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Summary form only given. In conclusion, this system may provide useful information about reflecting interface layers inside transparent objects, at micron scale over a virtually unlimited range. In spite of the 8-bit intensity resolution and 56-dB dynamic range of the CCD camera, which theoretically limit the number of detectable air-glass interfaces to about 80, good images have been obtained in...
A novel form of low coherence interferometric sensor is described. The channelled spectrum produced by illuminating a sensing interferometer with a broadband source is analysed directly using a CCD array. The system currently provides unambiguous measurement over a range of 1.5 mm with an accuracy of better than 6 mu m.<<ETX>>
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