75 results about "Optical energy" patented technology

A method for quality inspection of an etching paste material based on a spectral response difference, including: identifying a position of density mutation boundary through spectral collection and density gradient analysis. Applying a specific frequency beam to obtain the resonance response parameter, generating stress field reconstruction data. Performing a reverse optical tracking to obtain a defect formation path, generating degradation prediction data. Establishing a self-organizing optical monitoring grid, to form a hierarchical spectral fingerprint library. Constructing a multi-point linked defect blocking network, to form an interconnected optical energy field. Monitoring a cooperative response to obtain network stability data, Identifying abnormal position coordinates based on a material quality grade and the network stability data, obtaining the abnormal position coordinates. Performing a phase adjustment to obtain a phase difference spectral set, conducting a phase comparison marking on the abnormal position coordinates, completing the quality inspection of the etching paste material.

The invention discloses an optical storage charging-UPQC multi-port cycle calendar life cost collaborative energy management method, and belongs to the technical field of electric energy quality management and optical energy storage collaborative control of a power distribution and utilization system. The invention aims to provide a light storage and charging-UPQC multi-port cycle calendar life cost collaborative energy management method which introduces a photovoltaic flexible power regulation and'cycle + calendar 'combined life modeling mechanism and embeds energy storage life cost into a model predictive control (MPC) framework on the premise that UPQC undertakes power quality compensation. According to the invention, a model predictive control (MPC) framework is adopted to carry out cooperative energy management on photovoltaic flexible output, energy storage power distribution and charging load limit, and when the SOC approaches a boundary, photovoltaic load reduction and power change rate limitation are automatically triggered. According to the method, energy storage deep circulation and excessive loss can be actively inhibited while the energy balance of the direct-current bus is maintained, and the comprehensive targets of electric energy quality treatment, energy stabilization and energy storage life protection are achieved.

A method of removing microvessels includes applying a burst of acoustic energy at a target location, applying a pulse of optical energy at the target location, and promoting cavitation at the target location by synchronizing an arrival of the burst of acoustic energy and the optical energy at the target location. The burst of acoustic energy has a pressure below 5.0 MPa. The pulse of optical energy at the target location has a fluence less than 100 mJ / cm2. At least a portion of the pulse is concurrent with the burst and the optical energy has an optical area that is overlapping with an acoustic area of the acoustic energy at the target location.

Optical energy for example, ultra-short laser beam pulses are delivered to a substrate by applying a temporal group 17 of optical pulses 16 to a region of the substrate 24. The temporal group 17 which

The utility model relates to the technical field of electronic scales, and discloses a medical optical energy electronic scale, which comprises an electronic scale body, the top of the electronic scale body is fixedly connected with a fixed column, the fixed column is internally provided with an inner groove, the inner groove is internally and rotatably connected with a rotating column, the rotating column is internally provided with a tray, and the tray is internally provided with a light source. Adjusting grooves are formed in the two sides of the rotating column correspondingly, pushing blocks are slidably connected into the adjusting grooves, inserting rods are fixedly connected to the sides, close to the interiors of the adjusting grooves, of the pushing blocks, and arc blocks are fixedly connected to the two sides of the inner wall of the inner groove correspondingly. According to the medical optical energy electronic scale, a worker aligns the bottom of a tray to the interior of a rotating column and inserts the tray into the rotating column, meanwhile, the rotating column is rotated to drive a push block and an insertion rod to move synchronously, an arc block makes contact with the thick end of the arc block, and the arc block pushes the push block to drive the insertion rod to be inserted into an insertion hole. Therefore, workers can replace and fasten the tray conveniently.

The display device comprises a support component, a display screen connected with the support component, the display screen being integrated with a light modulation element, the support component comprising an image generating device and a free curved surface device, wherein the image generating device is used for generating an image and projecting the image to the free curved surface device based on a first incident direction; the free curved surface device is used for modulating the direction of the image light to deflect the first incident direction to a first exit direction and projecting the image to the light modulation element based on the first exit direction; and the light modulation element is used for assisting the display screen to display the image. The display field of view of the display device can be effectively improved without introducing too many additional components, so that the image display effect can be effectively improved, and the image light can be directly displayed after the direction of the image light is modulated, so that the optical energy loss can be greatly reduced and the visual imaging effect of the image light can be improved.

