52 results about "Continuous irradiation" patented technology

A laser annealing system and a laser annealing method are provided. A laser annealing system for annealing a thin film by irradiating the thin film on a substrate with a pulsed laser light, the laser annealing system comprising: a laser device for outputting the pulsed laser light; an optical system that irradiates the thin film with pulse laser light; and a processor that performs control to irradiate the same portion of the thin film with the pulsed laser light by performing burst irradiation in which a burst period in which the pulsed laser light is continuously irradiated and a suppression period in which the irradiation of the pulsed laser light is suppressed are repeated.

The invention relates to the technical field of semiconductor technologies, and provides a laser annealing breakpoint supplementary scanning method and device, electronic equipment and laser annealing device.The method comprises the steps that under the condition that alarm information or abnormal information of the laser annealing technology of a target object is received, a laser is controlled to be shut down, and current position information of a motion table system is recorded; and initial position information can be provided for subsequent complementary scanning. Under the condition that the laser is determined to be shut down, the motion platform system is controlled to stop moving, and heat accumulation caused by continuous irradiation of the laser on the target object is avoided. The current position information of the motion platform system is utilized, and the breakpoint repairing formula of the laser annealing process is automatically generated in combination with the original formula of the laser annealing process, so that the generation efficiency can be improved, and the generation error can be reduced. Under the condition that the breakpoint complementary scanning signal of the target object is received, breakpoint complementary scanning is performed on the target object from the breakpoint position information of the laser annealing process of the target object by using the breakpoint complementary scanning formula, so that the accuracy of a complementary scanning result can be improved.

This invention discloses a low-energy laser pretreatment method for enhancing the paracrine function of mesenchymal stem cells. Specifically, the method includes irradiating human umbilical cord mesenchymal stem cells with an 808nm laser. The irradiation parameters are: output power density, irradiation time of 60-120 s per irradiation, continuous irradiation of cells for 3 days, and irradiation twice a day.

The invention discloses a pulsed light hair removal system based on spectrum conversion and a control method thereof. The system comprises a pump light source module, a spectrum conversion module, an image acquisition module and a processor. The system provided by the invention has a pixel-level accurate control capability, the accuracy is greatly improved compared with the traditional IPL, and pixel-level energy self-adaption is realized, so that personalized treatment is supported. The system also supports sliding continuous irradiation, can greatly shorten the treatment time, has the advantages of high energy efficiency ratio, small invalid irradiation area, low pain feeling and the like, and can effectively reduce unnecessary thermal stimulation.

The invention belongs to the field of X-ray long-afterglow luminescent materials. The technical problems that traditional Pr < 3 + > doped fluoride is insufficient in afterglow performance, X-ray imaging depends on continuous irradiation, and color scattering noisy points exist are solved. The NaLuF4: Mg / Cs / Pr fluoride material is prepared by adopting a Cs < + >-Mg < 2 + > co-doping regulation strategy, the material is synthesized by an oleic acid-octadecene liquid phase method, and the X-ray excitation afterglow intensity of Pr < 3 + > is improved by about 110 times by utilizing the synergistic effect that Cs < + > enhances X-ray absorption and Mg < 2 + > optimizes a carrier shallow-deep trap level; the material is prepared into the high-light-transmittance rare earth nano flexible scintillation screen with the resolution ratio of 20.01 lp / mm. According to the invention, zero-noisy-point time-delay imaging after low-dose X-ray transient irradiation is realized, continuous irradiation is not needed, the radiation dose is lower, and the method is mainly applied to the field of X-ray time-delay imaging of low-dose medical diagnosis and industrial nondestructive testing. The method does not need continuous X-ray irradiation, and has important application value in the fields of medical diagnosis, industrial nondestructive testing and the like.

This application discloses a laser protective plate and its preparation method. The provided laser protective plate includes a substrate layer and a reflective layer disposed on at least one side of the substrate layer; wherein, the substrate layer contains a substrate and a composite absorber and a silane coupling agent modified heat dissipation agent uniformly dispersed in the substrate; the reflective layer contains a distributed Bragg reflective film formed by alternating deposition of high-refractive-index materials and low-refractive-index materials. The provided laser protective plate, through a photothermal low-temperature synergistic design, achieves an OD value greater than or equal to 8 at both 532nm and 1064nm wavelengths on a plastic substrate, with a visible light transmittance ≥50%; the plate shows no perforation under continuous irradiation with a 1kW-level laser for 60 seconds. It can be widely used in industrial, medical, and military fields.

