Abstract: There are provided a master and a method for manufacturing the master, the master having, on its outer peripheral surface, a concave-convex structure in which concavities or convexities are continuously arranged with high precision. The master includes: a substrate with a hollow cylindrical shape or cylindrical shape; and a concave-convex structure on an outer peripheral surface of the substrate. The concave-convex structure has concavities or convexities continuously arranged at a predetermined pitch in a circumferential direction of the substrate. The concavities or convexities are arranged with a predetermined phase difference between circumferential rows adjacent in an axial direction of the substrate.

Abstract: A reflecting element includes a first reflecting film to reflect light and a second reflecting film configured to increase a reflectivity of the first reflecting film. The second reflecting film includes a layer of high-refractive-index material and a layer of low-refractive-index material with a refractive index lower than the layer of high-refractive-index material. The layer of low-refractive-index material is a top layer of the second reflecting film.

Abstract: The disclosure provides an optical filter element including a plurality of nano-columns separated from each other in a horizontal direction and extended in a vertical direction, and each of the plurality of nano-columns includes a first material layer having an first extinction coefficient and second material layers having second extinction coefficients different from the first extinction coefficient of the first material layer and a spectrometer including the same.

Abstract: The present disclosure provides a component, such as a MEMS mirror or other generally disc-shaped component, having a variable mesh pattern across a backside surface thereof. The variable mesh includes ribs having a first thickness near a center portion or axis of rotation of the components, and a second narrower thickness at portions farther from the center or axis of rotation.

Abstract: A solar cell and a photovoltaic module including the same are provided. The solar cell includes a substrate having a first surface and a second surface opposite to each other; a first passivation stack disposed on the first surface and including a first oxygen-rich dielectric layer, a first silicon-rich dielectric layer, a second oxygen-rich dielectric layer, and a second silicon-rich dielectric layer that are sequentially disposed in a direction away from the first surface, wherein an atomic fraction of oxygen in the first oxygen-rich dielectric layer is less than an atomic fraction of oxygen in the second oxygen-rich dielectric layer; a tunneling oxide layer disposed on the second surface; a doped conductive layer disposed on a surface of the tunneling oxide layer; and a second passivation layer disposed on a surface of the doped conductive layer.

Abstract: A system for the detection of pathogenic organisms in growth substrate or water is described which comprises means for the delivery of an attractant into the growth substrate or water, means for directing the microorganism to a detector for the detection of the microorganism of interest, and a detector which provides a signal when the microorganism of interest is detected, the use of the system in agriculture and horticulture is also described.

Abstract: A material includes a transparent substrate on which is deposited a stack of layers including n silver-based metal functional layers and n+1 dielectric sets of layers, with n?3 and each silver-based metal functional layer being placed between two dielectric sets of layers. The dielectric set of layers located below the first silver-based metal functional layer starting from the substrate and the dielectric set of layers located above the last silver-based metal functional layer starting from the substrate each include a high-refractive-index layer, the value of the index?2.15 at the wavelength of 550 nm; the value of the refractive index of at least one of the high-index layers?2.40 at the wavelength 550 nm; and the value of the ratio of the optical thickness of each of the high-refractive-index layers to the optical thickness of the dielectric set of layers in which it is included is included between 0.25 and 0.55.

Abstract: A metal pattern film including a substrate; a first adhesion promoting layer provided on a first surface of the substrate; a second adhesion promoting layer provided on a second surface of the substrate, which is opposite to the first surface of the substrate; a metal pattern provided on a surface of the first adhesion promoting layer opposite to a surface of the first adhesion promoting layer adjoining the substrate; a first adhesive layer provided on a surface of the metal pattern opposite to the first adhesion promoting layer so as to cover the metal pattern; and a second adhesive layer provided on a surface of the second adhesion promoting layer opposite to a surface of the second adhesion promoting layer adjoining the substrate. Each of the first adhesion promoting layer and the second adhesion promoting layer includes an inorganic oxide. A method for preparing a metal pattern film.

Abstract: A low-emissivity (low-E) coating on a substrate (e.g., glass substrate) includes at least first and second infrared (IR) reflecting layers (e.g., silver based layers) that are spaced apart by contact layers (e.g., NiCr based layers), a layer comprising silicon nitride, and an absorber layer of or including a material such as niobium zirconium which may be oxided and/or nitrided. The absorber layer is designed to allow the coated article to realize glass side reflective (equivalent to exterior reflective in an IG window unit when the coating is provided on surface #2 of an IG window unit) silver color. In certain example embodiments, the coated article (monolithic form and/or in IG window unit form) has a low visible transmission (e.g., from 15-45%, more preferably from 22-39%, and most preferably from 24-35%). In certain example embodiments, the coated article may be heat treated (e.g., thermally tempered and/or heat bent).

