The group „spectroscopic sensors” is interested in the development of innovative, miniaturized, fiber-optical techniques for sensing purposes in environmental, pharmaceutical and biomedical areas. The sensors are based on IR and Raman spectroscopy as well as SERS. The research of the group links the strong departments “Spectroscopy/Imaging” and “Fiber Optics”.
Raman spectroscopy possess unique capabilities for chemo- and bioanalysis such as: applicability in hydrous/biological environment as well as label-free, non-destructive, simultaneous analysis and quantification of several analytes due to the narrow, inherent molecular signals. Raman sensing in hollow-core optical fibers takes advantage of the strong light-analyte-interaction and can be exploited for trace analysis of minimal sample amounts. Further significant improvement of sensitivity and selectivity is achieved by resonance-Raman and SERS.
Another research focus of our group is gas sensing by means of highly sensitive miniaturized spectroscopy techniques. This work characterizes the variation of microbiological exchange rates in situ in soil and aquifers and is strongly linked to interdisciplinary functional biodiversity research (AquaDiv@Jena).
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