Abstract: A sparkle contrast correcting method includes a step of acquiring a first sparkle contrast that is caused by an anti-glare layer that is disposed on a surface of an electronic display and information that represents a first measurement condition, the first sparkle contrast being used as a comparison standard and being measured in the first measurement condition by using a first imaging lens that images emitted light from the anti-glare layer and a first two-dimensional image sensor on which the emitted light is imaged, a step of acquiring a second sparkle contrast that is caused by the anti-glare layer and information that represents a second measurement condition, the second sparkle contrast being used as a comparison target and being measured in the second measurement condition that differs from the first measurement condition by using a second imaging lens that images emitted light from the anti-glare layer and a second two-dimensional image sensor on which the emitted light is imaged, and a step of correc

Abstract: A system to detect obstacles includes a power beam transmission circuit, a power beam reception circuit arranged to receive a power beam from the power beam transmission circuit, an emitter module, and a detector module arranged to distinguish between a first characteristic and a second characteristic. The emitter module includes a first emitter arranged to emit a first signal having the first characteristic, the first signal emitted in proximity to the power beam, and a second emitter arranged to emit a second signal having the second characteristic, the second characteristic different from the first characteristic. The detector module includes a first detector arranged to respond to the first signal emitted by the first emitter, the detector module being arranged to determine when an obstacle is in or near a line-of-sight transmission path between the first emitter and the first detector.

Abstract: Provided are a photoelectric sensor and a threshold setting method. The photoelectric sensor is a photoelectric sensor detecting an object and includes a light reception part, an object determination part, and a setting part. The light reception part receives light to obtain a light reception amount. The object determination part determines presence/absence of the object based on the light reception amount and a threshold. The setting part sets the threshold based on the light reception amount during a period in which it has been determined that the object is present and the light reception amount during a period in which it has been determined that the object is absent.

Abstract: An optical filter, a sensor device including the optical filter, and a method of fabricating the optical filter are provided. The optical filter includes one or more dielectric layers and one or more metal layers stacked in alternation. The metal layers are intrinsically protected by the dielectric layers. In particular, the metal layers have tapered edges that are protectively covered by one or more of the dielectric layers.

Abstract: A remote power system includes a remote power transmitter arranged to output a high-flux power beam and a remote power receiver arranged to receive the high-flux power beam. The receiver has a plurality of photo-voltaic (PV) cells mounted to generate electrical power from energy in the high-flux power beam, at least one non-PV structure adjacent to each PV cell, and a plurality of structures to steer flux toward selected ones of the plurality of PV cells and away from selected ones of the at least one non-PV structure.

Abstract: An on-line detection system for defects of an MEA is provided. The detection system includes a workbench, two connecting rods are arranged inside the workbench, two ends of the two connecting rods are both connected to two side walls of the workbench by means of bearings, and conveying rollers are fixedly arranged outside the two connecting rods in a sleeving manner. One side of the workbench is fixedly provided with a first electric motor, and an output end of the first electric motor is fixedly connected to one of the connecting rods. Belt pulleys are fixedly arranged outside the two connecting rods in a sleeving manner, and a belt is arranged outside the two belt pulleys in a sleeving manner. A hollow roller is arranged on an inner side of the workbench, and a plurality of exhaust holes are provided in a top of the hollow roller.

Abstract: An image sensor for securing an area of a photodiode includes a pixel area and a transistor area adjacent to the pixel area. The pixel area may include a photodiode and a floating diffusion area. The transistor area may include transistors extending along an edge of the pixel area. The transistors in the transistor area may include a reset transistor, one or more source follower transistors, and one or more selection transistors, and the reset transistor and one source follower transistor adjacent to the reset transistor may share a common drain area. The source follower transistors and the selection transistors may each share a common source area or a common drain area between two adjacent transistors thereof.

Abstract: A photodetector according to an embodiment includes a plurality of cell regions disposed in an array, and an element isolation region provided between the cell regions, each of the cell regions including: a semiconductor layer having a first face and a second face opposite to the first face; a first semiconductor region of a first conductivity type provided in the semiconductor layer; a second semiconductor region of a second conductivity type provided between the first semiconductor region and the first face; an electrode in contact with the second semiconductor region; and a plurality of metal regions having a part surrounded by the first semiconductor region and another part surrounded by the second semiconductor region.

Abstract: Single board multi-channel programmable detection sensor is disclosed. The sensor has a processor operatively connected to the emitter driver, and a photodetector for controlling one or more operational parameters of the sensor in response to a program. Sensor outputs the TTL signal when desired level of light attenuated or transmitted through the system of fiber optics sensors. The processor sets triggering levels of the signal detected by the sensor in analog fast comparator circuit to threshold based on the signal difference pre-set and actual values.

Abstract: A remote sensing device is described. The remote sensing device includes an enclosure that houses a smartphone processor, a smartphone memory, a sensor module, a separate microcontroller, and a wireless communication module. The remote sensing device includes a smartphone operating system having a kernel that includes a plurality of device drivers. The smartphone processor, smartphone memory, sensor module and wireless communications module are managed by the smartphone operating system. The separate microcontroller includes a power management module. A battery is electrically coupled to the microcontroller. The battery powers the smartphone processor, the smartphone memory, and the sensor module. The wireless communication module is communicatively coupled to a wide area network. The wireless communication module receives an over-the-air (OTA) update for a device driver associated with the sensor module.

