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Terahertz imaging with bow-tie InGaAs-based diode with broken symmetry

 
: Kasalynas, I.; Seliuta, D.; Simniskis, R.; Tamosiunas, V.; Köhler, K.; Valusis, G.

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Electronics Letters 45 (2009), Nr.16, S.833-835
ISSN: 0013-5194
Englisch
Zeitschriftenaufsatz
Fraunhofer IAF ()

Abstract
A silicon-lens coupled bow-tie InGaAs-based diode with broken symmetry is demonstrated for terahertz imaging applications below 1 THz at room temperature. Transient features and the dynamic range of the bow-tie InGaAs-based sensor are explored experimentally, proving the possibility to use the device in real-time imaging systems. Response time is found to be less than 7 ns, responsivity of 0.1 mA/W, and noise equivalent power of 5.8 nW/pHz.

: http://publica.fraunhofer.de/dokumente/N-103746.html