1. Method and arrangement for transverse optical coherence tomography

    A problem occurring in the acquisition of planar sectional images by means of transverse optical coherence tomography consists in that the frequency of the photoelectric interferometer signal is not constant during the scanning process. The corresponding frequency bandwidth impedes the electronic bandpass filtering required for noise reduction. However, planar tomographic images are particularly important. A beam path which is telecentric on the object side is realized in that the center of rotation of the pair of scanning mirrors which directs the scanning measurement beam onto the object is arranged in the focal plane of the focussing optics. In this way ...
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