Abstract: A manufacturing method for a liquid crystal display panel is disclosed and includes a step forming a refractive index gradient layer, a step forming a gate electrode insulation layer, a step forming a first interlayer dielectric layer, and a step forming a second interlayer dielectric layer. The step forming a refractive index gradient layer includes depositing a silicon nitride layer on a glass substrate, depositing the refractive index gradient layer on the silicon nitride layer. The refractive index gradient layer is silicon oxide, and includes a lower refractive index decremental layer and a lower refractive index constant layer. A refractive index of the decremental layer gradually decreases along a direction away from the silicon nitride layer, the lower refractive index constant layer is on the lower refractive index decremental layer. A reflection rate between light in film layers can be lowered to improve light transmittance of the display panel.

Abstract: Disclosed are an Electromagnetic Interference shielding film, a circuit board and a preparation method of the electromagnetic Interference shielding film. The electromagnetic Interference shielding film includes: a first shielding layer, a second shielding layer, an adhesive film and multiple convex particles, wherein the first shielding layer includes a first surface and a second surface opposite to each other; the second surface is a flat surface; the multiple convex particles are adhered on the second surface of the first shielding layer; the second shielding layer is disposed on the second surface of the first shielding layer and covers the multiple convex particles, thereby forming a protrusion portion at a position corresponding to the convex particles on an outer surface of the second shielding layer and forming a gentle portion at other positions; and the adhesive film is disposed on the outer surface of the second shielding layer.

Abstract: Multilayer optical film reflective polarizers previously considered to have excessive off-axis color can provide adequate performance in an LC display without any high haze light diffusing layer or air gap between the reflective polarizer and the back absorbing polarizer of the display. The reflective polarizer has only one packet of microlayers, and is oriented using a standard tenter such that birefringent microlayers in the film are biaxially birefringent. The microlayers in the packet have a layer thickness profile suitably tailored to avoid excessive perceived color at normal and oblique angles. A laminate made by combining this type of reflective polarizer with an absorbing polarizer, without an air gap or any high haze light diffusing layer or structure between the polarizers, can be used and incorporated into a liquid crystal display or the like with adequate color performance both at normal incidence and oblique incidence up to a polar angle of 60 degrees.

Abstract: A wavelength conversion element includes a wavelength conversion layer which has a first face on which an excitation light is incident and a second face facing the first face, a first layer which is provided facing the second face and contains a first inorganic oxide, a second layer which is provided facing the first layer and contains a first metal or a second inorganic oxide that is different from the first inorganic oxide, and a third layer which is provided facing the second layer, contains either silver or aluminum, and reflects the excitation light or a light obtained by wavelength conversion of the excitation light by the wavelength conversion layer.

Abstract: Image sensors may include plasmonic color filter elements that transmit specific wavelengths of incident light. Each plasmonic color filter element may be interposed between a respective microlens and photosensitive area. The plasmonic color filter elements may be formed from a metal layer such as gold, silver, platinum, aluminum, or copper and may have a pattern of openings in the metal layer that is designed to allow transmission of a certain type of light. To prevent cross-talk between adjacent pixels having plasmonic color filter elements, metal walls may be interposed between adjacent plasmonic color filter elements. The metal walls may extend above the upper surface of the metal layer that forms the plasmonic color filter elements. The metal walls may run around the periphery of each plasmonic color filter element.

Abstract: A photoluminescent polarizer including: a base having a first surface, a second surface opposite to the first surface, and a plurality of grid elements disposed on the first surface; wherein a grid element includes a first lateral face, a second lateral face, and at least one photoluminescent unit stack disposed on at least one of the first lateral face and the second lateral face, wherein the first lateral face is angled away from a line perpendicular to the first surface of the base and the second lateral face angled toward the first lateral face and away from the line, wherein the photoluminescent unit stack is disposed on at least one of the first lateral face and/or to the second lateral face, wherein the photoluminescent unit stack comprises a light emitting film and a metal film, the metal film disposed on a surface of the light emitting film.

