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Aspheric lenses

BioPhotonics
Jan 2008
Edmund Optics Inc.Request Info
 
EdmundOptics.jpgEdmund Optics Inc. has released TechSpec aspheric lenses of UV fused silica, which can be used for designing biophotonics systems and medical devices. Having low f numbers, the lenses provide a clear aperture of 90% and are manufactured to a 60-40 surface quality with a surface accuracy as low as 0.75 μm rms and a diameter tolerance of ±0.1 mm. Available with a 25-mm diameter at focal lengths of 25 and 30 mm, the lenses have a low coefficient of thermal expansion and a high operating temperature. They are computer-optimized to eliminate spherical aberration and to minimize higher-order aberrations.


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