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MMIC technology for spectroscopy applications

: Kallfass, I.; Tessmann, A.; Hülsmann, A.; Leuther, A.; Cetnar, J.S.; Noble, J.M.; Petkie, D.T.


Krapels, K.A. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Millimetre Wave and Terahertz Sensors and Technology III : 20-21 September 2010, Toulouse, France
Bellingham, WA: SPIE, 2010 (Proceedings of SPIE 7837)
ISBN: 978-0-8194-8355-3
Paper 783703
Conference "Millimetre Wave and Terahertz Sensors and Technology" <3, 2010, Toulouse>
Fraunhofer IAF ()
millimeter-wave monolithic integrated circuit; millimeter-wave spectroscopy; millimeter-wave sensing; millimeter-wave receiver; millimeter-wave transmitter

Millimeter-wave monolithic integrated circuit (MMIC) technology is now widely recognized as a key to many modern applications in safety and security, ranging from near and far-field imaging and sensing to non-invasive material inspection. In this paper, we apply our state-of-the-art MMIC technology to the analysis of gaseous media by spectroscopic techniques. The paper presents recent developments of amplifying and frequency-translating MMICs based on metamorphic HEMT technology and their application to the spectroscopic analysis of the frequency range from 250 to 330 GHz, including the important absorption line of water around 321 GHz.