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Fiber optic couplers have been developed specially for nuclear chemical spectrophotometric applications.Coupling devices are described for TELEPHOTO industrial photometers and different commercial spectrophotometers, as well as the probes and measurement cells employed.The value of optical multiplexing is discussed for the time -sharing assignment of instruments to several work stations.Non -nuclear applications in medical analysis are also mentioned, together with the possibilities offered by these devices for uses other than spectrophotometry.

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