Increased sensitivity in fiber-based spectroscopy using carbon-coated fiber

• Carbon-coated optical fibers are used here for reducing the luminescence background created by the primary-coating and thus increase the sensitivity of fiber-based spectroscopy systems. The 2-3 orders of magnitude signal-to-noise ratio improvement with standard telecom fibers is sufficient to allow for their use as Raman probes in the identification of organic solvents.

Nyckelord

Raman Probe Designs

Optical-Fibers

Silica Fibers

Luminescence

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