science+Business Media, LLC. Received: 31 July 2011; Accepted: 2 January 2012; Published online: 21 January 2012. |
| نوع الوثيقة: |
article in journal/newspaper |
| اللغة: |
unknown |
| Relation: |
eprintid:31778 |
| DOI: |
10.1007/s10909-012-0467-0 |
| الاتاحة: |
https://doi.org/10.1007/s10909-012-0467-0 |
| Rights: |
info:eu-repo/semantics/closedAccess ; Other |
| رقم الانضمام: |
edsbas.67828D7A |
| قاعدة البيانات: |
BASE |