29 results about "Energy modulation" patented technology

The invention discloses a high-efficiency laser interference transmit-receive color separation film with good space environment tolerance, which belongs to the technical field of optical thin films and is characterized in that a multifunctional beam splitting film is plated on the front surface of a fused quartz substrate, and a thermal stress compensation-free antireflection film is plated on the back surface of the fused quartz substrate. A front film system adopts TiO2 and SiO2 as high and low refractive index materials, and a main film system based on a rear cut-off filter superposed multi-layer energy regulation and control structure is designed, so that efficient reflection of 1550 + / -10nm laser is realized; and a half-wave hole is eliminated by matching an asymmetric equivalent layer, so that neutral light splitting at the wave band of 750-900nm is realized. The back film is composed of Ta2O5 and SiO2, so that the residual reflection (ghost image) is efficiently eliminated, and the surface distortion caused by the front film layer is compensated. The laser interference transmit-receive color separation film is good in spectrum stability, can tolerate a severe environment directly exposed in a geostationary orbit, and can also be used for spectrum and energy regulation and control of other laser ranging cameras.

This invention relates to an extreme ultraviolet (EUV) light source device, comprising a seed laser generator, an electron source, an electron linear accelerator, a first modulation section, a first dispersion section, a second modulation section, a second dispersion section, and an amplifier. A first electron beam generated by the electron source is accelerated by the electron linear accelerator to form a second electron beam. The seed laser generator generates a seed laser, and both the seed laser and the second electron beam are injected into the first modulation section to induce a first energy modulation in the second electron beam, resulting in a third electron beam. The first dispersion section compresses the third electron beam to form a fourth electron beam. The second modulation section induces coherent radiation in the fourth electron beam, which is then subjected to a second energy modulation by the coherent radiation to form a fifth electron beam. The second dispersion section compresses the fifth electron beam to form a sixth electron beam. The amplifier causes the sixth electron beam to radiate and emit kilowatt-level EUV light. The EUV light source device of this invention can generate EUV light with an average power in the kilowatt range and has a compact structure.

The invention relates to the technical field of radio frequency treatment and medical monitoring, and discloses an AI-based radio frequency detection treatment system and method. The method comprises the following steps: establishing a time-sharing direct-current measurement channel in a radio frequency output intermittent period, applying stepped direct-current excitation, and synchronously collecting tissue voltage response and deformation images. The structure displacement is analyzed according to the image, and a dynamic impedance mapping relation is established by combining a voltage signal. The relation is input into a pre-trained deep learning network, and the network generates an energy deposition distribution diagram and a tissue denaturation state distribution diagram in the treatment area through interactive calculation of a tissue state evolution reasoning branch and a thermal diffusion simulation branch. And calculating a radio frequency energy initial parameter of a next period based on the former, identifying an under-treatment sub-region based on the latter, and comprehensively generating a composite radio frequency control instruction containing a space-time energy modulation scheme. According to the invention, precise monitoring and self-adaptive intelligent regulation and control of the treatment process are realized.

The application discloses a kind of fast energy regulation system and proton radiotherapy device for proton radiotherapy, belong to medical equipment technical field, including first quaternary iron, energy switching device and momentum cooling device sequentially arranged on energy beam transmission line, energy switching device includes sequentially connected first impact magnet, second quaternary iron, second impact magnet, energy switching energy reducer, third impact magnet and fourth impact magnet, first impact magnet is connected with first quaternary iron, fourth impact magnet is connected with momentum cooling device, energy switching energy reducer is one-piece wedge structure, it includes low-energy beam energy reduction zone, ideal beam energy reduction zone and high-energy beam energy reduction zone.It is simple in structure, energy switching time is short, transmission efficiency is high, and it can safely and efficiently transmit energy divergence less than 15%, energy is 70-230MeV proton, and transmission efficiency can reach 5%.

A method for increasing emission output from an energy modulation agent, involving:drying the energy modulation agent in particulate form to reduce moisture level of the energy modulation agent by at least 25% to provide a dried energy modulation agent; andcoating the dried energy modulation agent with a coating having high transmissibility at a wavelength of primary emission from the energy modulation agent upon excitation,and energy modulation agents prepared thereby.

