Abstract: The invention concerns a mirror (14), in particular for a photovoltaic cell (10), comprising a stack of layers (SC1, SC2, SC3, SC4, SC5, SC6), the layers (SC1, SC2, SC3, SC4, SC5, SC6) being superimposed along a stacking direction, the stack comprising: a first layer (SC1) of transparent conductive oxide, a second optical reflection layer (SC4) of metal, and a third layer (SC6) of conductive oxide.

Abstract: A method for fabricating a photosensitive device, comprising: a first step of preparing, on a substrate, at least a first photosensitive portion, active within a range of wavelengths, the first portion being surrounded by a second portion that is inactive. A material, covering the first portion, is selectively arranged into a hydrophilic layer by an electrochemical process. The second portion comprises a hydrophobic material on an upper surface opposite the substrate. The method further comprises the following steps: spraying on the upper surfaces of the first and second portions a liquid comprising a transparent material, and forming a converging lens containing the material, above the first portion.

Abstract: According to one aspect, the invention relates to a microbolometer array for thermal detection of light radiation in a given spectral band, comprising a supporting substrate and an array of microbolometers (300) of given dimensions, arranged in an array. Each of said microbolometers comprises a membrane (301) suspended above said supporting substrate, said membrane consisting of an element (305) for absorbing the incident radiation and a thermometric element (304) in thermal contact with the absorber, electrically insulated from said absorber element. The absorber element comprises at least one first metal/insulator/metal (MIM) structure comprising a multilayer of three superposed films of submicron-order thickness i.e. a first metallic film (311), a dielectric film (310), and a second metallic film (309), said MIM structure being able to have a resonant absorption of said incident radiation at at least one wavelength in said spectral band.

Abstract: A method for fabricating a photosensitive device, comprising: a first step of preparing, on a substrate, at least a first photosensitive portion, active within a range of wavelengths, the first portion being surrounded by a second portion that is inactive. A material, covering the first portion, is selectively arranged into a hydrophilic layer by an electrochemical process. The second portion comprises a hydrophobic material on an upper surface opposite the substrate. The method further comprises the following steps: spraying on the upper surfaces of the first and second portions a liquid comprising a transparent material, and forming a converging lens containing the material, above the first portion.

Abstract: A method for fabricating a photovoltaic device with light concentration, comprising: a first step of fabricating, on a substrate, a first array of photovoltaic cells from a stack of layers deposited on the substrate, the cells of the first array being connected to a first group of electrical connectors, a second step of forming a light concentration system above the cells of the first array. It further comprises: a third step, prior to at least the second step, of forming on the substrate a second array of photovoltaic cells from a stack of layers deposited on the substrate, the cells of the second array being interspersed with the cells of the first array and connected to a second group of electrical connectors, and being without a light concentration system.

Abstract: According to one aspect, the invention relates a spectral band-pass filter, which is optimized for the transmission of an incident wave at at least a first given central wavelength ?0, and which includes: a metal grating having a thickness (t) greater than approximately ?0/50 and including at least a first set of substantially identical, parallel slots having a width (W) less than around ?0/10, and being spaced apart periodically or quasi-periodically according to a first period that is less than said first central wavelength, a layer of dielectric material having a thickness (h) and a given refractive index (ng), which is coupled to the metal grating to form a waveguide for the waves diffracted by the grating, said first period of the grating being designed such that only orders 0 and ±1 of a wave having normal incidence and a wavelength ?0 are diffracted in the layer of dielectric material, the assembly of the dielectric layer and grating being suspended, during use, in a fluid having a refractive index of

Abstract: According to one aspect, the invention relates to a microbolometer array for thermal detection of light radiation in a given spectral band, comprising a supporting substrate and an array of microbolometers (300) of given dimensions, arranged in an array. Each of said microbolometers comprises a membrane (301) suspended above said supporting substrate, said membrane consisting of an element (305) for absorbing the incident radiation and a thermometric element (304) in thermal contact with the absorber, electrically insulated from said absorber element. The absorber element comprises at least one first metal/insulator/metal (MIM) structure comprising a multilayer of three superposed films of submicron-order thickness i.e. a first metallic film (311), a dielectric film (310), and a second metallic film (309), said MIM structure being able to have a resonant absorption of said incident radiation at at least one wavelength in said spectral band.

Abstract: According to one aspect, the invention relates a spectral band-pass filter, which is optimized for the transmission of an incident wave at at least a first given central wavelength ?0, and which includes: a metal grating having a thickness (t) greater than approximately ?0/50 and including at least a first set of substantially identical, parallel slots having a width (W) less than around ?0/10, and being spaced apart periodically or quasi-periodically according to a first period that is less than said first central el wavelength, a layer of dielectric material having a thickness (h) and a given refractive index (ng), which is coupled to the metal grating to form a waveguide for the waves diffracted by the grating, said first period of the grating being designed such that only orders 0 and ±1 of a wave having normal incidence and a wavelength ?0 are diffracted in the layer of dielectric material, the assembly of the dielectric layer and grating being suspended, during use, in a fluid having a refractive index

Abstract: According to a first aspect, the present invention relates to a spectral filter suitable for filtering an incident wave at at least a first given central wavelength ?0 comprising a substrate with a through orifice and a membrane of dielectric material. The membrane is suspended above the orifice and is structured to form a set of rods organized in the form of a two-dimensional pattern (33) repeated in two directions (D1, D2), the repetition of the pattern in at least one direction being periodic or quasi-periodic, with a first period (T1) less than the central wavelength ?0.