The utility model relates to the technical field of earphones, in particular to a decorative aperture and an earphone. A decorative aperture includes a decorative inner cover; the first circuit board is arranged on the decorative inner cover; a light guide ring, a reflective lens and a semi-transparent catadioptric lens are arranged in the decorative inner cover; the decorative outer cover is arranged on the decorative inner cover; and the light source on the first circuit board is emitted to the light guide ring. When the light source emits light, under the joint cooperation of the light guide ring, the reflective lens and the semi-transparent catadioptric lens, a part of light can be emitted from the semi-transparent catadioptric lens, a part of light is reflected to the reflective lens from the semi-transparent catadioptric lens and then is emitted from the semi-transparent catadioptric lens, and parallel light is imaged in human eyes and is not on the same plane. In the light reflection process, the light intensity is gradually weakened, so that a plurality of light rings which are sequentially weakened in brightness and are overlapped in parallel can be seen in vision, a three-dimensional effect is generated, and the light ring is more attractive and cool.

The invention discloses a multi-point distributed optical storage cooperative control method and device and a storage medium, and relates to the technical field of optical storage cooperative control, and the method comprises the steps: building an active anti-interference control model based on a virtual synchronous generator control principle according to the device parameters of each distributed optical storage system; constructing a voltage cooperative control model based on the Ressel invariance theorem; constructing an energy storage cooperative control model based on the energy storage charge state time sequence dependency relationship; a state space sharing strategy is utilized to associate the voltage cooperative control model and the energy storage cooperative control model to construct a cooperative control model; outputting an active disturbance rejection control strategy based on the active disturbance rejection control model; based on the disturbance elimination result, judging whether to call a cooperative control model to output a cooperative control strategy according to the power grid real-time operation data; and executing distributed optical storage control according to the active disturbance rejection control strategy or / and the cooperative control strategy. The method has the beneficial effect that the stability and adaptability of cooperative control of the distributed optical storage system are improved.

The invention relates to an optical system (10) comprising an energy input terminal (11) receiving optical energy from an optical energy source, a converter (12) configured to convert an analog electrical signal into a digital electrical signal, and at least one optical circuit (13) arranged electrically in series between said energy input terminal (11) and said converter (12). The distinguishing feature of the invention is that said optical circuit (13) comprises at least one optical receiver (131) including at least one electrode configured to convert the optical energy received from the energy input terminal (11) into an analog electrical signal; at least one resonance circuit (132) including a coil, a capacitor, and a resistor connected in parallel to one another and configured to process the electrical signal received from said optical receiver (131); and at least one amplifier (133) configured to amplify the processed electrical signal received from said resonance circuit (132).

The invention relates to the technical field of immunodetection, and discloses a tri-modal immunochromatography detection system based on bowl-shaped COF, the tri-modal immunochromatography detection system comprises a signal marker ABCPP, an immune probe, an LFIA test strip and a signal detection module; the signal marker ABCPP is composed of a bowl-shaped covalent organic framework, an aggregation-induced luminophor and mesoporous palladium-platinum nanoparticles. According to the invention, fluorescence enhancement of AIEgens and colorimetric and photothermal effects of mPdPt NPs are creatively integrated on a bowl-shaped COF single platform; the bowl-shaped COF not only serves as an optical cage to remarkably enhance fluorescence emission of BTDTA through space limitation, but also serves as optical energy gathering to enhance interaction between light and substances. In addition, energy transfer between the internal AIGens and the external mPdPt NPs synergistically amplifies the photothermal effect, so that the photothermal conversion efficiency is remarkably improved.

