Abstract: The present invention relates to a microcomplex containing a modified nanoparticle adsorbed on a host microparticle and to a process to obtain it. The microcomplex is particularly useful for photoepilation. The present invention also relates to a composition containing the microcomplex and to the method for enhanced photoepilation based on the microcomplexes.

Abstract: Provided is a method for producing an electrically conductive composite, wherein the method includes: a) providing a bed of a polymer in a non-continuous solid form; b) providing, on the polymer bed, a composition that comprises a chemical precursor dissolved in a liquid medium made to inhibit a chemical reaction of the chemical precursor into forming an electrically conductive inorganic component; c) forming an electrically conductive inorganic component from a chemical reaction of the chemical precursor, by at least evaporating the liquid medium; and d) exposing to electromagnetic radiation an electromagnetic radiation absorber of the composition, to sinter those portions of said polymer bed in thermal contact therewith, to form a polymer network that percolates an electrically conductive network formed with the electrically conductive inorganic component. Also provided are a system and a package adapted to implement the presently disclosed method.

Abstract: Provided are gaze tracking apparatuses, which in some embodiments can include an optoelectronic device, wherein the optoelectronic device includes an image sensor with non-local readout circuit having a substrate and a plurality of pixels and operatively connected to a control unit, wherein a first area of the substrate is at least partially transparent to visible light and at least the plurality of pixels of the image sensor are arranged on the first area of the substrate to aim to an eye of a user when placed in front of an inner face of the substrate, and wherein the control unit is also adapted to control the image sensor to acquire image information from the user's eye for performing a gaze tracking of the user's eye.

Abstract: The present invention relates to a photovoltaic material and a photovoltaic device comprising the photoactive material arranged between a hole transport layer and an electron acceptor layer. The present invention also relates to the use of the photovoltaic material.

Abstract: An image cytometer for capturing and analyzing the image of a sample in the momentum domain. The cytometer is provided with a light source for illuminating a sample with a light beam, an optical transforming system positioned behind the sample in the beam propagation direction for generating the Fourier transform in the space plane, a light sensor array and a spatially selective filter positioned with respect to the optical system such that the Fourier transform is imaged onto the light sensor array.

Abstract: The present invention relates to a common-path interferometric scattering imaging system and a method of using such a system, where the system includes an illuminating unit for emitting an illumination beam; a light collecting arrangement for collecting through a common collection optical path a scattered beam provided by the light scattering on an object of the illumination beam and a reference beam provided by the reflection on or transmission through an interface of the illumination beam; an image sensor (D) for receiving and sensing the collected scattered and reference beams interfering thereon as an interferometric light signal; an attenuation mechanism arranged in the common collection optical path for attenuating the reference beam before it arrives at the image sensor; and a processor to process data corresponding to the interferometric light signal.

Abstract: The present invention relates to a modified surface capable of having bacteriostatic and bactericidal activity when it is light irradiated, thus converting the surface of the substrate into a bacteriostatic and a bactericidal surface as many times as it is desired, and for a long time. According to the invention, the modified surface upon light irradiation avoids the attachment of a microorganism to this surface, inhibits the formation of a biofilm on this surface and destroys an already formed biofilm on this surface. These effects can be achieved as many times as it is desired, and for indefinite time.

Abstract: The present disclosure relates to a thermally modulated optical lens apparatus that includes an electrically resistive element that has patterned features. The patterned features may be micro-sized or smaller and may create an electrical resistance density across the electrically resistive element. The electrically resistive element is capable of electrically connecting to a controllable electrical source. The apparatus also includes at least one thermo-optical material in thermal contact with the patterned features of the electrically resistive element. The at least one thermo-optical material can have an optical refractive index profile that corresponds to the electrical resistance density.

Abstract: A photovoltaic device cell comprising a first light transmissive electrical contact, an active region, a second light transmissive electrical contact, and a layered structure enclosing the active region, the layered structure being formed of two parts, a first part underlying the first light transmissive electrical contact and a second part overlying the second electrical contact and wherein the constants of the layers in these layered structures are interdependent such that light is localized within the active region.

Abstract: The invention relates to an image sensor comprising a plurality of pixels operatively connected to a control unit that includes a readout circuit, characterized in that it comprises a monolithic three-dimensional integrated circuit comprising an upper level and a lower level; wherein each pixel comprises: a photosensitive element arranged in said upper level and comprising a photosensitizing layer associated to a transport layer; an active device arranged in said lower level and operatively coupled to the photosensitive element; and a first intermediate terminal and an output terminal circuitally connected, respectively, to the photosensitive element and to the readout circuit; wherein the image sensor further comprises a dark current suppressing circuit; and wherein the control unit is configured to, upon readout of a pixel, circuitally connect the first intermediate terminal of said pixel with its output terminal through the dark current suppressing circuit.

