The need for accurate absorption data on small single crystals has led to the development of a new optical beam condenser design for UV-Vis spectroscopy. This design is based on the style of beam condensers used in IR spectrophotometers as opposed to the standard light pipes and lens focusing devices. The six-mirrored unit focuses the slit image on samples as small as 300 µm. The design and standardization of the beam condenser unit are presented.
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