Geodesic
Coherent terahertz emission from photoconductive antenna
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2011), pp. 55-59

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The presence of a resonant medium in the capacitor core essentially changes the character of THz radiation of photoconductive antenna. As a result the coherent radiation at the frequency of elementary excitation (LO phonon or plasmon) is obtained. Though the power of radiation slightly differs from that provided by a usual THz source, the energy of pulse is significantly greater due to longer duration of the pulse. Besides, such a method of THz pulse generation is very useful for THz emission spectroscopy of many materials.
Mots-clés : THz, antenna, radiowave sources. 
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S. B. Hovsepyan. Coherent terahertz emission from photoconductive antenna. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2011), pp. 55-59. http://geodesic.mathdoc.fr/item/UZERU_2011_1_a9/