The invention discloses an optical fiber beam combination method, and relates to the technical field of optical fiber beam combination, and the method comprises the following steps: S1, selecting a plurality of optical fiber units to be combined, the optical fiber units being single optical fibers and / or combined optical fibers; s2, asynchronous coupling is carried out on a plurality of optical fiber units to be combined, in asynchronous coupling, two optical fiber units are combined, an output optical fiber after beam combination is used as an optical fiber unit and then combined with another optical fiber unit, and the rest can be done in the same manner until beam combination of all optical fiber units is completed; s3, packaging protection is carried out on the beam combining area; according to the invention, through an asynchronous coupling mode, the plurality of optical fiber units which are concentrated together for coupling are spatially dispersed, so that the problem of heat concentration is avoided, the upper limit of optical fiber coupling energy can be broken through, and the optical fiber units can be infinitely superposed within the limit of optical energy which can be borne by the optical fiber.

The application discloses an integrated tunable optical attenuator based on mode-circulating phase shift and reflection, comprising a single-mode optical waveguide, a 2*2 optical coupler, a high-order mode-circulating phase shifter and a waveguide optical reflector; wherein the 2*2 optical coupler is used for splitting the optical energy of the input port into two paths and outputting the optical energy into the high-order mode-circulating phase shifter, the high-order mode-circulating phase shifter uses the high-order mode selectivity of a mode coupler and the staggered arrangement of the mode order of a mode exchanger to make the optical field circulate in the high-order mode-circulating phase shifter for multiple times, thereby achieving the fold increase of the phase modulation efficiency; the waveguide optical reflector reversely couples the optical field modulated by the high-order mode-circulating phase shifter back to the high-order mode-circulating phase shifter, so that the optical field energy and information circulate in the high-order mode-circulating phase shifter for multiple times through the multimode optical phase shift arm, thereby further doubling the optical modulation efficiency.

A counter high-energy laser system directs high-intensity laser radiation back to a threat laser in the form of an ultra-short optical pulse (USP). The retro-directed USP induces permanent internal optical damage in the threat laser, thus disabling the threat by exploiting the very high optical gain at the source of an incoming laser thereby causing an injected pulse to grow exponentially in energy and peak power within the threat laser optical train until it reaches a damaging threshold. The existing optical energy from the threat laser system and stored in the laser beam from threat system is exploited thereby enabling the size, weight, and power of the counter laser system to be significantly reduced. The wavelength of the counter pulse is automatically matched to the threat.

The application provides a light spot center positioning method and a positioning system. The method is applied to a controller in a light spot center positioning system, and the positioning system further comprises a first optical energy sensor, a second optical energy sensor, a workbench and a light source. The method comprises the following steps: controlling the workbench to move in a spiral manner; determining whether the first optical energy sensor has entered a target range of a light spot according to a light intensity ratio of a corresponding position of each step; if yes, recording a first position where the first optical energy sensor is located and controlling the workbench to stop moving; taking the first position as a starting point, controlling the workbench to perform line scanning along a coordinate axis direction of a plane where the workbench is located, and determining an edge position of the light spot according to a light intensity ratio in the line scanning process; and positioning the center of the light spot according to the edge position of the light spot. In this way, the light spot center can be quickly and accurately positioned automatically under the starting working condition of any direction and position.

An all-fiber inline optical tap adopts a configuration of a side-pump signal-and-pump combiner with a double-clad fiber (DCF) and one or more multimode fibers (MMFs). DCF comprises a first cladding and a coupling portion, whereas each of MMFs comprises a taper portion fused around the coupling portion. MMFs are configured to extract a part of combined optical energy and a part of an optical signal leaking in the first cladding of DCF with a sampled optical power proportional to a fiber laser power in a propagating direction. By pre-selecting a proper taper slope of the taper portion and an embedded depth the MMFs fused and embedded in the coupling portion, the all-fiber inline optical tap can be built with a customized ratio used in fiber laser power monitoring, diagnostics, and controls of a fiber laser system.

The invention discloses a cross-medium virtual phased array communication system based on an MOPA laser and a scanning galvanometer, and relates to the technical field of communication. The system comprises an emission control subsystem (10), an optical path scanning subsystem (20), a photoacoustic conversion interface subsystem (30) and an underwater receiving subsystem (40) which are interacted in sequence, according to the method, an MOPA laser is controlled to emit low-repetition-frequency high-energy pulses, a galvanometer is used for deflecting laser beams to different positions on the surface of a dielectric layer, a time division multiplexing virtual sound source array is constructed, the dielectric layer efficiently converts light energy into point sound source signals, and a receiving end conducts time sequence alignment and superposition on the sound signals through the synthetic aperture focusing technology. The invention effectively overcomes the defects of low opto-acoustic conversion efficiency and uncontrollable beam in traditional cross-medium communication, realizes high signal-to-noise ratio directional communication without a physical array, and has the advantages of simple structure, low cost, flexible and reconfigurable beam pointing and the like.

