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Composition for high refractive index low dispersion resins for composite diffractive optical elements, and composite diffractive optical element using the same
Composition for high refractive index low dispersion resins for composite diffractive optical elements, and composite diffractive optical element using the same
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机译:用于复合衍射光学元件的高折射率低分散树脂的组合物,以及使用相同的复合衍射光学元件
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摘要
A composition for a high refractive index, low dispersion resin for a close-contact double layer-type composite diffractive optical element that is highly photocurable and provides a high productivity, and a close-contact double layer-type composite diffractive optical element using such composition are provided. A composition for a high refractive index, low dispersion resin for a close-contact double layer-type composite diffractive optical element includes a thiol compound represented by general formula (1) or an oligomer synthesized by use of a thiol compound represented by general formula (1) (A component); and an ene compound including two or more polymerizable unsaturated bonds (B component). (In the formula, p represents an integer of 2 to 5; Xp and Zp independently represent a hydrogen atom or a mercaptomethyl group; a ratio of sulfur atoms in a molecule is 40 to 80% by mass; and the number of thiol groups is 3 or larger.).
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