Abstract: A laminated vehicle windshield for head-up display, includes a first glazing, forming an exterior glazing, a lamination interlayer made of polymeric material, the lamination interlayer having a cross section which decreases in wedge shape from the top toward the bottom of the laminated glazing, a second glazing, forming an interior glazing, the second main face and the third main face being the internal faces of the laminated glazing, a set of diodes, each diode emitting in the direction of the interior glass. For each of the diodes, the lamination interlayer includes a blind aperture housing the diode.

Abstract: In a neutral density filter, a base is formed from plastic, and a light absorbing film having a plurality of layers is disposed on at least one surface of the base. The light absorbing film includes a first layer from the base side that is a SiO2 layer or an Al2O3 layer. The light absorbing film includes one or more NiOx layers formed from NiOx (x is not less than 0 and not greater than 1). At least one of the NiOx layers is disposed between a base-side adjacent layer adjacent to the at least one of the NiOx layers on the base side, and an opposite-side adjacent layer which is formed from a material different from the base-side adjacent layer and which is adjacent to the at least one of the NiOx layers on the opposite side.

Abstract: To provide a multilayer film, wherein a reflectance of the multilayer film in a visible light region and a reflectance of the multilayer film in a near infrared region are both 0.1% or more but 20% or less in a temperature range of 5° C. or more but less than 30° C., and the reflectance of the multilayer film in the visible light region is 0.1% or more but 20% or less and the reflectance of the multilayer film in the near infrared region is 80% or more but less than 100% in a temperature range of 30° C. or more but less than 60° C.

Abstract: An antireflection film including a hard coating layer; and a low refractive index layer including a binder resin and hollow and solid-type inorganic nanoparticles dispersed in the binder resin. The solid-type inorganic nanoparticles are distributed more than the hollow inorganic nanoparticles near the interface between the hard coating layer and the low refractive index layer. The hollow inorganic nanoparticles have a thickness of a shell layer to a particle radius ratio of 0.3 or less. A method for manufacturing an antireflection film including: coating a resin composition including a photocurable compound or a (co)polymer thereof, a fluorine-containing compound containing a photoreactive functional group, a photoinitiator, and hollow and solid-type inorganic nanoparticles onto a hard coating layer, drying at a temperature of 35° C. to 100° C. and photocuring the same. The hollow inorganic nanoparticles have a ratio of the thickness of a shell layer to the particle radius of 0.3 or less.

Abstract: This invention relates to a coated article including a low-emissivity (low-E) coating. In certain example embodiments, the low-E coating is provided on a substrate (e.g., glass substrate) and includes at least first and second infrared (IR) reflecting layers (e.g., silver based layers) that are spaced apart by contact layers (e.g., NiCr based layers) and a dielectric layer of or including a material such as silicon nitride. In certain example embodiments, the coated article has a low visible transmission (e.g., no greater than 60%, more preferably no greater than about 55%, and most preferably no greater than about 50%).

Abstract: A touch-control pattern structure is provided to reinforce capacitive sensing layer to increase the durability and reliability. The touch-control pattern structure comprises a capacitive sensing layer having two intersected electrode groups and a insulating layer located between the two intersected electrode groups at intersections of the two intersected electrode groups, and a reinforcing layer placed on the capacitive sensing layer at the intersection of the two intersected electrode groups at the edge of the insulating layer. Furthermore, the method of forming the touch-control pattern structure is also provided.

Abstract: A method for producing an antireflection layer on a silicone surface is described. The method includes application of an organic layer, production of a nanostructure in the organic layer by a plasma etching process, and application of at least one cover layer onto the nanostructure. An optical element can be produced by the method.

Abstract: A cooktop apparatus, in particular an induction cooktop apparatus, includes at least one glass unit and at least one coating configured as a multilayer structure, which is disposed on at least one subregion of at least a main face of the glass unit and has at least two layers. In order to achieve optimum compatibility with the sensors of the user interface without requiring a process after deposition, at least one of the layers is formed by at least one semiconducting material, to fulfill the function of an absorbing layer.

Abstract: The present disclosure includes a stretchable reflective film comprising a transparent polymer layer; a continuous metal layer comprising at least one of tin or indium; a non-reactive adhesive layer; and a stretchable film layer. The stretchable reflective film has at least 30% specular reflectivity when stretched by 50% of the unstretched length according to Specular Reflectivity Test Method.

