Characteristics of linear position sensor based on bi-cell photodiode

Igor Friedland; Amit Brandes

doi:10.1117/12.871444

9 February 2011 Characteristics of linear position sensor based on bi-cell photodiode

Igor Friedland, Amit Brandes

Proceedings Volume 7954, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XV; 79540K (2011) https://doi.org/10.1117/12.871444
Event: SPIE OPTO, 2011, San Francisco, California, United States

Abstract

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.

Citation Download Citation

Igor Friedland and 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); https://doi.org/10.1117/12.871444

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