NASA NTRS · 19740042043
A simple two-fiber optical displacement sensor
Abstract
An optical displacement sensor is described in which only a pair of large-diameter fibers is used rather than a branched bundle of many small-diameter fibers. The basic idea of the two-fiber sensor is that the axes of the fibers are at an angle to one another at the sensor face, rather than parallel as is the case for the many-fiber configuration. The sensitivity of this two-fiber sensor is approximately the same as the most sensitive configuration of the many-fiber sensor.-
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Powell, J. A.. 1974-02-01. A simple two-fiber optical displacement sensor. https://ntrs.nasa.gov/citations/19740042043
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