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Descripción
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| The analysis of the interference modes has an increasing application, especially in the field of optical biosensors. In this type of sensors, the displacement of the interference modes of the transduction signal is observed when a particular biological agent is placed over the biosensor. In order to measure this displacement, the position of a maximum (or a minimum) of the signal must be detected before and after placing the agent over the sensor. A parameter of great importance for this kind of sensors is the period of the signal, which is inversely proportional to the optical thickness h0 of the sensor in the absence of the biological agent. The increase of this period improves the sensitivity of the sensor but it worsens the detection of the maximum. In this paper, authors analyze the propagation of uncertainties in these sensors when using least squares techniques for the detection of the maxima (or minima) of the signal. Techniques described in supplement 2 of the ISO GUM Guide are used. The result of the analysis allows a metrological educated answer to the question of which is the optimal period of the signal. | |
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Internacional
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No |
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JCR del ISI
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No |
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Título de la revista
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Óptica pura y aplicada |
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ISSN
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2171-8814 |
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Factor de impacto JCR
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Información de impacto
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Volumen
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47 |
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DOI
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DOI: http://dx.doi.org/10.7149/OPA.47.1.27 |
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Número de revista
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1 |
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Desde la página
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27 |
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Hasta la página
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34 |
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Mes
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ENERO |
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Ranking
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