UV/Vis/NIR light source
AvaLight-DH-S
Avantes
The AvaLight-DH-S is a combined Deuterium and Halogen light source, which can be used for UV/VIS/NIR applications. The AvaLight-DH-S has an SMA905 connector to be used with fiber optic cables and bundles. For optimal coupling an adjustable focus lens assembly is included. The light source supplies a continuous spectrum with high efficiency and highest stability in the UV, visible and near-infrared range from 215-2500 nm.
The Avalight-DH-S was developed based on the shine-through principle, in which the halogen light is focused through a small diameter aperture in the deuterium bulb. The AvaLight-DH-S-BAL has a dichroic beam splitter to give a much more balanced spectrum from 200-2500nm.
For UV only applications the AvaLight-D-S (only Deuterium) source is available.
The standard AvaLight-D(H)-S light sources have a special UV longpass filter (>220nm) implemented to protect the fibers from solarizing. For applications that require a spectral range below 220 nm a Deep UV bulb is available, in which no UV longpass filter is included. For these Deep-UV measurements (from 190nm) the AvaLight-D(H)-S-DUV may be ordered. New is a long-life and more stable version of the Deuterium lamp (AvaLight-D-B-DUV-LL)
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