This application discloses a method, apparatus, electronic device, and storage medium for widening the frequency band of seismic data. The method includes: acquiring a second frequency spectrum with an effective bandwidth from a first frequency spectrum of the original seismic data in a target area; identifying coherent components of the second frequency spectrum at different frequencies; determining the energy weighting coefficients of the coherent components based on the expected bandwidth and effective bandwidth of the original seismic data; performing energy modulation on the coherent components based on the energy weighting coefficients to obtain modulated coherent components; identifying a third frequency spectrum after bandwidth widening based on the modulated coherent components and the second frequency spectrum; and performing time-frequency analysis and inverse transformation processing on the third frequency spectrum to obtain the bandwidth-widened seismic data corresponding to the original seismic data. This effectively widens the frequency band of seismic data while ensuring the signal-to-noise ratio of the seismic data, thereby improving the accuracy of identifying oil and gas target areas.

This invention discloses an adaptive compensation voltage divider device based on self-powered bushing end screen. It includes an energy acquisition module that obtains displacement current from the bushing end screen side as power for the voltage monitoring device, and uses a clamping network to protect the circuit from overvoltage damage, converting the AC signal into DC energy. A modulation output module adjusts the equivalent impedance according to the characteristics of the downstream load to optimize power conditions, stores electrical energy, and outputs a measurement signal corresponding to the bushing operating voltage in a timely manner. An adaptive compensation module calculates the operating voltage based on the voltage sampling signal, dynamically updates the compensation coefficient to ensure the accuracy and stability of the voltage divider ratio, and monitors system status feedback information to update the compensation parameters. Implementing this device ensures the accuracy and stability of voltage monitoring, eliminates interference from external leads, and significantly improves the system's anti-interference capability and long-term operational reliability.

The invention discloses a red up-conversion luminescence nanometer material obtained through energy allocation and a preparation method and application thereof, and belongs to the technical field of up-conversion luminescence materials.According to the nanometer material, NaYF4 serves as a passivation core and a passivation shell on the outermost layer at the same time, NaErF4 serves as a matrix, NaYF4 serves as a passivation shell on the outermost layer, and NaYF4 serves as a passivation shell on the outermost layer and NaYF4 serves as a passivation shell on the outermost layer. Yb < 3 + > is introduced as a sensitized ion, and an active shell layer and a NaYF4: Yb sublattice shell layer of a Tm < 3 + > energy capture center are introduced. The NaYF4 passivation core and the passivation shell are utilized to effectively reduce energy loss, so that energy is recycled between the first shell layer and the second shell layer as far as possible, and 654 nm high-intensity red up-conversion emission light emitted by Er < 3 + > is finally obtained under the excitation conditions of 980 nm and 1532 nm through energy migration of Yb < 3 + >, energy back transfer of Yb < 3 + > to Er < 3 + > and the energy capture center effect of Tm < 3 + >.

The application discloses a WSS port diffraction energy phase modulation method, device, medium and product, relates to the wavelength selective switch port diffraction energy modulation technical field, and the method comprises the following steps: respectively inputting a plurality of groups of combinations into a synthetic phase topography expression, obtaining the synthetic topography of a blazed grating under each combination; the combination comprises the harmonic order of the harmonic component, the phase of the harmonic component and the amplitude of the harmonic component; the synthetic topography of the blazed grating under each combination is simulated in simulation software, and the diffraction energy of a target port under each combination is obtained; according to the diffraction energy of the target port under each combination, the diffraction energy of the target port is adjusted, and the application realizes fine adjustment of the wavelength selective switch main energy level port diffraction energy.

The invention discloses a WSS port diffraction energy modulation method, system, device and medium, and relates to the field of communication, the method comprises the following steps: obtaining a synthetic phase morphology through an initial phase morphology and a sinusoidal phase morphology, simulating the synthetic phase morphology to obtain the energy ratio of each order of diffraction energy level of a target port under each group of parameter combinations, and calculating the energy ratio of each order of diffraction energy level of the target port; constructing an initial data set, and aiming at a given target main energy level, designing a target function according to the energy ratio of each order of diffraction energy level; and iterative calculation is carried out through Bayesian optimization until the sine parameter subjected to simulation verification can enable the main energy level to approach any target main energy level value with given precision, and meanwhile, it is ensured that the energy ratio of the corresponding diffraction energy level meets the crosstalk requirement.

