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Design of an anamorphic fisheye lens

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Abstract

This lens was designed as an investigation for the first stage of a larger optical system. The first stage images infrared light emitting diodes that can be localized within a 90 degree (x-dimension) x 30 degree (y-dimension) on a 60 mm square array. The spectral bandwidth of the sources is 150nm, with 20% spectral output at 810nm and 960nm. The layout, rayfans, spot diagrams, and the modulation transfer function are presented for performance assessment. Distortion is constrained to achieve a linear mapping. Achromatization of the lens is addressed. Finally, some cost issues associated with fabrication are discussed.

© 1998 Optical Society of America

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