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Nonimaging optics (also called anidolic optics)〔Roland Winston et al., ''Nonimaging Optics'', Academic Press, 2004 (978-0-12-759751-5 )〕〔Julio Chaves, ''Introduction to Nonimaging Optics'', CRC Press, 2008 (978-1-4200-5429-3 )〕〔R. John Koshel (Editor), ''Illumination Engineering: Design with Nonimaging Optics'', Wiley, 2013 (978-0-470-91140-2 )〕 is the branch of optics concerned with the optimal transfer of light radiation between a source and a target. Unlike traditional imaging optics, the techniques involved do not attempt to form an image of the source; instead an optimized optical system for optical radiative transfer from a source to a target is desired. ==Applications== The two design problems that nonimaging optics solves better than imaging optics are:〔William J. Cassarly, ''Taming light using nonimaging optics'', SPIE Proceedings Vol. 5185, Nonimaging Optics: Maximum Efficiency Light Transfer VII, pp.1–5, 2004〕 * solar energy concentration: maximizing the amount of energy applied to a receiver, typically a solar cell or a thermal receiver * illumination: controlling the distribution of light, typically so it is "evenly" spread over some areas and completely blocked from other areas Typical variables to be optimized at the target include the total radiant flux, the angular distribution of optical radiation, and the spatial distribution of optical radiation. These variables on the target side of the optical system often must be optimized while simultaneously considering the collection efficiency of the optical system at the source. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「nonimaging optics」の詳細全文を読む スポンサード リンク
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