Abstract: An spectral sensor system includes an array of optical sensors arranged on an integrated circuit, an interface between the plurality of optical sensors and a first processing device, a plurality of sets of optical filters configured as a layer located atop the plurality of optical sensors, with each set of optical filters including a plurality of optical filters, each optical filter configured to pass light in a different wavelength range. The spectral sensor system includes a memory configured to interface with the first processing device, the memory configured to store calibration data associated with the plurality of sets of optical sensors. The spectral sensor system further includes second processing device includes an artificial neural network configured to correct a spectral response generated by the plurality of optical sensors and an interface between the first processing device and the second processing device is configured to transmit information therebetween.

Abstract: An optical sensor system comprises an array of optical sensors arranged on an integrated circuit and a plurality of filters with the bottom surface of the plurality of filters located above the top surface of the array of optical sensors. The optical sensor system further comprises an angle-of-incidence layer that includes a top surface, a bottom surface, and a thickness Y, where the bottom surface of the angle-of-incidence layer is located a predetermined distance X from the top surface of the plurality of filters and the angle-of-incidence layer includes a plurality of collimating elements, with each collimating element of the angle-of-incidence layer having an aperture width Z.

Abstract: A device for measuring optical response from skin includes one or more illumination sources configured to irradiate light directly onto skin or tissue, where each illumination source is configured to provide light within a predetermined range of optical wavelengths. The device further includes one or more spectrometers, each including a plurality of interference filters overlaying one or more optical sensors, where each of spectrometers has a sensing range within a predetermined range of optical wavelengths and is configured to capture light emitted from the skin or tissue. Each of the one or more spectrometers included of the device is positioned a predetermined distance from at least one illumination source of the one or more illumination sources.

Abstract: A user device including a camera, a spectrometer module, and a processing unit is disclosed. In one aspect, the camera is adapted to acquire at least one image of a scenery which falls within a field of view of the camera. The spectrometer module is adapted to acquire spectral information from a region within the scenery which region falls within a field of view of the spectrometer module. The processing unit is adapted to determine, based on information relating the field of view of the spectrometer module to the field of view of the camera, a spectrometer module target area, within the at least one image, corresponding to the region. The processing unit is adapted to output display data to a screen of the user device for providing an indication of the target area on the display.

Abstract: A spectrometer module comprising a plurality of separate electronic circuit modules is disclosed. Each separate electronic module comprises an integrated sensor circuit including a light sensitive area occupying part of an area of the integrated sensor circuit, the integrated sensor circuit being arranged to detect incident light. In one aspect, the plurality of separate electronic circuit modules includes a group of adjacent electronic circuit modules. The light sensitive areas of the electronic circuit modules in the group are so arranged on the respective integrated sensor circuits that the group of adjacent electronic circuit modules is mounted so that the light sensitive areas thereof are arranged in vicinity to each other. The spectrometer module includes an optical module, which is common to said plurality of separate electronic circuit modules and arranged to direct incident light towards the light sensitive areas of each of said electronic circuit modules.