Journal
OPTICS LETTERS
Volume 39, Issue 22, Pages 6482-6485Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.39.006482
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- Zentrales Innovationsprogamm Mittelstand of the German Federal Ministry of Economic Affairs and Energy [KF2110318 AB1, KF2806204 AB1]
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We demonstrate a completely fiber-coupled terahertz (THz) time-domain spectrometer ( TDS) system based on electronically controlled optical sampling with two erbium-doped femtosecond fiber lasers at a central wavelength of 1560 nm. The system employs optimized InGaAs/InAlAs photoconductive antennas for THz generation and detection. With this system, we achieve measurement rates of up to 8 kHz and up to 180 ps scan range. We further achieve 2 THz spectral bandwidth and a dynamic range of 76 dB at only 500 ms measurement time. (C) 2014 Optical Society of America
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