Optics

Step-refractive lenses

May 1, 1995

AGRIN lenses have a stepped refractive index that continuously bends light rays. This bending permits diffraction-limited performance without the drawbacks of achromats, multilens systems, or molded aspheres. Diameters of u¥to one inch are available. With the selection of index and dispersion profiles possible, a user can tailor light bending as required.

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