Abstract: The present invention has an object to achieve bonding which satisfies both in heat resistivity and in stress-relaxation ability, and the bonding material according to this invention is a sheet-like bonding material 1 made of a silver-bismuth alloy which, when heated in a state being in contact with a metal material as a bonding target (for example, surface layers 2f, 3f), forms in the metal material (as its material, for example, gold, silver or copper) a diffusion layer Ld2, Ld3 of silver due to solid-phase diffusion reaction, so as to be bonded to the metal material, said bonding material being characterized by containing not less than 1 mass % but not more than 5 mass % of bismuth.

Abstract: An invention generally relating to minimizing performance loss of the system when fitted with an electromagnetic interference (EMI) shield.

Abstract: Nanostructure array optoelectronic devices are disclosed. The optoelectronic device may have one or more intermediate electrical contacts that are physically and electrically connected to sidewalls of the array of nanostructures. The contacts may allow different photo-active regions of the optoelectronic device to be independently controlled. For example, one color light may be emitted or detected independently of another using the same group of one or more nanostructures. The optoelectronic device may be a pixilated device that may serve as an LED display or imaging sensor. The pixilated device may have an array of nanostructures with alternating rows and columns of sidewall electrical contacts at different layers. A pixel may be formed at the intersection of a row contact and a column contact. As one example, a single group of one or more nanostructures has a blue sub-pixel, a green sub-pixel, and a red sub-pixel.

Abstract: The invention relates to an optically variable element as well as a method for the production thereof. In a first area the optically variable element has at least one first color region which in the event of illumination generates a color dependent on the angle of observation and/or angle of illumination. The first color region has two or more zones (41 to 47) arranged next to each other. The two or more zones arranged next to each other have in each case a width and/or length dimension of less than 300 ?m. In at least one first zone (41) of the zones (41 to 47) of the first color region a thin-film interference filter (15) is provided with at least one interference layer (17). The interference layer (17) of the thin-film interference filter (15) has a first average thickness (d1) in the first zone (41).

Abstract: The present invention relates to an optical imaging system communicatively connected to a microwave energy producing source wherein the combination provides for increases in chemical reaction times and the ability to monitor the reactions in real time with sufficient resolution to view the location of intracellular components labeled with luminescent molecules as well as interaction with other biomolecules and responses to localized environmental variables in living cells and tissues during the application of a microwave field.

Abstract: The light reflective film has improved adhesive property between a light reflective layer and a hard coat layer. The light reflective film has a high refractive index layer, a low refractive index layer, a resin adhesive layer, and a hard coat layer laminated on a substrate, in this order. The hard coat layer has an active energy ray-curable resin. The resin adhesive layer has at least one resin selected from polyvinyl acetal resins, acrylic resins, and urethane resins.

Abstract: A touch panel includes an upper electrode substrate having an upper conductive film formed thereon, a lower electrode substrate having a lower conductive film formed thereon, the upper conductive film and the lower conductive film being arranged to face each other, a spacer disposed between the upper electrode substrate and the lower electrode substrate along four sides of the upper electrode substrate and the lower electrode substrate, and at least one conductive part having a predetermined height and disposed in a vicinity of the spacer on an inner side thereof on at least one of the lower conductive film and the upper conductive film.

Abstract: Temperable and non-temperable coatings are provided which have similar optical characteristics. The non-temperable coating is placed on glass that is not to be tempered and provides certain optical characteristics. The temperable coating is placed on a glass substrate and the coated substrate is then tempered. After tempering, the coated tempered glass sheet and the coated non-tempered glass sheet have similar optical characteristics. Both coatings have a plurality of metal layers, with at least one of the metallic layers being a discontinuous layer with a primer layer over the discontinuous metal layer. For the non-temperable coating, the discontinuous metal layer has an effective thickness in the range of 1.5 nm to 1.7 nm. For the temperable coating, the discontinuous metal layer has an effective thickness in the range of 1.7 nm to 1.8 nm. The primer layer of the temperable coating is thinner than the primer layer of the non-temperable coating.

Abstract: This invention relates to a coated article including a low-emissivity (low-E) coating. In certain example embodiments, the low-E coating is provided on a substrate (e.g., glass substrate) and includes at least first and second infrared (IR) reflecting layers (e.g., silver based layers) that are spaced apart by contact layers (e.g., NiCr based layers) and a dielectric layer of or including a material such as silicon nitride. In certain example embodiments, the coated article has a low visible transmission (e.g., no greater than 50%, more preferably no greater than about 40%, and most preferably no greater than about 39%).

