Planar polarimetry receivers for large imaging arrays at Q-band

Pekka Kangaslahti; Todd Gaier; Michael Seiffert; Sander Weinreb; Dennis Harding; Douglas Dawson; Mary Soria; Charles Lawrence; Benjamin Hooberman; Amber Miller

doi:10.1109/MWSYM.2006.249935

Planar polarimetry receivers for large imaging arrays at Q-band

Pekka Kangaslahti, Todd Gaier, Michael Seiffert, Sander Weinreb, Dennis Harding, Douglas Dawson, Mary Soria, Charles Lawrence, Benjamin Hooberman, Amber Miller

Research output: Contribution to journal › Conference article › peer-review

Abstract

The characterization of the intensity fluctuations of the Cosmic Microwave Background (CMB) will be followed by the mapping of the polarization fluctuations of the CMB. Measurement of the polarization fluctuations requires highly sensitive instruments that are only possible by increasing the number of receivers. We are developing a large receiver array for the Q, U Imaging Experiment (QUIET) by building individual receivers that have noise temperatures close to the physical limit and that are simple, and low cost to build and operate. We developed these planar polarimetry receivers for Q-band by designing InP MMIC amplifiers with noise below 20 K, low loss and highly balanced phase switches and an entirely planar hybrid thin film circuit for the detection of the Stokes parameters Q and U. Our receivers achieve 25 K noise temperature over 8 GHz bandwidth and provide the I, Q and U parameters simultaneously. These planar modules have a simple plug in architecture that enables automated production of a large number of receivers and simple integration of large arrays of receivers.

Original language	English (US)
Article number	4014826
Pages (from-to)	89-92
Number of pages	4
Journal	IEEE MTT-S International Microwave Symposium Digest
DOIs	https://doi.org/10.1109/MWSYM.2006.249935
State	Published - 2006
Externally published	Yes
Event	2006 IEEE MTT-S International Microwave Symposium Digest - San Francisco, CA, United States Duration: Jun 11 2006 → Jun 16 2006

Keywords

Cosmic Microwave Background (CMB)
MMICs
Millimeter wave imaging
Millimeter wave phase shifters
Millimeter wave radiometry
Polarimetry

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Online availability

10.1109/MWSYM.2006.249935

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title = "Planar polarimetry receivers for large imaging arrays at Q-band",

abstract = "The characterization of the intensity fluctuations of the Cosmic Microwave Background (CMB) will be followed by the mapping of the polarization fluctuations of the CMB. Measurement of the polarization fluctuations requires highly sensitive instruments that are only possible by increasing the number of receivers. We are developing a large receiver array for the Q, U Imaging Experiment (QUIET) by building individual receivers that have noise temperatures close to the physical limit and that are simple, and low cost to build and operate. We developed these planar polarimetry receivers for Q-band by designing InP MMIC amplifiers with noise below 20 K, low loss and highly balanced phase switches and an entirely planar hybrid thin film circuit for the detection of the Stokes parameters Q and U. Our receivers achieve 25 K noise temperature over 8 GHz bandwidth and provide the I, Q and U parameters simultaneously. These planar modules have a simple plug in architecture that enables automated production of a large number of receivers and simple integration of large arrays of receivers.",

keywords = "Cosmic Microwave Background (CMB), MMICs, Millimeter wave imaging, Millimeter wave phase shifters, Millimeter wave radiometry, Polarimetry",

author = "Pekka Kangaslahti and Todd Gaier and Michael Seiffert and Sander Weinreb and Dennis Harding and Douglas Dawson and Mary Soria and Charles Lawrence and Benjamin Hooberman and Amber Miller",

year = "2006",

doi = "10.1109/MWSYM.2006.249935",

language = "English (US)",

pages = "89--92",

journal = "IEEE MTT-S International Microwave Symposium Digest",

issn = "0149-645X",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

note = "2006 IEEE MTT-S International Microwave Symposium Digest ; Conference date: 11-06-2006 Through 16-06-2006",

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T1 - Planar polarimetry receivers for large imaging arrays at Q-band

AU - Kangaslahti, Pekka

AU - Gaier, Todd

AU - Seiffert, Michael

AU - Weinreb, Sander

AU - Harding, Dennis

AU - Dawson, Douglas

AU - Soria, Mary

AU - Lawrence, Charles

AU - Hooberman, Benjamin

AU - Miller, Amber

PY - 2006

Y1 - 2006

N2 - The characterization of the intensity fluctuations of the Cosmic Microwave Background (CMB) will be followed by the mapping of the polarization fluctuations of the CMB. Measurement of the polarization fluctuations requires highly sensitive instruments that are only possible by increasing the number of receivers. We are developing a large receiver array for the Q, U Imaging Experiment (QUIET) by building individual receivers that have noise temperatures close to the physical limit and that are simple, and low cost to build and operate. We developed these planar polarimetry receivers for Q-band by designing InP MMIC amplifiers with noise below 20 K, low loss and highly balanced phase switches and an entirely planar hybrid thin film circuit for the detection of the Stokes parameters Q and U. Our receivers achieve 25 K noise temperature over 8 GHz bandwidth and provide the I, Q and U parameters simultaneously. These planar modules have a simple plug in architecture that enables automated production of a large number of receivers and simple integration of large arrays of receivers.

AB - The characterization of the intensity fluctuations of the Cosmic Microwave Background (CMB) will be followed by the mapping of the polarization fluctuations of the CMB. Measurement of the polarization fluctuations requires highly sensitive instruments that are only possible by increasing the number of receivers. We are developing a large receiver array for the Q, U Imaging Experiment (QUIET) by building individual receivers that have noise temperatures close to the physical limit and that are simple, and low cost to build and operate. We developed these planar polarimetry receivers for Q-band by designing InP MMIC amplifiers with noise below 20 K, low loss and highly balanced phase switches and an entirely planar hybrid thin film circuit for the detection of the Stokes parameters Q and U. Our receivers achieve 25 K noise temperature over 8 GHz bandwidth and provide the I, Q and U parameters simultaneously. These planar modules have a simple plug in architecture that enables automated production of a large number of receivers and simple integration of large arrays of receivers.

KW - Cosmic Microwave Background (CMB)

KW - MMICs

KW - Millimeter wave imaging

KW - Millimeter wave phase shifters

KW - Millimeter wave radiometry

KW - Polarimetry

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EP - 92

JO - IEEE MTT-S International Microwave Symposium Digest

JF - IEEE MTT-S International Microwave Symposium Digest

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ER -

Planar polarimetry receivers for large imaging arrays at Q-band

Abstract

Keywords

ASJC Scopus subject areas

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