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Mesa structured photoconductive antennas for 1.5 µm: All-fibre THz-TDS spectroscopy beyond 4 THz

 
: Dietz, R.J.B.; Roehle, H.; Stanze, D.; Montanaro, V.; Hensel, H.J.; Schell, M.; Sartorius, B.

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Institute of Electrical and Electronics Engineers -IEEE-:
35th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2010 : 5-10 Sept. 2010, Rome, Italy
Piscataway/NJ: IEEE, 2010
ISBN: 978-1-4244-6655-9
ISBN: 978-1-4244-6657-3 (print)
3 pp.
International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) <35, 2010, Rome>
English
Conference Paper
Fraunhofer HHI ()

Abstract
Photoconductive antennas (PCAs) based on InGaAs/InAlAs for operation at 1.5 m are improved by employing special structuring techniques, i.e. mesa etching. The detected THz amplitude is increased by a factor of over 27. The spectra show a significantly increased bandwidth exceeding 4 THz.

: http://publica.fraunhofer.de/documents/N-169533.html