According to the variable-curvature girth welding device based on laser arc complex coaxial energy modulation, through reasonable distribution and arrangement of energy of three beams of auxiliary laser and main laser, the problem that energy focusing of variable-curvature welding is too large is effectively solved, and the welding seam forming quality is remarkably improved; a real-time monitoring system combining temperature sensing and visual sensing is adopted, welding parameters and the like are rapidly and accurately regulated and controlled through a central controller, accurate control over the complex curved surface welding process is achieved, in the actual welding process, all heat source systems and wire feeding mechanisms are started, the welding parameters are initialized, and the welding quality is improved. The coaxial infrared thermometer and the visual sensor continuously monitor the state and curvature change of a molten pool, the central controller automatically adjusts laser power and electric arc parameters according to real-time temperature data, and particularly when an area with large curvature change is welded, energy distribution is compensated through three beams of auxiliary laser, so that the welding quality is improved. The defects such as poor welding seam forming and splashing are effectively inhibited.

The invention discloses an intelligent power distribution system and method, and the method comprises the steps: collecting and processing multi-source data, constructing an input sample set, segmenting a load and a power supply, and generating a mapping matrix; a physical constraint graph neural ODE model processes a sample set, an input layer introduces a mapping matrix, and an extended prediction result is output; an extended prediction result is input into a modulation module, a mapping matrix executes cross-phase scheduling, and a scheduling scheme is generated; according to a double-time-domain event triggering mechanism regulation scheme, slow loop rolling optimization and fast loop fast regulation, a regulation instruction is generated; a scheduling scheme and a regulation and control instruction are issued, and the power distribution controller, the energy storage device and the phase modulator execute operation; and collecting execution feedback, updating the ODE model, the mapping matrix and the event threshold, and forming a self-adaptive closed loop. According to the method, intelligent, controllable and efficient operation of the distributed power distribution system is realized through segmented phase energy modulation, physical constraint graph neural ODE modeling and a double-time-domain event triggering mechanism.

Described herein are systems and methods for sorting and selecting cells by immobilizing or enclosing cells in degradable hydrogel chambers, including a method of sorting cells comprising: (a) providing a fluidics device comprising: (i) a channel comprising a surface, (ii) a spatial energy modulation element in optical communication with the surface, and (iii) a detector in optical communication with the surface and in operable association with the spatial energy modulating element, the detector identifying cells and determining positions thereof on the surface; (b) loading the channel with cells and one or more polymer precursors so that the cells are disposed on or adjacent to the surface; (c) immobilizing one or more cells selected based on one or more optical signals therefrom by synthesizing one or more gel structures enclosing each of the one or more cells by projecting light into the channel with the spatial energy modulating element such that the projected light causes cross-linking of the one or more polymer precursors to form gel structures, wherein the positions of the gel structures in the channel are determined by the positions of the cells enclosed thereby identified by the detector; and (d) removing from the channel unselected cells.

The invention discloses a laser processing method for carrying out three-dimensional point carving inside an ice block. According to the method, an ice blank is fixed in a sample clamp in a low-temperature constant-temperature cavity, and after a short-pulse laser is adjusted by an energy modulator, the ice blank is guided by a galvanometer / scanning unit according to a preset path and is accurately focused to a specified point in the ice blank by a low-temperature compatible focusing objective lens, so that micro-bubbles or microstructures are locally generated to realize three-dimensional point carving. The on-line monitoring camera and the acoustic / temperature sensor collect the inscribing effect and the ice blank state in real time, and the control system carries out closed-loop adjustment on laser energy, a scanning track and a focusing position based on feedback signals so as to improve the inscribing precision and reduce the risk of cracks and thermal damage. According to the invention, high-resolution and low-heat-influence three-dimensional point carving processing can be realized in the ice block, and the method is suitable for decoration, identification, functional microstructure preparation and other applications.

