Novel Calibration System with Sparse Wires for CMB Polarization Receivers
Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Tajima, O. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2012 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media, LLC 2012 |
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| Übergeordnetes Werk: |
Enthalten in: Journal of low temperature physics - Springer US, 1969, 167(2012), 5-6 vom: 27. Jan., Seite 936-942 |
|---|---|
| Übergeordnetes Werk: |
volume:167 ; year:2012 ; number:5-6 ; day:27 ; month:01 ; pages:936-942 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10909-012-0545-3 |
|---|
| Katalog-ID: |
OLC203681686X |
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| 520 | |a Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. | ||
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| 700 | 1 | |a Buder, I. |4 aut | |
| 700 | 1 | |a Kusaka, A. |4 aut | |
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10.1007/s10909-012-0545-3 doi (DE-627)OLC203681686X (DE-He213)s10909-012-0545-3-p DE-627 ger DE-627 rakwb eng 530 VZ Tajima, O. verfasserin aut Novel Calibration System with Sparse Wires for CMB Polarization Receivers 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. CMB Polarization Calibration Nguyen, H. aut Bischoff, C. aut Brizius, A. aut Buder, I. aut Kusaka, A. aut Enthalten in Journal of low temperature physics Springer US, 1969 167(2012), 5-6 vom: 27. Jan., Seite 936-942 (DE-627)129546267 (DE-600)218311-0 (DE-576)014996642 0022-2291 nnns volume:167 year:2012 number:5-6 day:27 month:01 pages:936-942 https://doi.org/10.1007/s10909-012-0545-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2185 GBV_ILN_4036 GBV_ILN_4126 GBV_ILN_4323 AR 167 2012 5-6 27 01 936-942 |
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10.1007/s10909-012-0545-3 doi (DE-627)OLC203681686X (DE-He213)s10909-012-0545-3-p DE-627 ger DE-627 rakwb eng 530 VZ Tajima, O. verfasserin aut Novel Calibration System with Sparse Wires for CMB Polarization Receivers 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. CMB Polarization Calibration Nguyen, H. aut Bischoff, C. aut Brizius, A. aut Buder, I. aut Kusaka, A. aut Enthalten in Journal of low temperature physics Springer US, 1969 167(2012), 5-6 vom: 27. Jan., Seite 936-942 (DE-627)129546267 (DE-600)218311-0 (DE-576)014996642 0022-2291 nnns volume:167 year:2012 number:5-6 day:27 month:01 pages:936-942 https://doi.org/10.1007/s10909-012-0545-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2185 GBV_ILN_4036 GBV_ILN_4126 GBV_ILN_4323 AR 167 2012 5-6 27 01 936-942 |
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10.1007/s10909-012-0545-3 doi (DE-627)OLC203681686X (DE-He213)s10909-012-0545-3-p DE-627 ger DE-627 rakwb eng 530 VZ Tajima, O. verfasserin aut Novel Calibration System with Sparse Wires for CMB Polarization Receivers 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. CMB Polarization Calibration Nguyen, H. aut Bischoff, C. aut Brizius, A. aut Buder, I. aut Kusaka, A. aut Enthalten in Journal of low temperature physics Springer US, 1969 167(2012), 5-6 vom: 27. Jan., Seite 936-942 (DE-627)129546267 (DE-600)218311-0 (DE-576)014996642 0022-2291 nnns volume:167 year:2012 number:5-6 day:27 month:01 pages:936-942 https://doi.org/10.1007/s10909-012-0545-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2185 GBV_ILN_4036 GBV_ILN_4126 GBV_ILN_4323 AR 167 2012 5-6 27 01 936-942 |
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10.1007/s10909-012-0545-3 doi (DE-627)OLC203681686X (DE-He213)s10909-012-0545-3-p DE-627 ger DE-627 rakwb eng 530 VZ Tajima, O. verfasserin aut Novel Calibration System with Sparse Wires for CMB Polarization Receivers 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. CMB Polarization Calibration Nguyen, H. aut Bischoff, C. aut Brizius, A. aut Buder, I. aut Kusaka, A. aut Enthalten in Journal of low temperature physics Springer US, 1969 167(2012), 5-6 vom: 27. Jan., Seite 936-942 (DE-627)129546267 (DE-600)218311-0 (DE-576)014996642 0022-2291 nnns volume:167 year:2012 number:5-6 day:27 month:01 pages:936-942 https://doi.org/10.1007/s10909-012-0545-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2185 GBV_ILN_4036 GBV_ILN_4126 GBV_ILN_4323 AR 167 2012 5-6 27 01 936-942 |
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10.1007/s10909-012-0545-3 doi (DE-627)OLC203681686X (DE-He213)s10909-012-0545-3-p DE-627 ger DE-627 rakwb eng 530 VZ Tajima, O. verfasserin aut Novel Calibration System with Sparse Wires for CMB Polarization Receivers 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC 2012 Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. CMB Polarization Calibration Nguyen, H. aut Bischoff, C. aut Brizius, A. aut Buder, I. aut Kusaka, A. aut Enthalten in Journal of low temperature physics Springer US, 1969 167(2012), 5-6 vom: 27. Jan., Seite 936-942 (DE-627)129546267 (DE-600)218311-0 (DE-576)014996642 0022-2291 nnns volume:167 year:2012 number:5-6 day:27 month:01 pages:936-942 https://doi.org/10.1007/s10909-012-0545-3 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_170 GBV_ILN_2005 GBV_ILN_2185 GBV_ILN_4036 GBV_ILN_4126 GBV_ILN_4323 AR 167 2012 5-6 27 01 936-942 |
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Journal of low temperature physics |
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Journal of low temperature physics |
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eng |
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500 - Science |
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2012 |
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936 |
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Tajima, O. Nguyen, H. Bischoff, C. Brizius, A. Buder, I. Kusaka, A. |
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167 |
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530 VZ |
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Aufsätze |
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Tajima, O. |
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10.1007/s10909-012-0545-3 |
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530 |
| title_sort |
novel calibration system with sparse wires for cmb polarization receivers |
| title_auth |
Novel Calibration System with Sparse Wires for CMB Polarization Receivers |
| abstract |
Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. © Springer Science+Business Media, LLC 2012 |
| abstractGer |
Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. © Springer Science+Business Media, LLC 2012 |
| abstract_unstemmed |
Abstract A curl competent (also known as B-modes) in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate “simultaneously” all detectors on the large focal plane. We developed a novel calibration system that rotates a large “sparse” grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature photons from the wire surface. Since the detector has a finite beam size, the observed signal is convolved with the beam property. The intensity of the of the calibrator is reasonable (a few Kelvin or less) compared to sky temperature for typical observing conditions (∼10 K). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers. © Springer Science+Business Media, LLC 2012 |
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5-6 |
| title_short |
Novel Calibration System with Sparse Wires for CMB Polarization Receivers |
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https://doi.org/10.1007/s10909-012-0545-3 |
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false |
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Nguyen, H. Bischoff, C. Brizius, A. Buder, I. Kusaka, A. |
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Nguyen, H. Bischoff, C. Brizius, A. Buder, I. Kusaka, A. |
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| up_date |
2024-07-04T04:15:23.350Z |
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