Abstract: The invention relates to a single-photon detector device (10) for detecting an optical signal, comprising an optical waveguide (12) and at least two nanowires (16, 18). The optical waveguide (12) is designed to guide the optical signal along an optical axis (14), wherein the at least two nanowires (16, 18) are arranged along the optical axis (14) relative thereto such that at least a second nanowire (18) is arranged in front of a first nanowire (16) with respect to the optical axis (14), wherein the at least two nanowires (16, 18) are designed to be superconductive at a specified temperature and, in the superconductive state, to generate an output signal when an intensity threshold of the optical signal is exceeded, and the at least two nanowires (16, 18) are designed so as to have different intensity thresholds. The invention additionally relates to the use of the aforementioned single-photon detector device for detecting an attack during a signal transmission encrypted using a quantum key distribution.

Abstract: A device having a transmission response with a maximum at a wavelength ?0, this device including an intermediate layer which extends from a first optical filter to a second optical filter, this intermediate layer having a refractive index n8 at the wavelength ?0 and a thickness h8, the refractive index n8 being less than 3n12/5 and the thickness h8 being between ? and 3?, where the refractive index n12 is greater than 5n10/3, where n10 is the greatest of the refractive indices chosen from the group consisting of the refractive indices at the wavelength ?0 of the media situated at the interface with the first filter, and the coefficient ? is defined by the following relationship: 1/?=(2?n8/?0)((?0/(n8P))2?1)0.5, where P is the period of a grating of slits of the first filter.

Abstract: Systems, methods, and computer-readable media for sensing ambient light with a display assembly are provided. A display assembly may include at least one light-generating component and at least one light-detecting component, each of which may be positioned underneath a single opening in an electronic device housing.

Abstract: A displacement sensor including an optical whispering gallery mode (WGM) microresonator and a package encasing at least a portion of the WGM microresonator, the package comprising polydimethylsiloxane (PDMS). The WGM microresonator can be configured as a sensor and used in a displacement detection system that can detect displacement with high quality. Artificial intelligence can be implemented in the displacement detection system for improved sensing of different variables and/or pinpointing the location of perturbations.

Abstract: A photodetection device of the present disclosure includes: a plurality of pixels each including a light-receiving element, a generation circuit configured to generate a light-receiving signal corresponding to an amount of light received by the light-receiving element, and a change detection circuit configured to detect an amount of a change in the light-receiving signal; a selector circuit configured to couple one of a plurality of the change detection circuits in the plurality of pixels to a coupling node; a bias circuit coupled to the coupling node; and a comparison circuit configured to generate an event signal by comparing a signal in the coupling node and a predetermined threshold with each other.

Abstract: A method for light sheet microscope examination of a specimen, the specimen being illuminated with a light sheet by an illumination objective, and a light sheet microscope for performing the method. Light emitted by the specimen is imaged onto an area-type detector by a detection objective. An optical axis of the detection objective encloses with an optical axis of the illumination objective an angle that differs from 0° and from 180° and intersects the light sheet in a light sheet plane. The area-type detector records an image. A neural network analyzes the image to determine whether the light sheet plane is located in a focal plane of the detection objective, and/or in which direction along the optical axis the light sheet plane is located from the focal plane, and/or at what distance, measured along the optical axis of the detection objective, the light sheet plane is from the focal plane.

Abstract: Fast scanning microscope systems, optics, and methods are discussed. Fast scanning systems may incorporate position feedback systems, focus-sub adjust systems, light sources, controllers, and optics. Multi-wavelength microscope systems are also discussed. Endlessly single mode fibers may be used to carry a variety of light beams to and from a sample. Scanning systems may be used to scan light from the light sources and samples, and a controller may be used to control, adjust parameters, and analyze images and date produced from the system.

Abstract: A multi-view luminance measuring device includes: a base substrate having a long side extending in a first direction and a short side extending in a second direction, wherein the long side is curved with a first curvature; a plurality of lenses positioned on an inner surface of the base substrate; and a plurality of optical sensors positioned on the base substrate to respectively correspond to the plurality of lenses, wherein the first curvature is set such that a distance between each of the plurality of lenses and a target point is constant, and wherein a length of the long side of the base substrate is set to cover a viewing angle with reference to the target point.

Abstract: The present disclosure provides techniques for improving the rate and efficiency of charge transfer within an integrated circuit configured to receive incident photons. Some aspects of the present disclosure relate to integrated circuits that are configured to induce one or more intrinsic electric fields that increase the rate and efficiency of charge transfer within the integrated circuits. Some aspects of the present disclosure relate to integrated circuits configured to induce a charge carrier depletion in the photodetection region(s) of the integrated circuits. In some embodiments, the charge carrier depletion in the photodetection region(s) may be intrinsic, in that the depletion is induced even in the absence of external electric fields applied to the integrated circuit. Some aspects of the present disclosure relate to processes for operating and/or manufacturing integrated devices as described herein.

Abstract: Provided is a multi-wavelength wireless optical charging system, which includes: a transmitter splitting low-power light of a predetermined threshold value or less into a predetermined range of wavelengths and transmitting the split light onto a space; and a receiver receiving the light transmitted from the transmitter and generating energy from multi-wavelength light which is light corresponding to a plurality of predetermined wavelengths in the received light to charge a device.