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Heterodyne and spectroscopic room temperature terahertz imaging using InGaAs bow-tie diodes

 
: Valusis, G.; Minkevicius, L.; Kasalynas, I.; Venckevicius, R.; Seliuta, D.; Tamosiunas, V.; Lisauskas, A.; Boppel, S.; Roskos, H.G.; Köhler, K.

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Institute of Electrical and Electronics Engineers -IEEE-:
MIKON 2012, 19th International Conference on Microwave, Radar and Wireless Communications. Vol.1 : 21-23 May 2012, Warsaw/Poland
Piscataway/NJ: IEEE, 2012
ISBN: 978-1-4577-1435-1
S.105-107
International Conference on Microwave, Radar and Wireless Communications (MIKON) <19, 2012, Warsaw>
Englisch
Konferenzbeitrag
Fraunhofer IAF ()
teraherz imaging; InGaAs; bow-tie diodes; heterodyne detection

Abstract
Heterodyne and spectroscopic terahertz imaging using InGaAs bow-tie diodes are presented and discussed. The improvement of the dynamic range and noise equivalent power by heterodyning is demonstrated. It is shown that InGaAs-based bow-tie diodes are well suited for spectroscopic room temperature imaging within the range of 0.58-2.52 THz. The devices implementation in real-time imaging system is considered as well.

: http://publica.fraunhofer.de/dokumente/N-210047.html