Thomas Kleckers

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Planar polyimide light guides can be used for optical detection of humidity. In a phase-matched guide a TE mode and a TM mode of different orders are influenced differently by a humid atmosphere. With crossed polarizers a phase shift induced by the moisture is detectable in the form of an oscillating output signal. For fully cured and thus well-defined and(More)
− This article deals with the technical properties of fiber Bragg gratings with regard to their use as the strain-sensitive element in force transducers. Electrical strain gages are widely used in modern, precise force transducers. The electrical strain gage provides both outstanding technical properties and cost-effectiveness. Besides the electrical strain(More)
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