Caracterización de antenas fotoconductoras en los THz
This paper describes an experimental model for determining the characterization of a photoconductive antenna in the terahertz band, in order to detect images in this frequency band. The photoconductive antennas consist of a pair of metal electrodes deposited on a semiconductor substrate, e.g., GaAs...
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| Autores principales: | , , , |
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| Formato: | Objeto de conferencia |
| Lenguaje: | Español |
| Publicado: |
2017
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| Materias: | |
| Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/161874 |
| Aporte de: |
| Sumario: | This paper describes an experimental model for determining the characterization of a photoconductive antenna in the terahertz band, in order to detect images in this frequency band. The photoconductive antennas consist of a pair of metal electrodes deposited on a semiconductor substrate, e.g., GaAs grown at low temperature, which upon being excited by a ultra-short laser pulse and biased emit signals in the THz band. To characterize and determine its irradiation, a pyroelectric sensor mounted on a rotator with optical precision is used as detector. The results of the measurements and images determined with the experimental set up that is proposed in this work are shown. |
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