Aspheric lenses are produced in a range of high-quality optical glasses with low f-number to optimize light gathering and focusing performance. To meet the demands of challenging applications including high-power laser focusing, LIDAR and laser launch telescopes, the manufacturer is able to make aspheric lenses, up to 600mm diameter, with surface finish of 20/10 scratch/dig, surface roughness of 1 nanometre rms and ultra-smooth slope errors. A range of high-power laser coatings is available to maintain high transmission and enable the aspheric lenses to operate at the ultra-high energy thresholds demanded by the Terawatt lasers used to investigate fundamental plasma physics. Optical Surfaces
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