17 May 2016 Materials figure of merit for achromatic gradient index (GRIN) optics
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Abstract
A new figure of merit is developed for ranking pairs of materials as candidates for gradient index (GRIN) optics capable of good color correction. The approach leverages recent work which derives a connection in GRIN lenses between the optical properties of constituent materials and the wavelength dependence of the lens power. We extend the analysis here, the effectiveness of which is evidenced by a simulated f/3 GRIN lens with diffraction-limited performance over the visible spectrum, using the top material pair selected out of a database of >60,000 possible candidates.
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G. Beadie, J. N. Mait, R. A. Flynn, P. Milojkovic, "Materials figure of merit for achromatic gradient index (GRIN) optics", Proc. SPIE 9822, Advanced Optics for Defense Applications: UV through LWIR, 98220Q (17 May 2016); doi: 10.1117/12.2224105; https://doi.org/10.1117/12.2224105
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