Abstract: The invention relates to a glass substrate with interference coloration for a facing panel, comprising a glass sheet covered on one of the faces thereof by a stack of coatings including successively at least: a first transparent coating made from a dielectric material having an optical thickness at least greater than or equal to 5 nm and at most less than or equal to 258 nm; a semi-transparent functional coating having a geometric thickness at least greater than or equal to 0.1 nm and at most less than or equal to 50 nm; a second transparent coating made from a dielectric material and having an optical thickness at least greater than or equal to 20 nm and at most less than or equal to 300 nm; and a coating providing opacity or quasi-opacity and having a geometric thickness at least greater than or equal to 30 nm.

Abstract: A photodetector using graphene includes: a gate electrode; a graphene channel layer which is opposite to and spaced apart from the gate electrode and does not have ?-binding; a first electrode which contacts a first side of the graphene channel layer; and a second electrode which contacts a side of the graphene channel layer, where the first and second sides are opposite to each other, and where the graphene channel layer includes a first graphene layer and a first nanoparticle disposed on the first graphene layer. The first graphene layer may include a single graphene layer, or the first graphene layer may include a plurality of single graphene layers, which is sequentially stacked and does not have ?-binding.

Abstract: A chromium-based reflective coating for a polymeric substrate, wherein the coating has a thickness of 200 nm or less and is an alloy of chromium and a dopant material, the dopant material being selected from the hexagonally close-packed transition metals, the alloy having a crystal structure of a primary body-centered cubic phase in coexistence with a secondary omega hexagonally close-packed phase.

Abstract: An electromagnetic wave detector that detects incident light by converting the incident light into an electric signal includes a flat metal layer formed on a supporting substrate, an intermediate layer formed on the metal layer, a graphene layer formed on the intermediate layer, isolated metals periodically formed on the graphene layer, and electrodes arranged oppositely on both sides of the isolated metals. Depending on a size of a planar shape of each of the isolated metals, light having a predetermined wavelength at which surface plasmon occurs is determined out of the incident light, and the light having the predetermined wavelength is absorbed to detect a change in the electric signal generated in the graphene layer.

Abstract: A light emitting diode includes a source layer, a metallic plasma generating layer, a first optical symmetric layer, a first electrode, and a second electrode. The source layer includes a first semiconductor layer, an active layer, and a second semiconductor layer stacked in series. The first semiconductor layer includes a first surface and a second surface opposite to the first surface. The first electrode covers and contacts the first surface. The second electrode is electrically connected with the second semiconductor layer. The metallic plasma generating layer is disposed on a surface of the source layer away from the first semiconductor layer. The first optical symmetric layer is disposed on a surface of the metallic plasma generating layer away from the first semiconductor layer. A refractive index difference between the source layer and the first optical symmetric layer is less than or equal to 0.3.

Abstract: A method of producing a glass substrate having a first layer formed on a surface of the substrate by low-temperature CVD includes preparing the glass substrate and forming the first layer on the glass substrate by the low-temperature CVD. In the glass substrate after forming the first layer, an integrated value after a baseline correction in a wavenumber range of 2600 cm?1 to 3800 cm?1 in a peak due to OH groups obtained by an FTIR measurement on the first layer is 9.0 or less, and the C content of the first layer is 1.64 at % or less.

Abstract: A process for manufacturing a transparent body for use in a touch screen panel is provided.

Abstract: An anti-reflection structure using surface plasmons and a high-k dielectric material, and a method of manufacturing the anti-reflection structure. The anti-reflection structure may include a high-k dielectric layer formed on a substrate, the high-k dielectric layer configured to allow incident light to pass therethrough, and a nano-material layer on the high-k dielectric layer. The high-k dielectric layer may include at least one of zirconium oxide (ZrO2), hafnium oxide (HfO2), titanium oxide (TiO2), tantalum oxide (Ta2O5), lanthanum oxide (La2O3), yttrium oxide (Y2O3) and aluminum oxide (Al2O3).

Abstract: A stress-reduced reflective optical element for a working wavelength in the soft X-ray and extreme ultraviolet wavelength range includes a first multilayer system (4) of at least two alternating materials (41, 42) having different real parts of the refractive index at the working wavelength on a substrate (2), which exerts a layer stress on the substrate (2), and comprising a second multilayer system (6) of at least two alternating materials (61, 62) on a substrate (2), which exerts an opposed layer stress on the substrate (2) and is arranged between the first multilayer system (4) and the substrate (2), wherein one of the materials (61) of the second multilayer system (6) is nickel-vanadium-silicon, and wherein the ratio (G) of the overall thickness of nickel-vanadium-silicon layers (61) within one period (60) of the second multilayer system (6) to the overall thickness of the period (60) of the second multilayer system (6) is at least 0.25.

