JENar — F-Theta Lenses and Beam Expanders

With the 1x to 4x Beam Expanders and the 2x to 10x Beam Expanders, Jenoptik offers variable expansion optics to complete the product range of lenses for high precision laser material processing.

Based on an optimized engineering concept, these beam expanders are very robust and compact, so their lens components will experience no rotational shift in the case of a change in setup, which yields improved pointing stability. A further benefit of these Beam Expanders are the engraved expansion and focusing scales.

In order to provide durable systems and to minimize focus shifts, highly resistant materials and fused silica are used to make them particulary suitable for high power laser applications.