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For some measurements, a reflection probe is needed that can be coupled to two spectrometers and a light source. A good example is a reflection measurement in the UV/VIS and NIR range. For these situations, Avantes offers our reflection probes with multiple legs.
The light from a light source is coupled into a fiber bundle, consisting out of 17 illumination fibers which transport the light to the end of the probe. The reflected light is uniformly reflected into the two read fibers, each of which is connected to a spectrometer. In the example of a UV/VIS and NIR configuration a mix of high OH UV/VIS fiber and low OH VIS/NIR fibers are used for the respective light wavelengths and spectrometer types.
For measurements under a 90° angle, the FCR-90-Option has been developed. It is an adapter with a mirror mounted at 45° and can be easily mounted to the tip of these reflection probes.
To accurately focus a small measurement spot from a higher distance, the FCR-COL adjustable US/VIS/NIR collimating/focusing lens is available and can be mounted to the tip of these probes.
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