Abstract: A detection device including a substrate, a conductive pad, a conductive line, a photoelectric element, and an insulating layer is provided. The substrate includes a first region and a second region surrounding the first region. The conductive pad is disposed on the substrate and is located in the second region. The conductive line is disposed on the substrate and extends from the first region to the second region. The conductive line is coupled with the conductive pad. The photoelectric element is disposed on the substrate and is located in the first region. The photoelectric element is coupled to the conductive line. The insulating layer is disposed on the photoelectric element and extends from the first region to the second region. The insulating layer has a groove, and the groove is located in the second region. A manufacturing method of a detection device is also provided.

Abstract: A photosensitive element includes a semiconductor substrate, a light sensitive region formed in the semiconductor substrate, an inactive region at least partly surrounding the light sensitive region, and a protective layer having an opening leaving the light sensitive region uncovered by the protective layer. The protective layer is an anti-reflective coating having in at least a part of a spectral range between 300 nm and 1200 nm a reflectivity of less than 10% and a transmittance of less than 0.1%.

Abstract: The invention relates to a vehicle lighting system based on infrared light sources, the vehicle lighting system comprising: an infrared matrix lamp, which comprises a plurality of infrared light sources arranged in a matrix and which is configured to be mounted on a vehicle to provide an illumination range with respect to the vehicle, wherein each of the plurality of infrared light sources corresponds to an illumination region in the illumination range; and a matrix lamp controller configured to turn on, when a target region needs to be illuminated, an infrared light source in the infrared matrix lamp corresponding to the target region on the basis of relative position information between the target region and the vehicle, wherein the relative position information comprises an angular position of the target region relative to a vehicle reference. The invention further relates to a vehicle comprising the vehicle lighting system.

Abstract: A light field relay has an array of microlenses, an array of transducers, and an array of output optics. Microlenses focus one or more than one selected portions of an incident light field to separate corresponding transducers. Each corresponding transducer receives and transduces a single portion of focused light and emits the transduced light. Corresponding different output optics substantially collimate the transduced light and emit the substantially collimated light as an emitted light field. The light field relay may collect infrared light in one or more selected portions of an incident light field, transduce the infrared light to visible light, substantially collimate the transduced visible light, and emit a visible light field.

Abstract: A sensor device has a metal sensor housing with a housing base coupled to a frame base of a metal optical frame. A device mounting plate is orthogonal to the frame base. A securing device secures an optical communication device to the device mounting plate. A barrel mounting channel has first and second sidewalls, each extending obliquely to the frame base and defining a linear translation pathway along the frame base for a metal lens barrel. A fastener secures the metal lens barrel to the first and second sidewalls. A glass lens is in contact with three protrusions extending outward from an inner annular surface of the lens barrel. The optical communication device is configured to be in optical communication with the lens and is secured in a particular position in a translation plane mutually defined by the device mounting plate and the optical communication device.

Abstract: A photodetector device includes a semiconductor material layer and at least one photodiode in the semiconductor material layer. The at least one photodiode is configured to be biased beyond a breakdown voltage thereof to generate respective electrical signals responsive to detection of incident photons. The respective electrical signals are independent of an optical power of the incident photons. A textured region is coupled to the semiconductor material layer and includes optical structures positioned to interact with the incident photons in the detection thereof by the at least one photodiode. Two or more photodiodes may define a pixel of the photodetector device, and the optical structures may be configured to direct the incident photons to any of the two or more photodiodes of the pixel.

Abstract: A high-voltage optical transformer may include (1) an array of light-emitting devices that are connected in parallel with one another and are electrically coupled to an electrical input, (2) a transfer medium, and (3) an array of photovoltaic cells that (A) are optically coupled to the array of light-emitting devices via the transfer medium, (B) are connected in series with one another, and (C) produce an electrical output whose voltage is higher than the electrical input. Various other apparatuses, systems, and methods are also disclosed.

Abstract: We describe a detection module useful with an apparatus and/or system for conducting luminescence assays, and a kit, a system, an apparatus, and a method incorporating the detection module.

Abstract: A wearable module for use in an optical measurement system includes a housing including a top surface, a light guide including a distal end portion adapted to protrude from the top surface of the housing, and a spring member configured to bias the distal end portion of the light guide away from the top surface of the housing. The light guide is configured to receive, at the distal end portion, photons from a light pulse scattered by a target within a body of a user and guide the received photons toward a photodetector.

Abstract: A cable detection system for detecting an end of a cable having a plurality of exposed different sections includes an illumination device and a camera. The illumination device emits an illuminating light to the end of the cable. The illumination device simultaneously emits a parallel light and a diffuse light to the end of the cable. The camera captures an image of the end of the cable. The parallel light sharpens a boundary between the different sections of the cable in the image, and the diffuse light clarifies a surface of the different sections in the image.

