9 February 2011 Characteristics of linear position sensor based on bi-cell photodiode
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In this paper we introduce a method allowing theoretical calculation of linearity and scale factor errors in linear position sensors based on bi-cell photodiodes. Such calculations are applied using three methods to compensate for scale factor temperature drift. An example based on data of a specific sensor was computed to illustrate how the sensor's dimensions and drift compensation method influence the scale factor and linearity errors of its volt-displacement characteristic.
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Igor Friedland, Igor Friedland, Amit Brandes, Amit Brandes, "Characteristics of linear position sensor based on bi-cell photodiode", Proc. SPIE 7954, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XV, 79540K (9 February 2011); doi: 10.1117/12.871444; https://doi.org/10.1117/12.871444


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