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28 February 2006 Surface-emitted THz generation using a compact ultrashort pulse fiber amplifier at 1064 nm
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Abstract
Generation of InAs-surface-emitted terahertz radiation by application of an ultrashort pulse 1064 nm parabolic fiber amplifier source is reported for the first time. The fiber amplifier delivers 100 fs pulses at a repetition rate of 75 MHz and an average power of maximum 12 W. This new excitation laser for surface-emitters generates high brightness broadband THz radiation ranging from 100 GHz to over 2.5 THz. THz detection is demonstrated based on two-photon absorption at low-temperature-grown GaAs dipole receivers.
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Gabor Matthäus, Thomas Schreiber, Jens Limpert, Stefan Nolte, Garik Torosyan, René Beigang, Stefan Riehemann, Gunther Notni, and Andreas Tünnermann "Surface-emitted THz generation using a compact ultrashort pulse fiber amplifier at 1064 nm", Proc. SPIE 6108, Commercial and Biomedical Applications of Ultrafast Lasers VI, 610813 (28 February 2006); https://doi.org/10.1117/12.651022
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