Raman fiberoptic probe brings light to the sample

Remote spectroscopic monitoring of difficult samples is often touted as an advantage of fiberoptic sampling probes. For Raman spectroscopic applications, however, sampling probe design is complicated because the excitation laser beam often generates a large Raman signal, and sometimes fluorescence, too, from the optical fiber itself while traveling to and from the sample. Optical engineers at Kaiser Optical Systems (Ann Arbor, MI) solved this problem by incorporating several holographic optical

Heather W. Messenger

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