Abstract: A photovoltaic component including a set of layers suitable for producing a photovoltaic device is disclosed. The component has at least one first layer made of a conductive material forming a back electrical contact, a second layer made of a material that is absorbent in the solar spectrum, and a third layer made of a transparent conductive material forming a front electrical contact, and an electrically insulating layer arranged between said back electrical contact and said front electrical contact. The third layer is discontinuous in order to allow said layers of said set of layers to be stacked in one or more zones to form, in each of these zones, an active photovoltaic zone, and a fourth layer made of a conductive material, making electrical contact with said third layer made of a transparent conductive material, to form a peripheral electrical contact for each of said photovoltaic microcells.

Abstract: According to one aspect, the invention relates to an asymmetric MIM type absorbent nanometric structure (1, 1?) intended to receive a wide-band incident light wave the absorption of which is to be optimised within a given spectral band, comprising an absorbent dielectric layer (10) in said spectral band, of subwavelength thickness, arranged between a metal array (11) of subwavelength period and a metal reflector (12).

Abstract: A navigation system includes a display device displaying, on a cockpit pilot display unit, a set of indications including an aircraft symbol which illustrates the position of the aircraft and a map part which represents the airport and moves in relation to the aircraft symbol according to the current position of the aircraft in the airport, the aircraft symbol fixed on the cockpit pilot display unit in a centered position in a standard display. The system also has an actuating unit for deactivating the standard display to enable the aircraft symbol to be displaced on the cockpit pilot display unit, and an actuating unit for controlling a temporary displacement of the set of indications on the cockpit pilot display unit such that the aircraft symbol displayed moves away from the centered position.

Abstract: A device includes a current position unit for determining a current position of a aircraft, a mapping database, a navigation system, a current heading unit for determining the current heading of the aircraft, and a display system for displaying on a viewing screen, at least a partial map of the airport and, thereon, an aircraft symbol which is positioned at the current position and which is oriented in accordance with the current heading.

Abstract: The invention concerns a device (1) comprising means (2) for emitting periodically position data, means (3) for emitting inertial data, means (4) for determining the position of the mobile object upon each position data emission based thereon, and means (5) for determining the position of the mobile object between two successive emissions of position data, the time interval between two successive emissions being divided into time ranges of equal duration separated by intermediate times, the latter means (5) determining for each current intermediate time the position of the mobile object, based on its position at the preceding intermediate time and based on its movement during the time range delimited by the current and preceding intermediate times, movement which is calculated by means of the inertial date.

Abstract: The invention relates to a device (1) comprising a set (2) of information sources for determining the active values of a plurality of parameter of an aeroplane, calculating means (3) for determining, by means of said active values, a first position corresponding to a position which is extrapolated from the nose of the aeroplane following a particular time interval from the current instant. The inventive device also comprises a database (5) provided with at least one pre-determined unauthorized zone of the airport, comparison means (6) for comparing said first position to said pre-determined unauthorized zone of the airport, and warning means (9) for emitting at least one warning signal if the first position is located in the unauthorized zone.

Abstract: The invention concerns a device (1) comprising means (2) for determining the current position of the aircraft, a mapping database (3), a navigation system (4), means (9) for determining the current heading of the aircraft, and a display system (6) for displaying on a viewing screen (8), a map at least partial of the airport and, thereon, an aircraft symbol which is positioned at said current position and which is oriented in accordance with the current heading.

Abstract: A presentation device includes a searching device that searches for elements of an airport that are displayed on a display field of a screen. A verification device verifies, for each of the elements, whether the element forms part of a first group for which a main anchoring point is located inside a label zone or a second group for which the main anchoring point is located outside the label zone. A determining device determines, for the elements of the second group, a secondary anchoring point located at an intersection between an axis of the element and the label zone. For each element, a label for the element is presented on a screen. The labels associated with the first group are located at the main point and those associated with the second group are located at a secondary anchoring zone.

Abstract: This invention relates to an MSM type photo-detection device designed to detect incident light and comprising reflecting means (2) superposed on a support (1), to form a first mirror for a Fabry-Pérot type resonant cavity, a layer of material (3) that does not absorb light, an active layer (4) made of a semiconducting material absorbing incident light and a network (5) of polarization electrodes collecting the detected signal. The electrodes network is arranged on the active layer and is composed of parallel conducting strips at a uniform spacing at a period less than the wavelength of incident light, the electrodes network forming a second mirror for the resonant cavity, the optical characteristics of this second mirror being determined by the geometric dimensions of the said conducting strips. The distance separating the first mirror from the second mirror is determined to obtain a Fabry-Pérot type resonance for incident light between these two mirrors.

Abstract: The invention concerns a device (1) comprising means (2) for emitting periodically position data, means (3) for emitting inertial data, means (4) for determining the position of the mobile object upon each position data emission based thereon, and means (5) for determining the position of the mobile object between two successive emissions of position data, the time interval between two successive emissions being divided into time ranges of equal duration separated by intermediate times, the latter means (5) determining for each current intermediate time the position of the mobile object, based on its position at the preceding intermediate time and based on its movement during the time range delimited by the current and preceding intermediate times, movement which is calculated by means of the inertial date.

Abstract: Method and device for assisting in the navigation of an airplane on the ground at an airport. The device (1) comprises means (14) for transmitting an alarm signal, at least if an airplane position is not on a routing zone of the airport or if the orientation bearing-wise of the airplane on this routing zone does not correspond to a particular traffic direction.