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 - 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/Territory	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

Access to Document

10.1117/12.686058

Cite this

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 Article 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 et al.
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

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AU - Blundell, Raymond

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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