Abstract: In an optical field enhancement device in which localized plasmon is induced on a surface through illumination of excitation light and intensity of signal light emitted, by the illumination, from a sample placed on the surface is enhanced, forming sharp-edged petal-like fine uneven structures disposed at random on a substrate, and forming plate-like metal fine structures on tip portions of the sharp-edged petal-like fine uneven structures by depositing a metal from an oblique direction with respect to a direction perpendicular to a plane of the substrate on which the sharp-edged petal-like fine uneven structures are formed.

Abstract: There is provided a laminated soundproof structure formed by laminating a single layer soundproof structure having one or more soundproof cells which are arranged in a two-dimensional plane and each of which includes a frame, a film, and an opening portion including a hole or includes a frame and a film. The single layer soundproof structure has a shielding peak frequency, which is determined by the opening portion of each of the soundproof cells and at which a transmission loss is maximized, on a lower frequency side than a first natural vibration frequency of the film of each of the soundproof cells. The conditions of at least one of the frame, the film, or the opening portion in the laminated one and other soundproof cells are different.

Abstract: There is provided a laminated soundproof structure formed by laminating a single layer soundproof structure having one or more soundproof cells which are arranged in a two-dimensional plane and each of which includes a frame, a film, and an opening portion including a hole. The single layer soundproof structure has a shielding peak frequency, which is determined by the opening portion of each of the soundproof cells and at which a transmission loss is maximized, on a lower frequency side than a first natural vibration frequency of the film of each of the soundproof cells. The soundproof cells of the single layer soundproof structures are laminated with a distance therebetween, and at least some of the laminated soundproof cells have the same conditions of the frame, the film, and the opening portion.

Abstract: A soundproof structure has at least one soundproof cell including a frame having a hole portion and a film fixed to the frame so as to cover the hole portion. The soundproof cell is disposed in an opening member having an opening in a state in which a film surface of the film is inclined with respect to an opening cross section of the opening member and a region serving as a ventilation hole, through which gas passes, is provided in the opening member.

Abstract: Provided are a heat ray-shielding material having a frame body including a plurality of frames having a cell structure and a plurality of films attached to some or all of the plurality of frames in the frame body, in which at least some of the plurality of films shield near-infrared light, and cell sizes in the plurality of frames are larger than visible light optical wavelengths, whereby the heat ray-shielding material is lightweight, capable of selectively shielding heat rays, that is, near-infrared rays, can be applied to a variety of uses, and can be independently used as movable members, easily removable members, and members having a collapsible structure, an architectural member, a cage member, and a side surface wall.

Abstract: There is provided a soundproof structure which is light and thin, which has air permeability so that wind and heat can pass therethrough and accordingly no heat accumulates on the inside, and which is suitable for equipment, automobiles, and household applications. The soundproof structure has one or more soundproof cells. Each soundproof cell includes a frame having a through-hole through which sound passes, a film fixed to the frame, an opening portion configured to include one or more holes drilled in the film, and a weight disposed on the film.

Abstract: Two or more soundproof cells arranged in a two-dimensional manner are provided. At least one of the soundproof cells is a first soundproof cell configured to include a first frame having a first through-hole. At least one of the other soundproof cells is a second soundproof cell including a second frame having a second through-hole and a film fixed to the second frame. A first shielding peak frequency, which is determined by the first through-hole of the first soundproof cell and at which a transmission loss is maximized, is present on a lower frequency side than a first natural vibration frequency of the film of the second soundproof cell, and sound in a predetermined frequency band centered on the first shielding peak frequency is selectively insulated.

Abstract: A soundproof structure has a plurality of soundproof cells arranged in a two-dimensional manner. Each of the plurality of soundproof cells includes a frame formed of a frame member forming an opening and a film fixed to the frame. Two or more types of soundproof cells having different first resonance frequencies are present in the plurality of soundproof cells. A shielding peak frequency at which transmission loss is maximized is present within a range equal to or higher than a lowest frequency among first resonance frequencies of the soundproof cells and equal to or lower than a highest frequency among the first resonance frequencies of the soundproof cells.

Abstract: A soundproof structure includes one or more soundproof cells. Each of the one or more soundproof cells includes a frame having a hole portion, a vibratable film fixed to the frame so as to cover the hole portion, and one or more through holes drilled in the film. Both end portions of the hole portion of the frame are not closed, and the frame and the film are formed of the same material and are integrally formed. Therefore, it is possible to provide a soundproof structure and a soundproof structure manufacturing method capable of not only stably insulating sound due to increased resistance to environmental change or aging but also avoiding problems in manufacturing, such as uniform adhesion or bonding of a film to a frame.

Abstract: A soundproof structure has one or more soundproof cells. Each of the one or more soundproof cells includes a frame having a through-hole, a film fixed to the frame, and an opening portion configured to include one or more holes drilled in the film. Neither end portions of the through-hole of the frame are closed. The soundproof structure has a shielding peak frequency, which is determined by the opening portion of each of the one or more soundproof cells and at which a transmission loss is maximized, on a lower frequency side than a first natural vibration frequency of the film of each of the one or more soundproof cells, and selectively insulates sound in a predetermined frequency band including the shielding peak frequency at its center.

