Reflectivity Compensation And Linearization Of Fiber Optic Proximity Probe Response

Gregory Hull-Allen

doi:10.1117/12.945182

29 January 1985 Reflectivity Compensation And Linearization Of Fiber Optic Proximity Probe Response

Gregory Hull-Allen

Proceedings Volume 0518, Optical Systems Engineering IV; (1985) https://doi.org/10.1117/12.945182
Event: 1984 Cambridge Symposium, 1984, Cambridge, United States

Abstract

Historically, nonlinear response and errors introduced by variations in target reflectivity and surface finish have limited the use of fiber optic proximity probes. Recent experimentation with signal processing techniques as applied to these probes has resulted in linearized response over finite displacement ranges and minimization of the effects of variation in target surface. Implementation of these techniques in both analog and digital systems is discussed, and comparisons of the design tradeoffs in each approach are summarized. Experimental data gathered with compensated instruments are contrasted with the performance data from noncompensated devices. Secondary effects introduced by the compensation schemes are defined.

Citation Download Citation

Gregory Hull-Allen "Reflectivity Compensation And Linearization Of Fiber Optic Proximity Probe Response", Proc. SPIE 0518, Optical Systems Engineering IV, (29 January 1985); https://doi.org/10.1117/12.945182

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