Abstract: The present invention relates to a composition for topical application on skin for photoepilation comprising nanocomplexes which comprise a nanoparticle supporting an LSP resonance which is coated with at least a chemical compound, wherein said chemical compound is selected from the group consisting of polyionic polymers, heterobifunctional compound of the surface assembled monolayer type, antibodies and their mixtures. The present invention also relates to a photoepilation method which comprises the steps of (i) applying to the skin surface the composition for topical application of the present invention, and (ii) applying a radiation to said surface of the skin.

Abstract: Provided are gaze tracking apparatuses, which in some embodiments can include an optoelectronic device, wherein the optoelectronic device includes an image sensor with non-local readout circuit having a substrate and a plurality of pixels and operatively connected to a control unit, wherein a first area of the substrate is at least partially transparent to visible light and at least the plurality of pixels of the image sensor are arranged on the first area of the substrate to aim to an eye of a user when placed in front of an inner face of the substrate, and wherein the control unit is also adapted to control the image sensor to acquire image information from the user's eye for performing a gaze tracking of the user's eye.

Abstract: Tunable monolithic cavity-based frequency converter pumped by a single-frequency laser where cavity resonance(s) are achieved by independently changing the temperatures of different sections of the crystal, including the periodically poled section and one or more adjacent, non-poled regions. Having independent control of the phase matching temperature and the cavity resonance for a down-converted beam increases the efficiency.

Abstract: Apparatus for measuring light scattering of a sample comprising a light beam source, means for collimating the beam and making it impinge on the sample in a perpendicular direction, at least one light sensor, and at least one spatial filter between the sample and the optical sensor, provided with two apertures, means for measuring the total power reaching the sensor and means for measuring the power of beams with a low k vector after the beam traverses the filter. The invention provides thus a simplified, portable and compact device for measuring different parameters like haze, turbidity, etc. can be built, for any sample and without the need of changing detectors.

Abstract: Provided are image sensors with non-local readout circuits that include a substrate and a plurality of pixels and operatively connected to a control unit, wherein the control unit has first and second biasing circuits for providing, respectively, substantially symmetrical first and second biasing voltages and including, respectively, first and second selection means to selectively bias the pixels; and a readout circuit for reading out the pixels; and in that each pixel includes a photo-active element that has a photosensitizing layer associated to a transport layer; a non-photo-active reference element; first and second contacts circuitally connected, respectively, to the first and second biasing circuits; and an output contact circuitally connected to the readout circuit; wherein the photo-active element is circuitally connected between the first and output contacts, and the reference element is circuitally connected between the output and second contacts.

Abstract: A photovoltaic device cell comprising a first light transmissive electrical contact, an active region, a second light transmissive electrical contact, and a layered structure enclosing the active region, the layered structure being formed of two parts, a first part underlying the first light transmissive electrical contact and a second part overlying the second electrical contact and wherein the constants of the layers in these layered structures are interdependent such that light is localized within the active region.

Abstract: A protective structure for tables comprises an external frame placed around the table defining a security distance between the external frame and the table, and the protective structure further comprises protecting means including at least one beam blocker, said at least one beam blocker being preferably placed vertically on said external frame. The protective structure permits isolation of the optical table from vibrations, heat and/or air flow produced by other equipment used during the experiments.

Abstract: Disclosed is a photovoltaic device that includes a solar cell on a light transmissive substrate in the form of an array of equal diameter optical fibers laid adjacent to each other in the transversal direction of the fibers. With such an arrangement, light harvesting at high angles is improved by 30%.

Abstract: An adaptive photo thermal lens comprising at least one cell, each cell provided with at least one photo absorbing particle, a thermo-optical material in thermal contact with the cells and at least one controllable light source for illuminating the photo absorbing particles, the light source having at least one spectral component which can be absorbed by the photo-absorbing particles and being controllable in wavelength and/or power and/or polarization.

Abstract: Light sheet microscope for recording 3D images of a specimen, comprising a light sheet generator, an objective lens, an image detector and a wavefront encoder element or system positioned between the objective lens and the image detector for extending the depth of field of the objective lens. By doing so, the restriction on the distance between the collecting objective and the light sheet is relaxed, allowing the use of a light sheet scanning unit. The resulting light sheet microscope allows for a robust, aberration insensitive, fast 3D imaging without the need to move or perturb the specimen.