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Parámetros relevantes en el estudio de la no-linealidad de fotodiodos

Authors: Borreguero, E.; Campos Acosta, Joaquín; Ferrero, Alejandro; Pons Aglio, Alicia; Hernanz, María Luisa; Velázquez, J.L.; Bernad, Berta;

Parámetros relevantes en el estudio de la no-linealidad de fotodiodos

Abstract

El comportamiento lineal en la respuesta de un fotodiodo es una condición fundamental en medidas radiométricas, espectrofotométricas y de radiación pulsada o continua. Por tanto, se requiere que la respuesta eléctrica del fotodiodo sea proporcional al flujo radiante incidente y que se mantenga estable en el tiempo y en un rango de irradiancia. Sin embargo, diversas medidas publicadas evidencian una falta de linealidad dependiente de la estructura interna del fotodiodo, de la potencia y del tamaño del haz incidente. Este trabajo, para caracterizar la no-linealidad en la respuesta de fotodiodos como función de estos mismos factores, adopta el modelo de eficiencia cuántica interna desarrollado por Ferrero et al. en el Instituto de Óptica (CSIC). Además, mediante simulaciones para distintos supuestos, evalúa la influencia de cada parámetro en la no-linealidad de respuesta comparando resultados de las simulaciones con datos experimentales seleccionados en una recopilación bibliográfica.

Los autores agradecen al EMRP la subvención del proyecto NEWSTAR. El programa EMRP está financiado conjuntamente por los países de EURAMET participantes y la Unión Europea.

OPTOEL 2015, Salamanca 13 a 15 de julio de 2015; http://optoel2015.usal.es/

Peer Reviewed

Keywords

Fotodiodos, Eficiencia cuántica interna, Fotodiodos de silicio, Linealidad

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green