The invention discloses a superspeed multichannel real-time fluorescent PCR circulation system based on photon heating and a detection method thereof, and belongs to the field of molecular biology detection and photon heating, the system comprises a photon heating module, a photothermal conversion layer, a reaction module, a cooling module, a fluorescent detection module and a control module. The photo-thermal conversion layer is used for absorbing light energy of the photon heating module and converting the light energy into heat energy; the reaction module comprises a plurality of capillary reactors which are fixed through clamps and are horizontally arranged, and capillary tubes are kept in contact with the photothermal conversion layer through the clamps; and the fluorescence detection module is used for carrying out fluorescence collection on partial volume in the heating area limited by the photothermal conversion layer. According to the invention, photothermal conversion and non-contact heating are combined with the horizontal capillary array, so that superspeed operation and multi-channel parallel detection of PCR temperature circulation are realized, and the system is simple in structure and low in cost.

The application belongs to the technical field of optical computing, and discloses a silicon-based integrated all-optical deep neural network chip, a training method thereof and an intelligent device. The chip comprises an input layer, an output layer and a plurality of fully connected layers. Each fully connected layer and the output layer comprise a beam splitter, a microcavity array and a nonlinear gain unit. The beam splitter divides each wavelength signal output by the previous layer into M parts. Different rows of the microcavity array are used to load weights on the different parts of the divided signals. The nonlinear gain unit is used to perform nonlinear optical amplification calculation on each column to generate a regenerated signal. Each fully connected layer uses a wavelength division multiplexing unit to multiplex the regenerated signal onto one waveguide and transmit it to the next layer. The output layer uses a photodetector array to perform photoelectric conversion on the regenerated signal to obtain an inference result. Based on the above structure, multi-layer high-dimensional optical matrix calculation can be realized, the problem of multi-layer cascaded optical energy attenuation can be solved, and the function of a multi-layer cascaded nonlinear activation function can be realized.

According to the FSO system visual feedback alignment device based on multi-optical-axis rigid integration, the independent optical axis design is adopted, no spectroscope is arranged in a signal receiving main link, zero-loss receiving of light energy is achieved, the sensitivity of a communication system is remarkably improved, the communication distance of the communication system is remarkably increased, and energy efficiency maximization is achieved. In order to solve the parallax problem caused by an independent optical axis, a dynamic aiming circle is designed, and zoom self-adaptive'dynamic aperture 'aiming can be achieved. The upper computer calculates and draws a circle representing an optimal power point in real time according to the current camera magnification, and a user does not need to care about a specific angle value and only needs to move a beacon light spot into the circle, so that accurate alignment can be realized. A zoom camera structure is adopted, the contradiction that a single focal length cannot give consideration to near-field wide-angle search and far-field long-focus identification is solved, a target can be seen clearly through zoom under different communication distances, and the alignment precision is ensured through an algorithm.

The utility model relates to the technical field of electronic scales, and discloses a foldable optical energy electronic scale comprising an electronic scale body, two sides of the electronic scale body are both provided with contraction grooves, folding plates are slidably connected in the contraction grooves, two ends of the electronic scale body are both provided with adjusting grooves, and adjusting blocks are slidably connected in the adjusting grooves. A straight groove is formed in the bottom of the folding plate, an inserting groove is formed in one end in the straight groove, and a penetrating groove is formed in the top end in the adjusting groove. According to the foldable optical energy electronic scale, a worker pushes an adjusting block into an adjusting groove, the adjusting block drives an inserting block to move when moving, the inserting block is made to move into a straight groove, limiting between the inserting block and an inserting groove is released, the worker pulls a folding plate, the folding plate is unfolded, and the inserting block and the inserting groove are limited again; through the above arrangement, the electronic scale body can be contracted and folded by a worker.