The application relates to the technical field of radio frequency treatment and medical monitoring, and discloses an AI-based radio frequency detection and treatment system and method. The method comprises the following steps: establishing a time-sharing direct current measurement channel during a radio frequency output intermittent period, applying a step direct current excitation, and synchronously collecting tissue voltage response and deformation images. According to image analysis of structural displacement, dynamic impedance mapping relationship is established in combination with voltage signals. The relationship is input into a pre-trained deep learning network, the network generates an energy deposition distribution map and a tissue degeneration state distribution map in the treatment area through the interactive calculation of the tissue state evolution reasoning branch and the heat diffusion simulation branch. Based on the former, the initial parameters of the next cycle radio frequency energy are calculated, based on the latter, the sub-regions of under-treatment are identified, and the composite radio frequency control instruction containing the time-space energy modulation scheme is comprehensively generated. The application realizes accurate monitoring and adaptive intelligent regulation and control of the treatment process.

This invention discloses a high-energy hydroelectric detonation method using composite power pulse modulation, mainly comprising composite power modulation, load energy modulation, shock wave waveform modulation, and shock wave loading modulation. In composite power modulation, a composite power pulse is formed by superimposing a high-amplitude short-pulse pulse with a low-amplitude long-pulse pulse. In load energy modulation, a rapid phase transition of the metal wire is achieved through the high-amplitude component of the composite power pulse, and the plasma channel is maintained through the long-pulse component, igniting the metal powder to release energy. In shock wave waveform modulation, a high-amplitude shock wave is generated during the rapid phase transition stage of the metal wire, and a large-impulse shock wave is generated during the plasma channel expansion stage and the metal powder combustion stage; these two components are superimposed to regulate the shock wave waveform. In shock wave loading modulation, the intensity of the composite shock wave is adjusted according to measured rock parameters; the high-amplitude component is used to induce rock fracturing and reduce rock strength, while the large-impulse component is used to expand the fracturing range, achieving controllable rock fracturing.

This invention discloses an intelligent power distribution system and method, comprising: collecting and processing multi-source data to construct an input sample set, segmenting loads and power sources, and generating a mapping matrix; processing the sample set using a physical constraint graph neural ODE model, introducing the mapping matrix into the input layer, and outputting extended prediction results; inputting the extended prediction results into a modulation module, using the mapping matrix to perform cross-phase scheduling and generate a scheduling scheme; implementing a dual-time-domain event-triggered mechanism control scheme, with slow-loop rolling optimization and fast-loop rapid adjustment to generate control commands; issuing the scheduling scheme and control commands, with the power distribution controller, energy storage device, and phase modulator executing the operations; collecting execution feedback, updating the ODE model, mapping matrix, and event thresholds to form an adaptive closed loop. This invention achieves intelligent, controllable, and efficient operation of a distributed power distribution system through segmented phase energy modulation, physical constraint graph neural ODE modeling, and a dual-time-domain event-triggered mechanism.

A transmitter device includes a signaling modulation module, an energy modulation module, and an antenna element. The signaling modulation module is configured to generate a narrowband modulation signal that carries signaling. The signaling includes an indication for a correspondence between a first resource and a receiver device. The first resource is scheduled based on a pre-received charging request signal from the receiver device. The energy modulation module is configured to perform amplitude and phase adjustment on the narrowband modulation signal based on the pre-received charging request signal to form an energy transmission signal. The antenna element is configured to transmit the energy transmission signal on the first resource to charge one or more receiver devices.

The application discloses and provides a power device laser welding process with high welding quality and being beneficial to realizing automatic flexible production of a production line. The application uses a laser welding system, and the power device laser welding process comprises the following steps: ①editing a track of a galvanometer control card through a PC industrial computer; ②editing laser energy modulation of a laser control card through the PC industrial computer; ③placing an IGBT module on a jig below a galvanometer module, and making a copper key pin of the IGBT module abut against a copper layer of a copper-clad plate of the IGBT module; ④controlling the galvanometer module to realize swing welding through the galvanometer control card, and synchronously modulating power of a green light continuous laser according to a swing position period, so that the modulated laser is shot on the copper key pin, and the copper key pin is fused on the copper layer of the copper-clad plate. The application is applied to the technical field of the power device laser welding process.

