Compact and cost-effective scheme for THz generation via optical rectification in GaP and GaAs using novel fs laser oscillators |
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| Authors: | J-P Negel R Hegenbarth A Steinmann B Metzger F Hoos H Giessen |
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| Institution: | (1) School of Science, Center for Teraheriz Research, Rensselaer polytechnic lnstitute, 110 8th Street, 12180 Troy, NY, USA;(2) IMRA America, Inc., 1044 Woodridge Avenue, 48105 Ann Arbor, MI, USA |
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| Abstract: | We demonstrate a compact and cost-effective setup to generate broadband THz radiation. As pump source we use a diode-pumped
solid-state femtosecond oscillator or a femtosecond fiber laser system, partially in combination with an optical parametric
oscillator. For the THz generation we utilize optical rectification in gallium phosphide (GaP) and gallium arsenide (GaAs).
The THz power is on the order of 1 μW and we demonstrate imaging and spectral measurements with this setup. |
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