Abstract: Four infrared LEDs and two photodiodes PD are arranged below a lower side of a display surface in the order of an LED1, a PD1, an LED2, an LED3, a PD2, and an LED4. A detection signal A1 of the PD1 when the LED1 emits light, a detection signal A2 of the PD1 when the LED2 emits light, a detection signal A3 of the PD2 when the LED3 emits light, and a detection signal A4 of the PD2 when the LED4 emits light are used to estimate a reflection generation position in the left-right direction, and a threshold Th is set such that the threshold Th increases when the reflection generation position is on the left side, which is a driver's seat side. If the maximum value of A1, A2, A3, and A4 exceeds the threshold Th, the approach of the user's hand is detected.

Abstract: Embodiments of the present disclosure relate to an object detection system that comprises at least one laser component. The at least one laser component is configured to generate an augmented light signal with a fan shape in a first plane. The at least one laser component is also configured to receive and detect a reflected light signal when an object is within a predetermined region of interest of the augmented light signal. In some embodiments of the present disclosure, the at least one laser component is configured to receive a reflected light signal from small objects than may be detected by other known object detection systems.

Abstract: A plurality of lead pins (2a-d) penetrates through a stem (1) having a circular shape and includes a signal lead pin (2a,2b). A block (4) is provided on an upper surface of the stem. A waveguide light receiving device (9) is provided on a side surface of the block. An amplifier (6) is provided on the side surface of the block and amplifies an electric signal output from the waveguide light receiving device. A first relay substrate is provided on the upper surface of the stem and arranged between the block and the signal lead pin. A first transmission line (12a,12b) is provided on the first relay substrate. A first wire (10f,10g) connects one end of the first transmission line and an output terminal of the amplifier. A second wire (10h,10i) connects the other end of the first transmission line (12a,12b) and the signal lead pin.

Abstract: Embodiments describe an electronically scanning optical system including an emitter array configured to emit light into a field, a time of flight (TOF) sensor array configured to detect emitted light reflected back from the field, an image sensor array configured to detect ambient light in the field, where a field of view of the emitter array corresponds to a field of view of the TOF sensor array and at least a subset of a field of view of the image sensor array. The optical system further including an emitter controller configured to activate a subset of the plurality of light emitters at a time, a TOF sensor controller configured to synchronize the readout of individual TOF photosensors concurrently with the firing of corresponding light emitters, and an image sensor controller configured to capture an image that is representative of the field during the emission cycle.

Abstract: A head-mounted visualization unit is provided with an at least partially light-transmissive optical system. The optical system has a first optical channel assigned to a first eye of a user and a second optical channel assigned to a second eye of the user. The first optical channel is substantially transmissive to optical radiation of a first polarization and substantially opaque to optical radiation of a second polarization, with the first polarization substantially orthogonal to the second polarization. The second optical channel is substantially transmissive to optical radiation of the second polarization and substantially opaque to optical radiation of the first polarization. A polarizer and a light attenuator are arranged in the first optical channel. The light attenuator is arranged downstream of the polarizer in a direction toward the first eye of the user.

Abstract: The present disclosure relates to a laser receiving device and a LiDAR. An isolation component is provided between a plurality of parallel sensor groups, and an isolation component is provided between a plurality of amplifier groups in parallel, so that a plurality of parallel receiving channels each form an independent current loop, thereby reducing noise crosstalk among signal receiving channels and improving the signal-to-noise ratio of the laser receiving device.

Abstract: An overlay alignment mark located in a patterned wafer and a method for measuring overlay error are provided, the patterned wafer having a lower-layer pattern in a first layer thereof and an upper-layer pattern in a second layer thereof above the first layer, the overlay alignment mark comprising: a first pattern, which is a portion of the lower-layer pattern and comprises a pair of solid features formed in the first layer; and a second pattern, which is a portion of the upper-layer pattern and comprises two pairs of hollowed features formed in the second layer, with two imaginary lines connecting between geometric centers of respective pairs in the two pairs of hollowed features extending in two mutually orthogonal directions, respectively; an orthographic projection of the pair of solid features on the wafer at least partially overlaps with an orthographic projection of a respective pair of hollowed features on the wafer.

Abstract: A warning is issued about an irregularity concerning a wafer stored in a cassette if a difference between a value of an apparent thickness of the wafer and the previously obtained value of an actual thickness of the wafer exceeds a threshold value, the value of the apparent thickness of the wafer being obtained by a non-contact-type sensor for detecting a front portion of the wafer laterally of the wafer. Consequently, the wafer is prevented from being damaged when it is taken out of the cassette.

Abstract: This application discloses a point cloud densification method and apparatus, a storage medium, and a LiDAR. The method is applied to the LiDAR, the LiDAR includes an emitter group and a scanning apparatus, and the method includes: obtaining a point cloud densification multiple of a detection field of view at each level; obtaining an interval between scanning lines corresponding to two adjacent emissions based on the point cloud densification multiple of the detection field of view at each level; and performing scanning based on the interval between the scanning lines corresponding to the two adjacent emissions.

Abstract: Optical interconnect topologies may be provided using microLEDs. The topologies may interconnect ICs. The optical interconnect topologies may be used in some instances in place of electrical busses.