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Heterodyne Spectroscopy with a 225 - 255 GHz SiGe BiCMOS Receiver for Space Applications

Glück, Alexandra and Schmalz, Klaus and Rothbart, Nick and Hübers, Heinz-Wilhelm (2021) Heterodyne Spectroscopy with a 225 - 255 GHz SiGe BiCMOS Receiver for Space Applications. 46th International Conference on Infrared, Millimeter, and Terahertz Waves 2021, 29. Aug. - 03. Sept. 2021, Chengdu, China.

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Abstract

Molecular spectroscopy of gases is an important method for various applications on Earth and in space. In the millimeter-wave / terahertz range, many molecules have rotational transitions and are distinguishable by their spectral fingerprint. We analyze the performance of a heterodyne receiver fabricated in SiGe BiCMOS technology, which operates at room temperature and is tunable from 225 GHz to 255 GHz. At 241 GHz, the double sideband noise temperature of the receiver is approximately 20,000 K at 1.5 GHz intermediate frequency and the Allan time is 1 s. First heterodyne measurements of methanol emission lines were successfully performed in laboratory experiments.

Item URL in elib:https://elib.dlr.de/143734/
Document Type:Conference or Workshop Item (Speech)
Title:Heterodyne Spectroscopy with a 225 - 255 GHz SiGe BiCMOS Receiver for Space Applications
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Glück, AlexandraAlexandra.Glueck (at) dlr.deUNSPECIFIED
Schmalz, KlausIHP - Leibniz-Institut für innovative Mikroelektronik, Frankfurt (Oder)UNSPECIFIED
Rothbart, NickNick.Rothbart (at) dlr.deUNSPECIFIED
Hübers, Heinz-WilhelmHeinz-Wilhelm.Huebers (at) dlr.deUNSPECIFIED
Date:2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Accepted
Keywords:terahertz, millimeter-wave, molecular spectroscopy, SiGe BiCMOS
Event Title:46th International Conference on Infrared, Millimeter, and Terahertz Waves 2021
Event Location:Chengdu, China
Event Type:international Conference
Event Dates:29. Aug. - 03. Sept. 2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Detectors for optical instruments
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems > Terahertz and Laser Spectroscopy
Deposited By: Glück, Alexandra
Deposited On:08 Sep 2021 11:56
Last Modified:08 Sep 2021 11:56

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