To convert divergent beams of light into a parallel beam, a collimating lens is needed. Avantes collimating lenses are optimized for the UV/VIS/NIR range (200-2500 nm) and have anodized aluminium housings.
The COL-UV/VIS and COL-90-UV/VIS have a 6mm diameter lens with a confocal length of 8.7mm. The COL-90-UV/VIS is used when a 90-degree exit angle is needed. The focal point for the COL-UV/VIS and COL-90-UV/VIS can be adjusted. The COL-UV/VIS can also be ordered with an FC/PC connector.
The COL-UV/VIS-25 is the big brother of the COL-UV/VIS. It has a lens diameter of 25mm and a confocal length of 50mm. This larger collimating lens is suitable for collection of light in free space.
Material : fused silica
Optical characteristics : aspherical, UV, NIR
Applications : collimator
Wavelength : Min.:
Diameter : 6 mm, 25 mm (0.24 in)
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