Abstract: Using an optical electric field enhancing device including a fine uneven structure made of gold formed on the front surface of a transparent substrate, illumination light of a wavelength in the range from 400 to 530 nm is applied at least to an analyte, positional information of the analyte is detected by a position detection unit disposed on the rear surface side of the optical electric field enhancing device, and excitation light is applied to the detected position by an excitation light application unit. Signal light emitted from the analyte when the excitation light is applied is detected from the rear surface side of the transparent substrate.

Abstract: A metal film of a measurement device including a transparent dielectric substrate is irradiated with first light from a transparent dielectric substrate side, an optical electric field enhanced by an optical electric field enhancing effect of a localized plasmon induced to a surface of the metal film by the irradiation is generated, light emitted from the transparent dielectric substrate side is detected, a specimen installed on a surface of a metal fine concavo-convex structure layer and a matrix agent are irradiated with second light from a side opposite to the side of the irradiation with the first light in a state where a voltage is applied to the metal fine concavo-convex structure layer through a voltage application electrode, an analysis target substance for mass spectrometry in the specimen is desorbed from the surface by the irradiation, and the desorbed analysis target substance is detected.

Abstract: An optical electric field enhancing device is used with a measuring method which includes two-dimensionally scanning a surface in in-plane direction of the surface to detect, from the rear surface side of the device, signal light emitted from each scanning point when excitation light is applied, and obtaining a two-dimensional signal image on the surface based on the detected signal light. The device includes a transparent substrate, a marker pattern directly formed on the transparent substrate and extending in a direction non-parallel to the main scanning direction of the two-dimensional scanning, and fine uneven structures formed on the marker pattern and the transparent substrate where at least the surface is made of a metal film.

Abstract: An optical field enhancement device that generates an enhanced optical field on a surface of a metal film by an optical field enhancement effect of localized plasmon induced on the surface of the metal film by light projected onto a nanostructure on which the metal film is formed, the device including a transparent substrate having a transparent nanostructure on a surface, a metal film formed on a surface of the nanostructure, and a support member for supporting a subject at a position spaced apart from the surface of the metal film.

Abstract: A surface enhanced Raman spectrometry apparatus is constituted by: a transparent substrate; a metal member that causes surface enhanced Raman scattering to occur, formed on a surface of the transparent substrate; a pressing mechanism that presses a sample placed in contact with the metal member against the metal member; a measuring light irradiating optical system that irradiates a measuring light beam onto the sample through the transparent substrate; and a light detecting section that spectrally detects Raman scattered light, which is generated when the measuring light beam is irradiated onto the sample, through the transparent substrate.

Abstract: A metal film of a measurement device including a transparent dielectric substrate is irradiated with first light from a transparent dielectric substrate side, an optical electric field enhanced by an optical electric field enhancing effect of a localized plasmon induced to a surface of the metal film by the irradiation is generated, light emitted from the transparent dielectric substrate side is detected, a specimen installed on a surface of a metal fine concavo-convex structure layer and a matrix agent are irradiated with second light from a side opposite to the side of the irradiation with the first light in a state where a voltage is applied to the metal fine concavo-convex structure layer through a voltage application electrode, an analysis target substance for mass spectrometry in the specimen is desorbed from the surface by the irradiation, and the desorbed analysis target substance is detected.

Abstract: In an optical field enhancement device in which localized plasmon is induced on a surface through illumination of excitation light and intensity of signal light emitted, by the illumination, from a sample placed on the surface is enhanced, forming sharp-edged petal-like fine uneven structures disposed at random on a substrate, and forming plate-like metal fine structures on tip portions of the sharp-edged petal-like fine uneven structures by depositing a metal from an oblique direction with respect to a direction perpendicular to a plane of the substrate on which the sharp-edged petal-like fine uneven structures are formed.

Abstract: Using an optical electric field enhancing device including a fine uneven structure made of gold formed on the front surface of a transparent substrate, illumination light of a wavelength in the range from 400 to 530 nm is applied at least to an analyte, positional information of the analyte is detected by a position detection unit disposed on the rear surface side of the optical electric field enhancing device, and excitation light is applied to the detected position by an excitation light application unit. Signal light emitted from the analyte when the excitation light is applied is detected from the rear surface side of the transparent substrate.

Abstract: An optical electric field enhancing device is used with a measuring method which includes two-dimensionally scanning a surface in in-plane direction of the surface to detect, from the rear surface side of the device, signal light emitted from each scanning point when excitation light is applied, and obtaining a two-dimensional signal image on the surface based on the detected signal light. The device includes a transparent substrate, a marker pattern directly formed on the transparent substrate and extending in a direction non-parallel to the main scanning direction of the two-dimensional scanning, and fine uneven structures formed on the marker pattern and the transparent substrate where at least the surface is made of a metal film.

Abstract: An optical electrical field enhancing device includes: a transparent substrate having a structure of fine protrusions and recesses on the surface thereof; and a metal structure layer of fine protrusions and recesses formed on the surface of the structure of fine protrusions and recesses. The metal structure layer of fine protrusions and recesses has a structure of fine protrusions and recesses, in which the distances among adjacent protrusions are less than the distances among corresponding adjacent protrusions of the structure of fine protrusions and recesses of the transparent substrate.