36results about How to "Improve optical signal strength" patented technology

The invention provides a TOF distance measuring system and a movable platform. The TOF distance measuring system comprises a light emitter, a receiver, a controller, and an optical system. The optical system comprises at least one of a first optical signal processing device and a second optical signal processing device. Optical signals emitted by the light emitter are processed by the first optical signal processing device, and then the radiation power density of the optical signals emitted by the light emitter is improved. The optical signals reflected by a target object are processed by the second optical signal processing device, and the intensities of the optical signals reflected by the target object are improved. The radiation power density of the optical signals emitted by the light emitter is improved, and/or the intensities of the optical signals reflected by the target object received by the receiver are improved, and the signal to noise ratio of the TOF distance measuring system is improved, and the target object far away from the TOF distance measuring system is detected by the TOF distance measuring system, and therefore the distance measuring range of the TOF distance measuring system is improved.

A micropore structure of a microplate strip comprises round micropore in a standard format. A plurality of convex tooth strips in the same shape and proportion are arranged in an equant manner on the annular wall of the lower part of the inside of each micropore, the bottoms of the convex tooth strips are connected with the bottom of the micropore, and the sides of the convex tooth strips are connected with the annular wall of the micropore. The surface area formed by the convex tooth strips convex inward is much greater than the surface area of the inner cavity of the conventional micropore, so the solid-liquid interface of the same volume of reaction solution has a greatly increased reaction area that is favorable for complete immunoreactions, and luminous reaction or enzyme catalyzed reaction and contributes to the great reduction in time for reaching reaction equilibrium, improvement in detection flexibility and reduction in time for detection; the convex tooth strips improves both the reaction area and an optical signal compared with the conventional micropore structure and increases the strength of the detection optical signal of a luminometer; the top parts of the convex tooth strips are inclined sectors which are capable of reflecting the optical signal of the luminous reaction upward to a probe of the luminometer, and compared with the reaction of the micropore side wall of the conventional microplate strip, the optical signal of the probe is strengthened considerably and the flexibility of a method is improved.

A system for remotely sensing light from within a monitored environment containing one or more retro-reflective optical elements. The system includes an illuminator including a light source and a reflector unit comprising a deformable mirror arranged to receive light from the light source and to reflect the received light. This outputs illumination light from the illuminator for illuminating the optical element(s) within the monitored environment. A detector is arranged to receive light returned by the one or more retro-reflective optical elements in response to the illumination light. The detector determines a wavefront of the returned light and detects a property of the monitored environment according to the returned light. The reflector unit is arranged to deform the deformable mirror according to the determined wavefront such that light from the light source is reflected by the deformable mirror so deformed to output illumination light with a modified wavefront.

The embodiment of the application provides a stacked chip, a manufacturing method and an electronic device, which can reduce the manufacturing cost of the stacked chip. The stacked chip includes: a carrier wafer having a first groove disposed therein; a first wafer arranged in the first groove; a second wafer stacked above the carrier wafer and the first wafer, the second wafer having a surface area larger than a surface area of the first wafer; and a redistribution layer located between the second wafer and the first wafer, wherein the second wafer is electrically connected with the first wafer through the redistribution layer. In the embodiment of the application, the first groove in the carrier wafer is used for providing support and stability for the first wafer, and the second wafer with a large area is stacked on the first wafer with a small area, so that the first wafers with small areas can be manufactured on the wafer as much as possible while a chip stacking structure is realized, the cost of the single first wafer is reduced, and the whole manufacturing cost is reduced.

The invention discloses a light sensing chip, a camera and an electronic product. The camera and the electronic product respectively comprise the light sensing chip. The light sensing chip comprises a chip body and a reflection device arranged on one side, deviating from the light incidence plane, of the chip body, and the reflection device is used for reflecting light penetrating through the chip body so that the chip body can sense the light again. The reflection device is arranged on the shady face of the light sensing chip, and the light sensing chip carries out secondary light sensing by reflecting the light emitted by the light sensing chip back through the reflection device, so that the light signal intensity received by the light sensing chip is improved, and the light sensing efficiency is improved. According to the camera with the reflection device, the size of the light sensing chip is decreased, so that the camera is smaller in size, and the shooting effect is ensured as much as possible. As the camera smaller in size is adopted on the electronic product, the size of the electronic product can be decreased, and experience comfort level of customers and the attractiveness of the electronic product can be improved.

Provided is a biochip and an apparatus for detecting a biomaterial. The biochip includes a metal thin film on the surface of a substrate, restraining autofluorescence of the substrate, and a spacer on the metal thin film, having capture molecules immobilized on the surface of the spacer and specifically bound to target molecules. The spacer has a thickness controlled to enhance the strength of a fluorescence signal emitted from a fluorophore labeled with the target molecules and immobilized on the spacer by the specific binding between the capture molecule and the target molecule.

