Mair, Ulrich and Suttiwong, Nopporn and Wagner, Georg and Birk, Manfred and Richter, H. and Semenov, A.D. and Hübers, Heinz-Wilhelm and Murk, A. and Drakinskiy, V. and Cherednichenko, S. (2005) 1.8THz receiver development for the TELIS instrument. In: International Symposium on Space Terahertz Technology. International Symposium on Space Terahertz Technology, 2005-05-02 - 2005-05-04, Göteborg, Sweden,.
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A new state-of-the-art balloon borne three channel (500GHz, 625GHz, 1.8 THz) cryogenic heterodyne spectrometer will allow enhanced limb sounding of the Earth's atmosphere within the submillimeter and far-infrared spectral range. The instrument, called TELIS (TErahertz and submm LImb Sounder), is being developed by a consortium of major European institutes that includes the Space Research Organisation of the Netherlands (SRON), the Rutherford Appleton Laboratory (RAL) in the United Kingdom and the Deutschen Zentrum für Luft- und Raumfahrt (DLR) in Germany (lead institute). TELIS will utilise state-of-the-art superconducting heterodyne technology and is designed to be compact and lightweight, while providing broad spectral coverage, high spectral resolution and long flight duration. Target species are key atmospheric short-lived radicals such as OH, HO2, ClO, BrO together with stable constituents such as O3, HCl and HOCl. TELIS will consist of a common front end with a cassegrain based pointing telescope, common transfer optics and a digital autocorrelator spectrometer for each channel. One of the three receiver channels (developed by DLR) will focus on the measurement of the OH-triplett at 1.8 THz. Low noise NbN based Hot Electron Bolometers will be acting as heterodyne mixing elements. A Martin Puplett Interferometer designed for cryogenic operation in the cryostat is used to interfer signal- and LO radiation generated by a solid state based local oscillator unit. Recently athe laboratory DSB version of the TELIS heterodyne receiver (using a far infrad laser as preliminary LO source) has been set up and tested successfully. In this paper the current status of the THz-channel design and development in the framework of the TELIS project will be presented.
|Document Type:||Conference or Workshop Item (Poster)|
|Title:||1.8THz receiver development for the TELIS instrument|
|Journal or Publication Title:||International Symposium on Space Terahertz Technology|
|In ISI Web of Science:||No|
|Keywords:||Cryogenic terahertz heterodyne receiver, remote sensing, TELIS|
|Event Title:||International Symposium on Space Terahertz Technology|
|Event Location:||Göteborg, Sweden,|
|Event Type:||international Conference|
|Event Dates:||2005-05-02 - 2005-05-04|
|HGF - Research field:||Aeronautics, Space and Transport (old)|
|HGF - Program:||Space (old)|
|HGF - Program Themes:||W EO - Erdbeobachtung|
|DLR - Research area:||Space|
|DLR - Program:||W EO - Erdbeobachtung|
|DLR - Research theme (Project):||W - Projekt TELIS (old)|
|Institutes and Institutions:||Institute of Planetary Research > Terahertz and Infrared Sensors|
Remote Sensing Technology Institute > Experimental Methods
|Deposited By:||Dr.rer.nat. Georg Wagner|
|Deposited On:||18 Nov 2005|
|Last Modified:||27 Apr 2009 04:41|
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