COHERENT TERAHERTZ EMISSION FROM PHOTOCONDUCTIVE ANTENNA

S.B. Hovsepyan

doi:10.46991/PYSU:A/2011.45.1.055

COHERENT TERAHERTZ EMISSION FROM PHOTOCONDUCTIVE ANTENNA

Authors

S.B. Hovsepyan Chair of Ultra-high Frequency Radiophysics and Telecommunications, YSU, Armenia

DOI:

https://doi.org/10.46991/PYSU:A/2011.45.1.055

Keywords:

THz, antenna, radiowave sources

Abstract

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.

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Published

2011-02-16

How to Cite

Hovsepyan, S. (2011). COHERENT TERAHERTZ EMISSION FROM PHOTOCONDUCTIVE ANTENNA. Proceedings of the YSU A: Physical and Mathematical Sciences, 45(1 (224), 55–59. https://doi.org/10.46991/PYSU:A/2011.45.1.055