The invention discloses a three-dimensional diffraction female die high-speed direct writing system based on dynamic focusing, which relates to the technical field of laser direct writing and comprises a data processing module, a focusing control module, an energy modulation module, a scanning execution module, an error sensing module and an error compensation module. The data processing module receives three-dimensional point cloud data, the optimal focusing position is calculated according to the local curvature of a current scanning point, and the focusing control module drives the piezoelectric ceramic micro-displacement table to enable a focus to accurately fall on the surface of the scanning point; the error sensing module synchronously collects actual light spot center coordinates when laser pulses are emitted every time, and the error compensation module corrects driving voltage through closed-loop control after comparison so as to eliminate focus drift. All the modules of the system work cooperatively, precise matching of focuses and scanning point contours is achieved, error accumulation is avoided, the direct writing speed and precision are considered, high-speed precise direct writing of the three-dimensional diffraction female die is achieved, the direct writing spatial resolution and the contour recarving precision are improved, and the stability of the focuses is guaranteed.

The application discloses a kind of 3D printing data detection methods, it is related to 3D printing detection technical field, comprising the following steps: S1, the three-dimensional model to be printed is sliced and layered, obtains several two-dimensional cross section graphics;S2, to several two-dimensional cross section graphics is laser scanning printing, generates energy modulation term and molten pool dynamic modulation term, obtains the metal printing risk quantization value of each two-dimensional cross section graphic;S3, according to the metal printing risk quantization value of each two-dimensional cross section graphic, determines printing fault detection result.The application comprehensively considers laser energy density variation rate, powder layer thickness, laser effective area, molten pool solidification time and other key process parameters, the influence of energy input stability on unmelted risk is described by energy modulation term, the role of overmelting risk is reflected by molten pool dynamic modulation term, and the core influencing factors of printing quality are comprehensively covered, to provide more reliable basis for fault prediction.

The present application relates to a kind of broadband mixed ion beam irradiation device, comprising: cocktail beam generation and preaccelerator, for generating mixed cocktail beam flow, and the mixed cocktail beam flow is accelerated;Energy modulator, the mixed cocktail beam flow from the generation and preaccelerator of cocktail beam is modulated;Beam transport line, receive the mixed cocktail beam flow modulated by energy modulator;And high frequency controller, the voltage and phase of the cavity of energy modulator are uniformly adjusted step by step, change cavity acceleration gradient, to carry out periodic energy modulation to mixed cocktail beam flow.It also relates to a kind of broadband mixed ion beam irradiation method, compared with prior art, can provide more extensive irradiation conditions.

The application relates to the technical field of MEMS probes, and discloses a MEMS probe laser etching method and device and a MEMS probe, wherein the method comprises the following steps: performing single-pulse ablation test on a probe material, measuring a single-pulse safe ablation depth and corresponding first-path reference pulse energy, and establishing a path-by-path decreasing formula; modulating laser output energy to the first-path reference pulse energy, performing first-path femtosecond pulse scanning etching on the probe material, and calculating a second energy decreasing rate; calculating single-pulse energy of a second path to an Nth path based on the path-by-path decreasing formula and the second energy decreasing rate, and sequentially performing second-path to Nth-path scanning etching after inter-path cooling and waiting; when each i-path scanning is performed, the single-pulse energy is decreased according to the path-by-path decreasing formula, and the pulse repetition frequency is increased according to an increasing coefficient, and the scanning etching of the second path to the Nth path is sequentially completed; and the method solves the problems of tip overburning and root underburning caused by traditional single-energy scanning.

The application relates to the technical field of industrial nondestructive testing, and discloses an industrial surface defect pure infrared light scanning detection system which comprises optical acquisition, frequency domain equalization, energy modulation, ratio construction, matrix decomposition and defect output modules. The system acquires first and second light source reflection signals and dark field noise signals in time sequence; a frequency domain equalization module constructs a space-variable equalization kernel, filters the second light source reflection signal from which the dark field noise is removed to realize frequency alignment; a ratio construction module calculates dark field thermal drift variance to generate a dynamic sparse penalty parameter, and combines the aligned signal to construct differential ratio data to generate a two-dimensional observation matrix; a matrix decomposition module decomposes the observation matrix by using a space weight matrix and the penalty parameter to output a sparse anomaly matrix; and a defect output module binarizes the anomaly matrix and maps and outputs physical coordinates. The application adaptively suppresses detector thermal drift noise, offsets material emissivity interference, eliminates space spread difference, and improves defect extraction precision under a complex background.

