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optical fibre metdon for metning of physical and / or chemical quantities, based on sensor materials with a olinjer light / light out characteristics
optical fibre metdon for metning of physical and / or chemical quantities, based on sensor materials with a olinjer light / light out characteristics
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机译:光纤光子面用于物理和/或化学量的融合,基于具有奥利杰光/出光特性的传感器材料
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摘要
The invention relates to a measuring device for measuring physical and/or chemical quantities, comprising a measuring transducer and an evaluating electronic unit interconnected by at least one light-conducting fiber, said evaluating electronic unit comprising one or more light sources for transmitting light via said fiber/fibers to at least one sensor element, forming a part of said transducer, said evaluating electronic unit also comprising one or more light detectors for detecting light emitted from said sensor element(s). The invention is characterized in that said at least one sensor element possesses a non-linear relationship between the incident light intensity illuminating the sensor element and the intensity of the light emitted from the sensor element, that said light source/light sources are arranged to emit light having at least two, non-identical light intensities, and that at the same time said detector/detectors are arranged to measure the light coming from the sensor element.
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