Abstract: Provided is a method for acquiring an evaluation value that can suppress an influence caused by an orientation of an object to be evaluated on an evaluation value derived based on a phase image of the object to be evaluated. The method for acquiring an evaluation value includes generating a phase image showing a phase distribution of light transmitted through an object, deriving an evaluation value of the object based on the phase image, and correcting the evaluation value by using a correction coefficient determined in accordance with an orientation of the object in the phase image.

Abstract: Provided is a curable composition including oxide particles that include at least indium and tin, and to which a ligand having a hydrocarbon group and a binding site to the oxide particles is bonded; and a polymerizable compound, in which a content of the oxide particles in the composition is 18 mass % or more with respect to a total solid content of the composition; and a cured product of the curable composition or a lens unit including the cured product.

Abstract: Provided are a bandpass filter having a high light transmittance in a transmission band and a wide wavelength range showing a high transmittance in the transmission band, and a sensor.

Abstract: Provided are a bandpass filter having a high light transmittance in a transmission band and a wide wavelength range showing a high transmittance in the transmission band, and a sensor.

Abstract: A skin evaluation apparatus includes a shape information acquisition unit 22 that acquires information on a surface unevenness shape of the skin; an optical feature information acquisition unit 23 that acquires information on an optical feature of the skin; and an evaluation unit 24 that evaluates gloss of the skin on the basis of the information on the surface unevenness shape and the information on the optical feature.

Abstract: Provided is an optical member which includes: a substrate; and a laminated structure including two or more kinds of layers having different materials which are disposed on the substrate, in which the number of layers constituting the laminated structure is 10 or more, the maximum layer thickness of the layers constituting the laminated structure is 8 nm or less, and the minimum transmittance in a wavelength range of 400 nm to 800 nm or in a wavelength range of 6 ?m to 12 ?m is 10% or more.

Abstract: Provided is a curable composition including oxide particles that include at least indium and tin, and to which a ligand having a hydrocarbon group and a binding site to the oxide particles is bonded; and a polymerizable compound, in which a content of the oxide particles in the composition is 18 mass % or more with respect to a total solid content of the composition; and a cured product of the curable composition or a lens unit including the cured product.

Abstract: Provided is an optical member which includes: a substrate; and a laminated structure including two or more kinds of layers having different materials which are disposed on the substrate, in which the number of layers constituting the laminated structure is 10 or more, the maximum layer thickness of the layers constituting the laminated structure is 8 nm or less, and the minimum transmittance in a wavelength range of 400 nm to 800 nm or in a wavelength range of 6 ?m to 12 ?m is 10% or more.

Abstract: An anti-reflection optical member has a laminated structure including: a transparent substrate having a first refractive index greater than that of a predetermined medium; a metal-microparticle-containing layer containing metal microparticles; and a dielectric layer having a second refractive index greater than that of the predetermined medium, in this order. At least 60% of the metal microparticles are flat particles with a diameter-to-thickness ratio of 3 or more. Principal planes of the flat metal particles are surface-oriented in the range from 0° to 30° relative to the surface of the metal-microparticle-containing layer. In the metal-microparticle-containing layer, the metal microparticles are disposed without forming a conductive path.

Abstract: An infrared shielding material includes a metal particle-containing layer containing flat sheet-like metal particles each having at least one hole.

Abstract: A multilayer structure including a metal particles-containing layer, a layer A having a refractive index, n1, and a layer B having a refractive index, n2, and satisfying one of the conditions (1-1) and (2-1) is capable of suppressing reflection of light at a wavelength ? intended to prevent reflection. n1<n2 and ?/4+m?/2<n1×d1<?/2+m?/2??Condition (1-1) n1>n2 and 0+m?/2<n1×d1<?/4+m?/2??Condition (2-1) wherein m represents an integer of 0 or greater; ? represents a wavelength with a unit of nm intended to prevent reflection; n1 represents a refractive index of the layer A; and d1 represents a thickness with a unit of nm of the layer A.

Abstract: Provided are a skin evaluation apparatus, a skin evaluation method, and a non-transitory computer readable recording medium storing a skin evaluation program capable of evaluating gloss of skin in consideration of both of a physical feature of the skin and an optical feature of the skin to quantitatively evaluate gloss of the skin closer to a practical point of view. The skin evaluation apparatus includes a shape information acquisition unit 22 that acquires information on a surface unevenness shape of the skin; an optical feature information acquisition unit 23 that acquires information on an optical feature of the skin; and an evaluation unit 24 that evaluates gloss of the skin on the basis of the information on the surface unevenness shape and the information on the optical feature.

