Abstract: A sensor is disclosed that can include a light component in support of a first light source operable to direct a first beam of light, and a second light source operable to direct a second beam of light. The sensor can also include an imaging device positioned proximate the light component and operable to directly receive the first beam of light and the second beam of light, and convert these into electric signals. The imaging device and the light component can be movable relative to one another. The sensor can further include a light location module configured to receive the electric signals and determine locations of the first beam of light and the second. beam of light on the imaging device. In addition, the sensor can include a position. module configured to determine a relative position of the imaging device and the light component based on the locations of the first beam of light and the second beam of light on the imaging device.

Abstract: A time to digital converter includes a sample module operable to sample an input signal at multiple different instances of time. A transition detection module, formed of comparison elements, processes the sampled input signal at successive time instances so as to detect transitions in the input signal in terms of time. An output module generates detected transitions in the input signal on multiple parallel outputs.

Abstract: There is provided a measurement apparatus of measuring signal light quality. The measurement apparatus may include: a tunable wavelength filter configured to be input signal lights having different power levels; a measure configured to measure an optical power level of light passing through the tunable wavelength filter; and a controller configured to calculate a non-linear noise component and a spontaneous emission component of a signal light based on the measured optical power levels, the optical power levels being measured at different transmission frequencies for each of the signal lights having the different power levels in response to a control of the transmission frequency of the tunable wavelength filter.

Abstract: A solid-state image pickup device capable of suppressing the generation of dark current and/or leakage current is provided. The solid-state image pickup device has a first substrate provided with a photoelectric converter on its primary face, a first wiring structure having a first bonding portion which contains a conductive material, a second substrate provided with a part of a peripheral circuit on its primary face, and a second wiring structure having a second bonding portion which contains a conductive material. In addition, the first bonding portion and the second bonding portion are bonded so that the first substrate, the first wiring structure, the second wiring structure, and the second substrate are disposed in this order. Furthermore, the conductive material of the first bonding portion and the conductive material of the second bonding portion are surrounded with diffusion preventing films.

Abstract: In a microscope for high resolution scanning microscopy of a sample, said microscope comprising—an illumination device for illuminating the sample, —an imaging device for scanning at least one point spot or line spot across the sample and for imaging the point spot or line spot into a diffraction-limited, stationary single image with magnification into a detection plane, —a detector device for detecting the single image in the detection plane for different scanning positions with a spatial resolution, which, taking into consideration the magnification, is at least twice as high as a full width at half maximum of the diffraction-limited single image, —an evaluation device for evaluating a diffraction pattern of the single image for the scanning positions from data of the detector device and for generating an image of the sample, said image having a resolution that is increased beyond the diffraction limit, provision is made for—the detector device to have a detector array, which has pixels and is larger than t

Abstract: A solid-state image pickup device includes: a photoelectric conversion element including a charge accumulation region, the photoelectric conversion element performing photoelectric conversion on incident light and accumulating, in the charge accumulation region, electric charge obtained through the photoelectric conversion; a charge-voltage conversion element accumulating the electric charge obtained through the photoelectric conversion; and a charge accumulation element adjacent to the photoelectric conversion element, part or all of the charge accumulation element overlapping the charge accumulation region, and the charge accumulation element adding capacitance to capacitance of the charge-voltage conversion element.

Abstract: A light receiving and emitting element module includes a substrate; a light emitting element and a light receiving element on an upper surface of the substrate; a frame-shaped outer wall that on the upper surface of the substrate; and a light shielding wall that is positioned inside the outer wall and partitions an internal space of the outer wall into spaces respectively corresponding to the light emitting element and the light receiving element. The light shielding wall includes a light emitting element-side shading surface on the light emitting element side, a light receiving element-side shading surface on the light receiving element side, and a lower surface that is connected to each of the light emitting element-side shading surface and the light receiving element-side shading surface, and that faces the substrate. The lower surface has an inclined surface inclined with respect to the upper surface of the substrate.

Abstract: Methods and systems for replicating high bandwidth current outputs from a photodetector or another current source include using a transimpedance amplifier (TIA) to directly generate a TIA voltage that is linear with optical power at the photodetector. The TIA voltage is used to generate a current that flows to a log amp, which generates a voltage that is linear with the optical power in dB. Additionally, offset cancellation is used at the TIA and at the log amp.

Abstract: An electronic absolute position encoder is provided having a scale, a detector, and a signal processor configured to determine an absolute position of the detector along the scale. The scale includes a signal modulating scale pattern comprising a periodic pattern component and a gradual pattern variation component. The detector includes N spatial phase sensing elements (e.g., conductive windings) and at least one reference sensing element, which is spaced apart along the measuring axis direction by a distance corresponding to an integer multiple of 360 degrees of spatial phase shift relative to a first one of the N spatial phase sensing elements. A first reference signal from the first reference sensing element and a first signal from the first one of the N spatial phase sensing elements include nominally similar signal contributions from the periodic pattern component, and a difference between the two signals is due to a difference in their signal contributions from the gradual pattern variation component.

Abstract: The invention relates to an optoelectronic device (1) comprising a detector for receiving radiation and a frame (3). Said frame is provided with an opening (30), in which the detector is located. The frame extends vertically between a radiation penetration face (300) and a rear face (301). The opening has a lateral face (4) running obliquely to the vertical direction. The oblique lateral face from the top view of the radiation penetration face has a first sub-section (41) and a second sub-section (42). The first sub-section is designed as a reflector for the radiation that is to be received by the detector and the second sub-section guides radiation that is incident on the second sub-section in the vertical direction away from the detector.