The application relates to the technical field of MEMS probes, and discloses a MEMS probe laser etching method and device and a MEMS probe, wherein the method comprises the following steps: performing single-pulse ablation test on a probe material, measuring a single-pulse safe ablation depth and corresponding first-path reference pulse energy, and establishing a path-by-path decreasing formula; modulating laser output energy to the first-path reference pulse energy, performing first-path femtosecond pulse scanning etching on the probe material, and calculating a second energy decreasing rate; calculating single-pulse energy of a second path to an Nth path based on the path-by-path decreasing formula and the second energy decreasing rate, and sequentially performing second-path to Nth-path scanning etching after inter-path cooling and waiting; when each i-path scanning is performed, the single-pulse energy is decreased according to the path-by-path decreasing formula, and the pulse repetition frequency is increased according to an increasing coefficient, and the scanning etching of the second path to the Nth path is sequentially completed; and the method solves the problems of tip overburning and root underburning caused by traditional single-energy scanning.

This invention discloses a variable curvature circumferential weldment device based on laser-arc composite coaxial energy modulation. By rationally distributing and arranging the energy of three auxiliary lasers and the main laser, it effectively solves the problem of excessive energy focusing in variable curvature welding, significantly improving weld formation quality. Combined with a real-time monitoring system of temperature and vision sensors, the central controller rapidly and accurately adjusts welding parameters, achieving precise control of the welding process on complex curved surfaces. In the actual welding process, by activating each heat source system and wire feeding mechanism, welding parameters are initialized. The coaxial infrared thermometer and vision sensor continuously monitor the state of the molten pool and curvature changes. The central controller automatically adjusts the power of each laser and arc parameters based on real-time temperature data. Especially when welding areas with large curvature changes, the three auxiliary lasers compensate for the energy distribution, effectively suppressing defects such as poor weld formation and spatter.

Provided are: a particle beam irradiation apparatus that makes it possible to shorten the distance between a patient and an irradiation field forming appliance of the particle beam irradiation apparatus; and an energy modulation device for use in the particle beam irradiation apparatus. This energy modulation device is for use in a particle beam irradiation apparatus 10 which transports, by using a beam transport line 2, charged particle beams extracted from an accelerator 1 and which performs irradiation by a scanning method by using scanning electromagnets 4, 5. In other words, the energy modulation device is a ripple filter 7. The ripple filter 7 comprises filter members 70 each having a plurality of opening parts 72 which penetrate in the thickness direction and through which at least some of the charged particle beams pass. Two or more of the filter members 70 are disposed so as to be laminated in the thickness direction.

The invention discloses a new energy carbon-based material purification process monitoring system based on spectral analysis, and relates to the field of purification process monitoring, and the system comprises a sampling module which is used for carrying out stratified sampling on a material in each reaction area in a purification process and synchronously carrying out gradient dispersion pretreatment on a sampled sample; the excitation module is used for emitting a laser beam with periodic energy modulation to the pretreated sample so as to excite an impurity characteristic spectrum; according to the invention, through spectrum fusion and dynamic regulation and control logic, full-flow accurate monitoring of new energy carbon-based material purification is realized, structural signal difference is amplified by means of interference effect of coherent light beams with specific frequency, impurity form conversion is analyzed by combining with a third derivative spectrum, and multi-dimensional parameters are converted into process regulation instructions through a three-dimensional regulation matrix.

The invention relates to the technical field of laser shock peening processing, solves the technical problems that in the traditional laser shock peening processing process, regulation and control are difficult to be compatible with equipment under the multi-scene and cross-size conditions, and particularly relates to a high-adaptability laser shock peening device. Comprising a laser and an energy attenuation module composed of a half-wave plate and a polaroid, and after laser beams emitted by the laser pass through the energy attenuation module to achieve energy adjustment of incident laser, the laser beams pass through a light spot size regulation and control system, a space energy modulation system and a beam splitter and then are incident to the surface of a machined sample attached with an absorption layer. High-adaptability laser shock peening processing can be carried out on any metal and alloy elements, and the laser shock peening method has very high applicability, so that laser shock peening processing on processing samples with different sizes, different structures and different morphological characteristics is realized, the element performance is improved, and the service life of the element is prolonged.