The invention discloses an asymmetric scattering myopia control lens and a manufacturing method thereof, which are applied to the optical field, firstly, the problem that an optical defocus signal is not matched with an actual visual task mode in the prior art is solved by accurately associating optical scattering intensity with a human visual behavior thermodynamic diagram; a stronger myopia out-of-focus signal is provided in a short-distance reading area used by a wearer at high frequency, the myopia control effect is effectively enhanced, high definition is maintained in a long-distance watching area, unnecessary visual interference and comfort reduction are avoided, secondly, waste of optical resources in an existing rotational symmetry design is avoided due to the adoption of the asymmetric design, and the cost is reduced. According to the lens structure, optical energy is distributed according to needs, precise free-form surface machining and micro-nano machining technologies are combined, high-precision manufacturing of an asymmetric microstructure is ensured, smooth transition of scattering intensity between different optical areas is achieved, and finally the innovative lens structure with myopia control efficiency and visual comfort is provided.

The invention relates to the technical field of trace gas optical sensing, in particular to a photoacoustic spectrometry gas detection system and method based on a hollow-core optical fiber and a quartz tuning fork, and the system comprises a signal generation module, a laser modulation module, a hollow-core optical fiber enhanced detection module and a signal processing module, the system performs long-range interaction with to-be-measured gas in the hollow-core optical fiber by modulating laser, thermal expansion generated after light energy is absorbed is transmitted to the mechanically coupled quartz tuning fork through the optical fiber wall, the quartz tuning fork converts vibration into an electric signal through a piezoelectric effect, and finally the gas concentration is obtained through treatment. According to the invention, the bottleneck that the optical path is limited in the traditional technology is broken through, the detection sensitivity is greatly improved, and the application potential in trace and complex environment gas detection is expanded.

A remote optical path switching node 10 disposed at a connection point between optical fibers includes an optical switch unit 11 that switches connection of core wires of optical fibers connected to ports, a photoelectric conversion element 13 that photoelectrically converts feeding light into electric energy, an optical power supply capacitor 14 that stores the electric energy obtained by performing the photoelectric conversion by the photoelectric conversion element 13, a manhole power generation capacitor 15 that stores electric energy supplied from a power generation unit 30, and a remote control unit 16 that supplies electric energy from at least one of an optical power supply capacitor 14 and the manhole power generation capacitor 15 to the optical switch unit 11 and controls the optical switch unit 11 to switch connection of the core wires between the optical fibers.

The invention relates to a method and a device for projecting a laser image (18) on a workpiece (22). The method comprises the following steps: providing a laser projection system (10) having a laser projection unit (11) by means of which a laser beam (14) can be generated; a deflection device (16), by means of which the radiation angle of the laser beam (14) can be adjusted and by means of which at least one light-sensitive detection device (13) can be detected, the laser projection system (10) comprising a plurality of light-emitting devices (15), by means of which light detected by the detection device (13) can be generated, and wherein the light-emitting devices (15) are arranged such that the light-sensitive detection device (13) can be detected by means of the deflection device (16). The lighting means (15) each have a control unit, by means of which the lighting means (15) can be activated and deactivated; arranging the light-emitting device (15) on the workpiece (22) and / or in a fixed positional relationship with the workpiece (22) in such a way that light energy generated by means of the light-emitting device (15) is detected by means of the detection device (13); activating one or more light-emitting devices (15) in such a way that the activated light-emitting devices (15) emit light that can be detected by means of the detection device (13); detecting light emitted by at least some of the activated light-emitting devices (15) by means of the detection device (13); determining a spatial relationship between the workpiece (22) and the laser projection unit (11), the spatial position of the lighting device (15) detected by means of the detection device (13) being evaluated in order to determine the spatial relationship between the workpiece (22) and the laser projection unit (11); a laser projection is generated on the basis of the determined spatial relationship between the workpiece (22) and the laser projection unit (11).