Abstract: An optical sensor arrangement (10) comprises a light sensor (11) that is connected to a summation node (13) and is designed for generating a sensor current (S2), a current source (S2) connected to the summation node (13) and designed to provide a source current (S3), and an integrator (21) that is coupled to the summation node (13) and is designed for generating a first value (VP1) of an integrator signal (S6) by integrating during a first phase (P1) and for generating a second value (VP2) of the integrator signal (S6) by integrating during a second phase (P2). The optical sensor arrangement (10) comprises a sum and hold circuit (31) that is coupled to the integrator (21) and is designed to generate an analog output signal (S7) as a function of a difference of the first value (VP1) and the second value (VP2) of the integrator signal (S6).

Abstract: An optical communication assembly includes a PCB, a first optical coupling module, a light deflection module, and a second optical coupling module. The PCB includes a plurality of light emitting elements emitting different color light signals. The first optical coupling module includes a plurality of first lenses corresponding with light emitting element. The light deflection module includes a plurality of light deflection elements corresponding with optical coupling lenses. The light deflection element includes a first reflecting surface reflecting light signal, and a plurality of dichroic surfaces reflecting light signal from the first optical coupling lens and transmitting the light signal from a front light deflection element. The second optical coupling module includes a second lens and an optical fiber, color light signals emitted from the light emitting elements are reflected and transmitted by the light deflection module and then altogether coupled into the optical fiber.

Abstract: A solid state imaging device includes: a pixel array unit that has a plurality of pixels 2-dimensionally arranged in a matrix and a plurality of signal lines arranged along a column direction; A/D conversion units that are provided corresponding to the respective signal lines and convert an analog signal output from a pixel through the signal line into a digital signal; and a switching unit that switches or converts the analog signal output through each signal line into a digital signal using any of an A/D conversion unit provided corresponding to the signal line through which the analog signal is transmitted, and an A/D conversion unit provided corresponding to a signal line other than the signal line through which the analog signal is transmitted.

Abstract: A photographing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element with negative refractive power has a convex object-side surface and a concave image-side surface. The third lens element has refractive power. The fourth lens element has refractive power, and an object-side surface and an image-side surface thereof are aspheric. The fifth lens element with negative refractive power has a concave image-side surface, wherein an object-side surface and the image-side surface thereof are aspheric, and at least one of the object-side surface and the image-side surface thereof has at least one inflection point.

Abstract: A display device in which light leakage in a monitor element portion is prevented without increasing the number of steps and cost is provided. The display device includes a monitor element for suppressing influence on a light-emitting element due to temperature change and change over time and a TFT for driving the monitor element, in which the TFT for driving the monitor element is provided so as not to overlap the monitor element. Furthermore, the display device includes a first light shielding film and a second light shielding film, in which the first light shielding film is provided so as to overlap a first electrode of the monitor element and the second light shielding film is electrically connect to the first light shielding film through a contact hole formed in an interlayer insulating film. The contact hole is formed so as to surround the outer edge of the first electrode of the monitor element.

Abstract: A device for measuring a periodic signal is disclosed. The device includes a light source for generating an optical input signal directed at an object being measured from an electrical input signal generated by a driver device on the basis of a first clock pulse, an optical receiver for detecting and converting the signal received, a central control and measuring device is designed to generate the first clock pulse for the driver device and to receive and process the electrical measuring signal, and a voltage-supply apparatus for supplying the driver device. The central control and measuring device are preferably designed to generate a second clock pulse for the voltage-supply apparatus and to filter the electrical measuring signal on the basis of the first and/or second clock pulse. The frequency of the second clock pulse is an even multiple of the frequency of the first clock pulse.

Abstract: A lens-free imaging system for detecting particles in a sample deposited on image sensor includes a fluidic chamber for holding a sample and an image sensor for imaging the sample, wherein the image sensor has a light receiving surface and a plurality of photosensitive pixels disposed underneath the light receiving surface, and wherein the fluidic chamber formed at least in part by the light receiving surface. A method for detecting particles of interest in a sample deposited on an image sensor, through lens-free imaging using the image sensor, includes (ii) generating an image of the sample, deposited on a light receiving surface of the image sensor, by illuminating the sample, and (ii) detecting the particles of interest in the image.

Abstract: A measurement system including a tracking measurement device, a tracked measurement device, and a positioning unit disposed at least partly on the tracked measurement device. The positioning unit includes a tracking groove formed in a surface of the positioning unit, the tracking groove having a non-repeating pattern, and a positioning target configured to interface with the tracking groove so as to be movable within and along at least a portion of the tracking groove, where the positioning target is configured to interface with the tracking measurement device to effect a position determination of the tracked measurement device in a global coordinate system of the tracking measurement device.

Abstract: A system and method of calibrating a laser tracker is provided. The system includes a support system for quickly and easily moving an artifact to a desired position and orientation and for holding the artifact in the position and orientation. An adjustable alignment mirror is coupled to a first end of the artifact so that the more accurate ranging system of the laser tracker can be isolated to determine a reference length of the artifact. Additional measurements are then taken to exercise one or more error source within the tracker. The support system includes a positioner and a support beam for positioning and supporting the artifact. The artifact is coupled to the support beam using kinematic clamps that are designed to reduce or eliminate errors associated with over-constraining the artifact.

Abstract: An apparatus comprises a first light sensor configured with a first field of view; and a second light sensor configured with a second, narrower field of view contained within the first field of view. The first and second light sensors may be arranged to detect light reflected from an illuminated surface, wherein the first and second field of view encompass light from an electric lighting device reflected from said surface and additional light reflected from said surface, e.g. natural light; but the second light sensor is concentrated on a region on said surface so as to exclude glare from objects outside said region, whereas the first field of view extends beyond said region. An illumination level of the environment in which the apparatus is installed may be adjusted to compensate for a change in the additional light based on information distinguishing between the two sensors.