Importance

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Abstract

The invention relates to an optical device with at least one radiation source (11), a detector (16), a light guide (12) for the primary radiation and a light guide (17) for further conducting the radiation to be detected to detector (16), wherein the light guide (12) for the primary radiation and the light guide (17) for further conducting the radiation to be detected are each designed in such a way that the radiation emitted at the end (13) of the primary light guide (12) on the sample side, after passage through the sample under investigation, falls directly on the end (18) of the light guide (17) on the sample side for further conducting the radiation to be detected.

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First Claim