The utility model relates to the technical field of safety monitoring, in particular to an intelligent video monitoring system for high points in an industrial park. Comprising an optical energy perimeter monitoring module used for acquiring a thermal imaging video of an intrusive object and outputting an induction electric signal; the video acquisition module is used for acquiring a panoramic video of the perimeter and outputting a panoramic video digital signal; the edge data processing module is electrically connected with the optical energy perimeter monitoring module through a switch, and is used for reinforcing the induction electric signal and converting the induction electric signal into a thermal imaging video digital signal; and the image processing module is respectively connected with the optical energy perimeter monitoring module and the edge data processing module through a category 5 enhanced network cable, and is used for receiving the thermal imaging video digital signal and the panoramic video digital signal and displaying the thermal imaging video and the panoramic video on a display interface of the upper computer. The problem that the monitoring effect is poor due to the influence of a complex environment is solved, all-weather monitoring on the perimeter of the industrial park is achieved, and illegal targets are tracked in real time.

The invention discloses a composite light type solder ball bonding device, which relates to the technical field of solder ball bonding and comprises a solder ball storage tank, a ball distributing device, a welding nozzle, a main optical fiber, a lens assembly, a beam combining lens and a side optical fiber. The ball separating device is connected below the solder ball storage tank and is used for separating the solder balls one by one and conveying the solder balls to the welding nozzle; the main optical fiber is arranged above the welding nozzle and is used for irradiating the first laser beam to the solder ball along a first light path; the lens assembly is arranged between the main optical fiber and the welding nozzle and is provided with a main optical path channel and a lateral channel intersected with the main optical path channel at an angle; the beam combining lens is obliquely arranged at the intersection; the side optical fiber is arranged on one side of the main optical fiber, the tail end of the side optical fiber is in coaxial butt joint with the side channel and used for allowing a second laser beam to enter along a second light path, and the second laser beam irradiates the same solder ball in the direction coaxial with the first light path after being reflected by the beam combining lens. The laser beams with different wavelengths are coaxially compounded, so that the light energy absorptivity and the welding efficiency of different materials can be improved.

A method for opto-acoustic imaging with a probe includes delivering a first pulse of optical energy to an optically absorbing volume with the probe at a first configuration proximate to the volume; receiving acoustic responses of the first pulse from the probe; delivering a second pulse of optical energy to the volume with the probe at a second configuration proximate to the volume; receiving acoustic responses of the second pulse from the probe; computing a probe configuration estimate using the acoustic responses of the first and second pulses; computing an image of the volume using the computed estimate and the acoustic responses of the first and second pulses; and, displaying the image to a display.

Techniques for operating an optical energy system include operating an optical energy system to generate a laser beam from a laser device, where the optical energy system including an array of sensors radially positioned apart from a path of the laser beam; capturing, with each of the sensors, energy scattered from a transversal energy distribution of the laser beam; outputting, from each of the sensors, an electric current at a value in proportion to the captured energy; aggregating, with a laser control system, the output electric currents from the sensors into a time-dependent array of electric current values; determining, with the laser control system, an anomaly in the laser beam based on at least one of (i) a shape of the laser beam, or (ii) digitized output electric current data from the electric current values; and controlling, with the laser control system, the laser device based on the determined anomaly in the laser beam.

The invention relates to a laser wireless charging system and method in a composite cavity based on a semiconductor array, the system comprises a transmitting end and a receiving end, the transmitting end comprises a plurality of semiconductor lasers, a plurality of collimating lenses, a plane mirror and a thin lens, the semiconductor lasers, the collimating lenses and the plane mirror form a main resonant cavity unit, and the thin lens forms a main resonant cavity unit; the plane mirror and the thin lens form a first reflex reflector; the receiving end comprises a thin lens, a plane mirror and a photovoltaic cell, the thin lens and the plane mirror form a second reflex reflector, and the photovoltaic cell is used for absorbing the transmission laser of the emergent light beam of the main resonant cavity and converting the power of the transmission laser into electric energy; the first reflex reflector and the second reflex reflector form a free space resonant cavity, and optical energy feedback and transmission between the transmitting end and the receiving end are achieved. Compared with the prior art, the safety and multi-device compatibility of the system in a dynamic charging scene are improved.