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f-theta lenses for high-power laser applications

The Optical Systems division of Jenoptik has introduced a new range of f-theta lenses for high-power laser applications. The fused-silica lenses work at wavelengths of 266nm and 355nm, offering the benefits of standard f-theta lenses with higher damage threshold.  

The 355nm lens in particular provides optimised performance in high-power laser applications. Of diffraction-limited design, the lens features high spot uniformity over the entire scan range. Its coatings have been specifically optimised for fused-silica optics, and offer low absorption.   

Two more f-theta fused silica lenses for operation at 1,070nm, with focal lengths at 160 and 255mm, will be available in the fourth quarter of 2011. The diffraction-limited objective lenses are intended for laser powers up to 2kW at 1,070nm.


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