12 September 2014 An adaptive achromatic doublet design by double variable focus lenses
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An adaptive chromatic doublet that designed by doublet variable focus lenses was proposed. Two lenses were in filled with different liquids, so that the lenses could perform low and high dispersion proprieties. The proposed doublet could performance a tunable focal length, and meanwhile its chromatic aberration could be corrected. Four available liquids candidates were proposed to fabricate two variable focus lenses that would be designed with liquid-membrane-liquid structure, so that they could realize a large aperture adaptive achromatic doublet. The improvement of the achromatic behaviors was confirmed that the chromatic focal shift range was 2.5% for the adaptive singlet and 0.05% for the adaptive doublet.
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Lihui Wang, Hiromasa Oku, Masatoshi Ishikawa, "An adaptive achromatic doublet design by double variable focus lenses", Proc. SPIE 9193, Novel Optical Systems Design and Optimization XVII, 91930O (12 September 2014); doi: 10.1117/12.2061203; https://doi.org/10.1117/12.2061203

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