Publica
Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten. Terahertz Receivers for Time-Domain Spectroscopy Made of Transition Metal Doped InGaAs: Up to 105 dB Dynamic Range
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Kohlhaas, R.B.; Globisch, B.; Breuer, S.; Nellen, S.; Liebermeister, L.; Schell, M.; Richter, P.; Koch, M.; Semtsiv, M.P.; Masselink, W.T. | Institute of Electrical and Electronics Engineers -IEEE-:
IRMMW-THz 2018, 43rd International Conference on Infrared, Millimeter, and Terahertz Waves : 9-14 September 2018, Nagoya Congress Center, Nagoya, Japan
Piscataway, NJ: IEEE, 2018
ISBN: 978-1-5386-3809-5
ISBN: 978-1-5386-3808-8
ISBN: 978-1-5386-3810-1
S.716-717 |
| International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) <43, 2018, Nagoya> |
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| Englisch |
| Konferenzbeitrag |
| Fraunhofer HHI () |
Abstract
Transition metal doped photoconductors are investigated as terahertz (THz) receivers in time-domain spectroscopy (TDS). Compared to state-of-the-art receivers based on low-temperature-grown InGaAs/lnAIAs, rhodium-doped InGaAs receivers allow for an improvement in dynamic range (DR) of 15 dB over the whole spectral range, resulting in a peak DR of 105 dB. This improvement increases the resolution in nondestructive testing applications of thin films with THz TDS.