Please use this identifier to cite or link to this item: http://localhost/handle/Hannan/638287
Title: First Supra-THz Heterodyne Array Receivers for Astronomy With the SOFIA Observatory
Authors: Christophe Risacher;Rolf Güsten;Jürgen Stutzki;Heinz-Wilhelm Hübers;Denis Büchel;Urs U. Graf;Stefan Heyminck;Cornelia E. Honingh;Karl Jacobs;Bernd Klein;Thomas Klein;Christian Leinz;Patrick Pütz;Nicolas Reyes;Oliver Rick
subject: HEB mixer|submillimeter-wave technology|superconducting devices|far-infrared astronomy|heterodyne|receivers|Cryogenics
Year: 2016
Publisher: IEEE
Abstract: We present the upGREAT THz heterodyne arrays for far-infrared astronomy. The low-frequency array (LFA) is designed to cover the 1.9-2.5 THz range using 2 × 7-pixel waveguide-based HEB mixer arrays in a dual polarization configuration. The high-frequency array (HFA) will perform observations of the [OI] line at ~ 4.745 THz using a 7-pixel waveguide- based HEB mixer array. This paper describes the common design for both arrays, cooled to 4.5 K using closed-cycle pulse tube technology. We then show the laboratory and telescope characterization of the first array with its 14 pixels (LFA), which culminated in the successful commissioning in May 2015 aboard the SOFIA airborne observatory observing the [CII] fine structure transition at 1.9005 THz. This is the first successful demonstration of astronomical observations with a heterodyne focal plane array above 1 THz and is also the first time high-power closed-cycle coolers for temperatures below 4.5 K are operated on an airborne platform.
URI: http://localhost/handle/Hannan/173553
http://localhost/handle/Hannan/638287
ISSN: 2156-342X
2156-3446
volume: 6
issue: 2
Appears in Collections:2016

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Title: First Supra-THz Heterodyne Array Receivers for Astronomy With the SOFIA Observatory
Authors: Christophe Risacher;Rolf Güsten;Jürgen Stutzki;Heinz-Wilhelm Hübers;Denis Büchel;Urs U. Graf;Stefan Heyminck;Cornelia E. Honingh;Karl Jacobs;Bernd Klein;Thomas Klein;Christian Leinz;Patrick Pütz;Nicolas Reyes;Oliver Rick
subject: HEB mixer|submillimeter-wave technology|superconducting devices|far-infrared astronomy|heterodyne|receivers|Cryogenics
Year: 2016
Publisher: IEEE
Abstract: We present the upGREAT THz heterodyne arrays for far-infrared astronomy. The low-frequency array (LFA) is designed to cover the 1.9-2.5 THz range using 2 × 7-pixel waveguide-based HEB mixer arrays in a dual polarization configuration. The high-frequency array (HFA) will perform observations of the [OI] line at ~ 4.745 THz using a 7-pixel waveguide- based HEB mixer array. This paper describes the common design for both arrays, cooled to 4.5 K using closed-cycle pulse tube technology. We then show the laboratory and telescope characterization of the first array with its 14 pixels (LFA), which culminated in the successful commissioning in May 2015 aboard the SOFIA airborne observatory observing the [CII] fine structure transition at 1.9005 THz. This is the first successful demonstration of astronomical observations with a heterodyne focal plane array above 1 THz and is also the first time high-power closed-cycle coolers for temperatures below 4.5 K are operated on an airborne platform.
URI: http://localhost/handle/Hannan/173553
http://localhost/handle/Hannan/638287
ISSN: 2156-342X
2156-3446
volume: 6
issue: 2
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
7366763.pdf3.03 MBAdobe PDFThumbnail
Preview File
Title: First Supra-THz Heterodyne Array Receivers for Astronomy With the SOFIA Observatory
Authors: Christophe Risacher;Rolf Güsten;Jürgen Stutzki;Heinz-Wilhelm Hübers;Denis Büchel;Urs U. Graf;Stefan Heyminck;Cornelia E. Honingh;Karl Jacobs;Bernd Klein;Thomas Klein;Christian Leinz;Patrick Pütz;Nicolas Reyes;Oliver Rick
subject: HEB mixer|submillimeter-wave technology|superconducting devices|far-infrared astronomy|heterodyne|receivers|Cryogenics
Year: 2016
Publisher: IEEE
Abstract: We present the upGREAT THz heterodyne arrays for far-infrared astronomy. The low-frequency array (LFA) is designed to cover the 1.9-2.5 THz range using 2 × 7-pixel waveguide-based HEB mixer arrays in a dual polarization configuration. The high-frequency array (HFA) will perform observations of the [OI] line at ~ 4.745 THz using a 7-pixel waveguide- based HEB mixer array. This paper describes the common design for both arrays, cooled to 4.5 K using closed-cycle pulse tube technology. We then show the laboratory and telescope characterization of the first array with its 14 pixels (LFA), which culminated in the successful commissioning in May 2015 aboard the SOFIA airborne observatory observing the [CII] fine structure transition at 1.9005 THz. This is the first successful demonstration of astronomical observations with a heterodyne focal plane array above 1 THz and is also the first time high-power closed-cycle coolers for temperatures below 4.5 K are operated on an airborne platform.
URI: http://localhost/handle/Hannan/173553
http://localhost/handle/Hannan/638287
ISSN: 2156-342X
2156-3446
volume: 6
issue: 2
Appears in Collections:2016

Files in This Item:
File Description SizeFormat 
7366763.pdf3.03 MBAdobe PDFThumbnail
Preview File