The invention discloses an optical path converging structure, and belongs to the technical field of gas smoke intensity detection. The optical path converging structure comprises a light source part,wherein the light source part comprises a light emitting element, a primary alignment mirror, a converging lens and a secondary alignment mirror which are sequentially arranged along the lighting direction of a light-emitting component; the light source part further comprises a light source support cylinder, an intermediate cylinder and a lower cylinder which are connected end to end sequentiallyfrom top to bottom; the light-emitting component and the primary alignment mirror are arranged in the light source support cylinder in up-down direction; the converging lens is arranged in the intermediate cylinder; and the secondary alignment mirror is arranged in the lower cylinder. According to the optical path converging structure, light is converged by reasonably combining the alignment mirrors, the converging lens and a beam splitter to form a high power coaxial light beam, and the problems a single light emitting tube does not have sufficient light intensity or brightness, but lights emitted from a plurality of light emitting tubes are not on the same axes and do not have sufficient light intensity in the prior art can be solved.

The invention discloses an infrared signal detection device used in a roadside airway air quality monitoring system, comprising a base, an infrared detector, a filter wheel, a driving board and a photoelectric switch, and the infrared detector is welded on the driving board , the drive plate is fixed on the two-dimensional adjustment frame through a screw assembly, the two-dimensional adjustment frame is fixed on the base through a screw assembly, the filter wheel is arranged in front of the infrared detector, and the filter The wheel is driven by a DC brushless motor, the DC brushless motor is fixed on the base through a screw assembly, and the photoelectric switch is fixed on the base through a spacer. The invention can realize high-sensitivity infrared signal detection and multi-filter fast multi-wavelength signal detection, and has the advantages of simple device structure, high reliability, and simple and convenient debugging.

The invention discloses a smoke intensity detecting optical system and method thereof and belongs to the technical field of gas smoke intensity detection. The system comprises a light source part, a beam splitting part and a detection part, wherein the light source part comprises a luminous element, a primary collimating mirror, a focusing lens and a secondary collimating mirror arranged in sequence along a lighting direction; the beam splitting part comprises multiple beam splitters; the beam splitters are arranged for receiving light beams that are emitted by the luminous elements and transmit the secondary collimating mirror, and the multiple beam splitters are capable of equally splitting the light beams into multiple parallel beams; and the detection part is used for receiving the multiple parallel beams and detecting the spectra of the multiple parallel beams. The method comprises the following steps: performing condensation via the light source part, splitting the light into multiple light beams via the beam splitting part, and finally detecting the multiple light beams by the detection part so as to obtain the result. According to the combination of the collimating mirrors,the focusing lens and the beam splitters, the second-order errors caused by beam splitting can be reduced while improving the light intensity, the light intensity received by the detection end is achieved, and the detection accuracy is improved.

A fingerprint identification module and a fingerprint identification method are provided. The fingerprint identification module comprises: a transparent cover plate, the transparent cover plate comprising a display area and an edge area surrounding the display area; a display screen body located on one side of the display area of the transparent cover plate; an optical sensor located on the surface of one side of the edge area of the transparent cover plate and surrounding the display area, with the optical sensor and the display screen body being located on the same side of the transparent cover plate; a plurality of light sources located on the surface of the side, back on to the edge area, of the optical sensor and distributed around the display area at intervals, the light sources being suitable for being electrically connected with the optical sensor. According to the fingerprint identification module, full-screen fingerprint identification can be realized, and the limitation on the display screen body is reduced.

The invention discloses physical sign data collection equipment, a method, a device and a computer readable storage medium. The equipment comprises a light-emitting component and a light receiving component, the light-emitting component comprises a light source and a first lens used for reducing an illumination angle, and the light receiving component comprises a photoelectric conversion assembly and a second lens used for converging light signals; wherein the light source generates a first light signal, and the first light signal is converted into a second light signal through the first lens and then irradiated to a human body; the second lens receives the third optical signal and converts the third optical signal into a fourth optical signal; the second optical signal is a third optical signal after passing through the human body; the photoelectric conversion assembly generates sign data by using the fourth optical signal; the first lens and the second lens are matched with each other, so that when the light source generates the first optical signal by adopting smaller current, the obtained fourth optical signal still has higher optical signal intensity, and the optical detection sensitivity is improved, so that the power consumption can be reduced, and the working time is prolonged.

The invention relates to a photoelectric sensor and a packaging method thereof. A plurality of photoelectric conversion chips distributed in an array are formed on a driving substrate; forming a protection unit wrapping each photoelectric conversion chip on the driving substrate; forming an isolation structure between the adjacent protection units on the driving substrate; forming a filtering unit on each protection unit; forming a lens unit on each filtering unit; a single photoelectric sensor is formed. The photoelectric sensor is internally provided with the photoelectric conversion chip arrays, the isolation structures located between the adjacent photoelectric conversion chips, and the filtering unit arrays and the lens unit arrays which are respectively arranged corresponding to the photoelectric conversion chip arrays, so that quantitative analysis can be realized, the process difficulty is low, the cost is also low, and higher application requirements of users on the photoelectric sensor are met; and the user experience is improved.