Abstract: A corrugated pattern forming sheet exhibiting excellent performance when being used as optical elements, such as an antireflector and a retardation plate is provided. A corrugated pattern forming sheet of the invention includes a resin layer, and a hard layer provided at least in a portion of an outer surface of the resin layer. The hard layer is made of a metal or a metallic compound. The hard layer has a wavelike corrugated pattern. The average pitch of the corrugated pattern is 1 ?m or less, and the average depth of the bottom of the corrugated pattern is 10% or more given an average pitch of 100%.

Abstract: An optical element is provided with a wavelength-selective reflection layer having a five-layer configuration in which high-refractive-index layers and metal layers are alternately stacked. The present invention is designed so that the ratio ? of an optical film thickness db of the entire metal layer relative to an optical film thickness da of the high-refractive-index layers as a whole, and the ratio ? (=d3/d1) of an optical film thickness d3 of the third high-refractive-index layer with respect to the optical film thickness d1 of the first high-refractive-index layer as viewed from either the first optical layer side or the second optical layer side are included within a predetermined range.

Abstract: The invention relates to a substrate (10), especially a transparent glass substrate, equipped with a thin-film multilayer comprising, in alternation, “n” metallic functional films (40, 80, 120), in particular functional films based on silver or a metal alloy containing silver, and “(n+1)” antireflection coatings (20, 60, 100, 140), where n is an integer?3, each antireflection coating comprising at least one antireflection film, so that each functional film (40, 80, 120) is located between two antireflection coatings (20, 60, 100, 140), characterized in that said multilayer comprises at least two high-refractive-index antireflection films (25, 145), each having a refractive index?2.

Abstract: An antifouling film is introduced on a base of an optical product such that (1) an absolute value of a charged electrostatic potential is 2.00 kV or less, and (2) a surface peel strength is 0.10 N/19 mm or less. A hard coat film and an optical multilayer film are placed between the base of the optical product and the antifouling film. An antireflection film is provided as the optical multilayer film, and a base of a spectacle plastic lens is provided as the base of the optical product.

Abstract: An optical scanning unit includes a light source including a plurality of light-emitting elements; a light detector to detect a light beam emitted from the light source; a light-flux splitter, angled to the optical axis of the light beam emitted from the light source, having an aperture, a portion of reduced thickness susceptible to warping, a concave face of the warped light-flux splitter as a reflecting face, and a convex face of the warped light-flux splitter opposite the concave face as a non-reflecting face; and a light-flux splitter pressing unit to press the light-flux splitter onto a light-flux splitter holding member without blocking the aperture. Light beam passed the aperture is used as a write-use light flux. The reflecting face reflects a light flux other than the write-use light flux as a monitor-use light flux. The light-flux splitter pressing unit presses a portion of maximum convexity of the non-reflecting face.

Abstract: An antireflection film capable of reliably preventing light (or laser light), which is incident on a glass substrate and which reaches a metal film, from being reflected by the metal film. The antireflection film provided between a metal film having a complex refractive index represented by NM=nM?i·km and a glass substrate having a refractive index NG includes, from the metal film side: (A) a first dielectric layer having a refractive index N1; (B) a second dielectric layer provided on the first dielectric layer and having a refractive index N2; and (C) a third dielectric layer provided on the second dielectric layer and having a refractive index N3, in which N1<nM, N1>NG, N2<NG, and N3>NG hold. Accordingly, light which is incident on the glass substrate and which reaches the metal film is prevented from being reflected by the metal film.

Abstract: A sensing system can include one or more particles having one or more plasmon resonances. The particles can be positioned adjacent to the active region of a sensor to enhance the sensitivity of the sensor to electromagnetic radiation having frequencies corresponding to the plasmon resonances. An array of sensors such as used for color imaging can employ different types of particles adjacent to different sensors, so that different sensors sense different colors. During fabrication of such sensors, the particles can be applied mechanically or using a process such as inkjet printing.

Abstract: The invention relates to an optical filter structure composed of at least two adjacent elementary optical filters, an elementary optical filter being centred on an optimum transmission frequency, characterised in that it comprises a stack of n metallic layers (m1-m3) and n?1 dielectric layers (d2-d3), each metallic layer alternating with a dielectric layer such that the central layer in the stack is a metallic layer (m2), each of the layers in the stack having a constant thickness except for the central metallic layer for which the varying thickness fixes the optimum transmission frequency of an elementary filter.