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Optimum excitation conditions for the generation of high-electric-field terahertz radiation from an oscillator-driven photoconductive device

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Optimum_excitation_conditions_for_the_generation.pdf
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2006

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Dreyhaupt, Andre
Winnerl, Stephan
Helm, Manfred

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-45507
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https://doi.org/10.1364/OL.31.001546
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Optics Letters. 2006, 31(10), pp. 1546-1548. Available under: doi: 10.1364/OL.31.001546

Zusammenfassung

We report the impulsive generation of terahertz (THz) radiation with a field amplitude of more than 1.5 kV/cm at megahertz repetition rates, using an interdigitated photoconducting device. The approach provides an average THz power of 190 μW, corresponding to an optical-to-THz conversion efficiency of 2.5×10−4. Optimum conditions are achieved when the excitation spot size is of the order of the THz wavelength.

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ISO 690DREYHAUPT, Andre, Stephan WINNERL, Manfred HELM, Thomas DEKORSY, 2006. Optimum excitation conditions for the generation of high-electric-field terahertz radiation from an oscillator-driven photoconductive device. In: Optics Letters. 2006, 31(10), pp. 1546-1548. Available under: doi: 10.1364/OL.31.001546
BibTex
@article{Dreyhaupt2006Optim-8883,
  year={2006},
  doi={10.1364/OL.31.001546},
  title={Optimum excitation conditions for the generation of high-electric-field terahertz radiation from an oscillator-driven photoconductive device},
  number={10},
  volume={31},
  journal={Optics Letters},
  pages={1546--1548},
  author={Dreyhaupt, Andre and Winnerl, Stephan and Helm, Manfred and Dekorsy, Thomas}
}
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