Abstract: Provided is an antireflection optical member which is an antireflection structure for preventing reflection from a substrate, the antireflection optical member including a laminate structure including a dielectric layer, an ultra-low refractive index layer, and the substrate that are laminated in this order, in which the ultra-low refractive index layer has a metamaterial structure in which a host medium includes guests having a smaller size than a wavelength ? of light whose reflection is to be prevented, a real part n2 of a refractive index of the ultra-low refractive index layer satisfies n2<1, a physical thickness d2 of the ultra-low refractive index layer satisfies the following Expression 1, and the dielectric layer satisfies the following Expression 2.

Abstract: A heat ray-shielding material including a metal particle-containing layer containing at least one kind of metal particle. The metal particle contains substantially hexagonal or substantially discoidal metallic flat particles in an amount of 60% by number or more. The main planes of the metallic flat particles are oriented at an angle ranging from 0° to ±30° relative to one surface of the metal particle-containing layer.

Abstract: A method of manufacturing an optical element as defined herein, includes: coating, by an ink jet method, the part of the surface of the optical base member with an ink which contains a light blocking material containing the particles while sequentially shifting, by an interval of T, an area of the surface of the optical base member to be coated with the ink, to form the concave-convex shape of the light blocking layer on the part of the surface of the optical base member.

Abstract: An anti-reflection optical member has a laminated structure including: a transparent substrate having a first refractive index greater than that of a predetermined medium; a metal-microparticle-containing layer containing metal microparticles; and a dielectric layer having a second refractive index greater than that of the predetermined medium, in this order. At least 60% of the metal microparticles are flat particles with a diameter-to-thickness ratio of 3 or more. Principal planes of the flat metal particles are surface-oriented in the range from 0° to 30° relative to the surface of the metal-microparticle-containing layer. In the metal-microparticle-containing layer, the metal microparticles are disposed without forming a conductive path.

Abstract: A multilayer structure including a metal particles-containing layer, a layer A having a refractive index, n1, and a layer B having a refractive index, n2, and satisfying one of the conditions (1-1) and (2-1) is capable of suppressing reflection of light at a wavelength ? intended to prevent reflection. n1<n2 and ?/4+m?/2<n1×d1<?/2+m?/2??Condition (1-1) n1>n2 and 0+m?/2<n1×d1<?/4+m?/2??Condition (2-1) wherein m represents an integer of 0 or greater; ? represents a wavelength with a unit of nm intended to prevent reflection; n1 represents a refractive index of the layer A; and d1 represents a thickness with a unit of nm of the layer A.

Abstract: An imaging apparatus, including imaging optical system having a lens group and an aperture stop, and a solid-state image sensor which includes a photoelectric conversion layer made of an organic material and a color filter layer with color filters of two or more colors and a separation wall. The photoelectric conversion layer has a thickness of 0.1 82 m to 1 ?m, each of the color filters has a refractive index of 1.5 to 1.8, the separation wall has a width of 0.05 ?m to 0.2 ?m and a refractive index of 1.22 to 1.34, and the lens group and the solid-state image sensor are disposed such that the relationship between a pixel pitch D (?m) of the sensor and a maximum angle ? (°) of a principal ray incident on the sensor is 45???25.D?20 where D?2.6 ?m.

Abstract: An imaging element includes: a plurality of photoelectric converting elements that receive irradiation of light and convert the light into electrical charges; and a color filter layer which has a red filter, a green filter, and a blue filter which are respectively provided for the photoelectric converting elements. Partition walls having a lower refractive index than those of the red filter, the green filter, and the blue filter are provided only around the peripheries of the red filters.

Abstract: An image sensor having a plurality of photoelectric conversion elements that receive light and convert the light to electric charges, color filter layers having different spectral characteristics, each being provided corresponding to each of the photoelectric conversion elements, and a partition wall having a lower refractive index than that of the color filter layers provided at the boundary of each color filter layer. The image sensor is formed such that a space of the partition wall on the light exit side is narrower than a space of the partition wall on the light incident side.