A 1.5 THz hot electron bolometer receiver for ground-based Terahertz astronomy in Northern Chile

C. Y.Edward Tong; Jonathan Kawamura; Daniel Marrone; Denis Loudkov; Scott Paine; Raymond Blundell; Claudio Barrientos; Daniel Lühr

doi:10.1117/12.686058

A 1.5 THz hot electron bolometer receiver for ground-based Terahertz astronomy in Northern Chile

C. Y.Edward Tong, Jonathan Kawamura, Daniel Marrone, Denis Loudkov, Scott Paine, Raymond Blundell, Claudio Barrientos, Daniel Lühr

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Scopus citations

Abstract

A 1.5 THz superconducting receiver has been in operation at the Receiver Lab Telescope of the Smithsonian Astrophysical Observatory in Northern Chile since December 2004. This receiver incorporates a Hot Electron Bolometer (HEB) mixer chip made from a thin film of Niobium Titanium Nitride (NbTiN), which is mounted in a precision-machined waveguide mixer block attached to a corrugated waveguide horn assembly. With a noise temperature of around 1500 K, this receiver is sensitive enough for use in the pioneering field of ground-based terahertz spectral-line astronomy. A number of innovative techniques have been employed in the construction and deployment of this receiver. These include near-field vector beam mapping to enable accurate coupling to the telescope optics, the use of tunerless planar-diode based local oscillator unit capable of generating a few μW at 1.5 THz, and special calibration techniques required for terahertz astronomy. In this paper, we will report on the design, set-up and operation of this state-of-the-art instrument.

Original language	English (US)
Title of host publication	Terahertz Physics, Devices, and Systems
DOIs	https://doi.org/10.1117/12.686058
State	Published - Dec 1 2006
Externally published	Yes
Event	Terahertz Physics, Devices, and Systems - Boston, MA, United States Duration: Oct 2 2006 → Oct 4 2006

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	6373
ISSN (Print)	0277-786X

Other

Other	Terahertz Physics, Devices, and Systems
Country	United States
City	Boston, MA
Period	10/2/06 → 10/4/06

Keywords

Hot Electron Bolometer mixer
Terahertz astronomy
Terahertz receiver

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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Tong, C. Y. E., Kawamura, J., Marrone, D., Loudkov, D., Paine, S., Blundell, R., Barrientos, C., & Lühr, D. (2006). A 1.5 THz hot electron bolometer receiver for ground-based Terahertz astronomy in Northern Chile. In Terahertz Physics, Devices, and Systems [63730U] (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6373). https://doi.org/10.1117/12.686058

A 1.5 THz hot electron bolometer receiver for ground-based Terahertz astronomy in Northern Chile. / Tong, C. Y.Edward; Kawamura, Jonathan; Marrone, Daniel; Loudkov, Denis; Paine, Scott; Blundell, Raymond; Barrientos, Claudio; Lühr, Daniel.

Terahertz Physics, Devices, and Systems. 2006. 63730U (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 6373).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tong, CYE, Kawamura, J, Marrone, D, Loudkov, D, Paine, S, Blundell, R, Barrientos, C & Lühr, D 2006, A 1.5 THz hot electron bolometer receiver for ground-based Terahertz astronomy in Northern Chile. in Terahertz Physics, Devices, and Systems., 63730U, Proceedings of SPIE - The International Society for Optical Engineering, vol. 6373, Terahertz Physics, Devices, and Systems, Boston, MA, United States, 10/2/06. https://doi.org/10.1117/12.686058

Tong, C. Y.Edward ; Kawamura, Jonathan ; Marrone, Daniel ; Loudkov, Denis ; Paine, Scott ; Blundell, Raymond ; Barrientos, Claudio ; Lühr, Daniel. / A 1.5 THz hot electron bolometer receiver for ground-based Terahertz astronomy in Northern Chile. Terahertz Physics, Devices, and Systems. 2006. (Proceedings of SPIE - The International Society for Optical Engineering).

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abstract = "A 1.5 THz superconducting receiver has been in operation at the Receiver Lab Telescope of the Smithsonian Astrophysical Observatory in Northern Chile since December 2004. This receiver incorporates a Hot Electron Bolometer (HEB) mixer chip made from a thin film of Niobium Titanium Nitride (NbTiN), which is mounted in a precision-machined waveguide mixer block attached to a corrugated waveguide horn assembly. With a noise temperature of around 1500 K, this receiver is sensitive enough for use in the pioneering field of ground-based terahertz spectral-line astronomy. A number of innovative techniques have been employed in the construction and deployment of this receiver. These include near-field vector beam mapping to enable accurate coupling to the telescope optics, the use of tunerless planar-diode based local oscillator unit capable of generating a few μW at 1.5 THz, and special calibration techniques required for terahertz astronomy. In this paper, we will report on the design, set-up and operation of this state-of-the-art instrument.",

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AU - Tong, C. Y.Edward

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AU - Paine, Scott

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AU - Barrientos, Claudio

AU - Lühr, Daniel

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N2 - A 1.5 THz superconducting receiver has been in operation at the Receiver Lab Telescope of the Smithsonian Astrophysical Observatory in Northern Chile since December 2004. This receiver incorporates a Hot Electron Bolometer (HEB) mixer chip made from a thin film of Niobium Titanium Nitride (NbTiN), which is mounted in a precision-machined waveguide mixer block attached to a corrugated waveguide horn assembly. With a noise temperature of around 1500 K, this receiver is sensitive enough for use in the pioneering field of ground-based terahertz spectral-line astronomy. A number of innovative techniques have been employed in the construction and deployment of this receiver. These include near-field vector beam mapping to enable accurate coupling to the telescope optics, the use of tunerless planar-diode based local oscillator unit capable of generating a few μW at 1.5 THz, and special calibration techniques required for terahertz astronomy. In this paper, we will report on the design, set-up and operation of this state-of-the-art instrument.

AB - A 1.5 THz superconducting receiver has been in operation at the Receiver Lab Telescope of the Smithsonian Astrophysical Observatory in Northern Chile since December 2004. This receiver incorporates a Hot Electron Bolometer (HEB) mixer chip made from a thin film of Niobium Titanium Nitride (NbTiN), which is mounted in a precision-machined waveguide mixer block attached to a corrugated waveguide horn assembly. With a noise temperature of around 1500 K, this receiver is sensitive enough for use in the pioneering field of ground-based terahertz spectral-line astronomy. A number of innovative techniques have been employed in the construction and deployment of this receiver. These include near-field vector beam mapping to enable accurate coupling to the telescope optics, the use of tunerless planar-diode based local oscillator unit capable of generating a few μW at 1.5 THz, and special calibration techniques required for terahertz astronomy. In this paper, we will report on the design, set-up and operation of this state-of-the-art instrument.

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A 1.5 THz hot electron bolometer receiver for ground-based Terahertz astronomy in Northern Chile

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Keywords

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