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FIBRE-OPTIC MULTIWAVELENGTH INTERFEROMETER (MWLI) FOR THE ABSOLUTE MEASUREMENT OF DISTANCES AND TOPOLOGIES FOR SURFACES AT A LARGE OPERATING DISTANCE
FIBRE-OPTIC MULTIWAVELENGTH INTERFEROMETER (MWLI) FOR THE ABSOLUTE MEASUREMENT OF DISTANCES AND TOPOLOGIES FOR SURFACES AT A LARGE OPERATING DISTANCE
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机译:光纤多波长干涉仪(MWLI),用于在较大的工作距离上绝对测量表面的距离和拓扑
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摘要
The invention relates to a sensor device for measuring distances with at least two radiation sources (101) which are designed to produce optical signals (112) at different wavelengths and the optical signals of which can be supplied to a sensor head (104; 124) via a fibre-optic coupling (102, 103), wherein the optical signals (112) for the at least two radiation sources (101) can be brought together in a common fibre (110) by means of at least one optical multiplexer device (102) and can be supplied to the sensor head (104; 124) by means of said fibre (110).
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