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Home > Frequently Asked Questions > Products > Accessories > How do I choose between a bifurcated fiber and a splitter?

How do I choose between a bifurcated fiber and a splitter?

Bifurcated fibers are good for efficiently routing equal amounts of light from a source to two different locations, and from a single sample to two spectrometers configured for different wavelength ranges (UV/VIS and VIS/NIR).

Fiber splitters are good for mixing light from two different locations and delivering it through a single fiber to a spectrometer or sample.  This ability can be used to combine illumination from two different light sources, or to mix light collected from two different sampling points before delivery to a spectrometer.

FIber splitters have lower transmission than bifurcated fibers due to the inefficient geometrical overlap between the fiber cores at their junction point.  Split fiber assemblies for small diameter core fibers are not recommended for this reason, as their thicker cladding diameter results in minimal geometric overlap.

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