Image of a multi-lens system taken with our wavefront sensor, Optino.This lens system, used in lithography, had a high spherical aberration due to the particular optical design. The elongation of the spots is due to the spherical aberration. Optino, the wavefront sensor, was able to measure the spherical aberration easily
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SpotOptics wavefront sensor, Optino was successfully used to measure a highly aspherical single lens. The elongation of the spots is due to the spherical aberration.
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aspherical lenses