The embodiment of the invention discloses a simulation method and device for a laser weapon, computer equipment and a storage medium, and the method comprises the steps: constructing a highly-simulated and controllable laser weapon combat simulation model, simulating the whole process from target recognition, irradiation duration decision, energy management to damage calculation, and improving the simulation efficiency of the laser weapon. And a dynamic interruption judgment and thermal effect cumulative attenuation mechanism based on target maneuvering is particularly introduced. The simulation can accurately reflect the physical characteristic that a laser weapon can take effect only by continuous irradiation, strictly follows the performance constraints of energy charging, heat dissipation and tracking of equipment, and reasonably simulates the irradiation uncertainty caused by target maneuvering in a complex battlefield environment and the accumulated influence of the irradiation uncertainty on the damage effect. And the actual combat suitability and the combat effectiveness evaluation accuracy of the laser weapon in simulation deduction are remarkably improved.

This invention relates to the field of ultraviolet (UV) light modification technology for biomass precursors, and particularly to a continuous UV irradiation device and method for biomass precursor modification. The device includes a reactor comprising a cylindrical body, conveying spiral blades, a spiral drive support plate, an internal light source, external light sources, and a conveying motor driving the conveying spiral blades. The conveying motor is fixedly mounted at the end of the cylindrical body. The spiral drive support plate is rotatably mounted inside the cylindrical body and is connected to the conveying motor. The conveying spiral blades are fixedly mounted on the spiral drive support plate. The internal light source is fixedly mounted on the central axis of the cylindrical body and extends axially. Multiple external light sources are fixedly mounted on the outer side walls of the cylindrical body and extend axially. This method effectively reduces the irradiation dead zones present in traditional static stacking methods, significantly improves modification uniformity and reaction sufficiency, and simultaneously enables continuous biomass modification production, meeting the capacity requirements of industrial mass production.

The invention relates to a solid target device for isotope production. The solid target device comprises a target device and a shielding device, the main body of the target device comprises a target body fixing device and a target box; a plurality of target bodies; a target body slideway; the shielding device is arranged below the bottom outlet of the target body slideway and is used for bearing the target body; a water cooling circulation mechanism; a target body multifunctional mechanism; and a target body propelling mechanism. According to the invention, a plurality of targets can be continuously irradiated, and different radionuclides can be produced in a group of experiments by replacing different target materials and energy reduction sheets (namely, sealing films 264). A structure with a purging function is introduced, so that the target body can be kept dry after water cooling, and radioactive substance leakage caused by contact between residual cooling water and a target sheet in the process that the target body falls into a shielding cylinder is avoided; and a gas path and a water path share one channel, so that the complexity of the mechanism is greatly reduced.

The application discloses a kind of textile fabric anti-sun detection devices, belong to textile fabric detection technical field.The textile fabric anti-sun detection device includes detection bin, arc track assembly, sun direct radiation simulation component, clamping assembly, back shadow simulation component and dynamic simulation component;Through the sun direct radiation simulation component that dynamic walking along arc track assembly, realize the continuous irradiation simulation of full angle of sunrise and sunset;Through back shadow simulation component and dynamic simulation component cooperation, realize the dynamic working condition simulation of fabric local deformation, continuous swing, while cooperating with back shadow simulation component, realize the superposition simulation of fabric back environmental light and dynamic shadow simultaneously;Finally realize the multi-dimensional, high degree of textile fabric anti-sun working condition collaborative simulation, solve the problem that single simulation scene of prior art, and actual working condition deviation is big, detection precision is low, and adaptability is poor.

The invention provides a tandem double-target-chamber irradiation device, and belongs to the technical field of application of particle accelerators. The device comprises a differential section vacuum cavity, a first irradiation target chamber and a second irradiation target chamber which are connected in sequence. And a first quadrupole magnet, a second quadrupole magnet and an octupole magnet are arranged in the differential section vacuum cavity and are respectively used for defocusing, focusing and homogenizing beam flow. The first irradiation target chamber is provided with a liftable target frame and is isolated from the second irradiation target chamber through a gate valve. The device is configured to automatically switch beam modes under the condition of maintaining high vacuum by controlling starting and stopping of the magnet, lifting of the target material frame and opening and closing of the valve, and samples in the two target chambers are subjected to continuous irradiation with high and low particle number densities in sequence. The device has the advantages of high precision, high cleanliness, high efficiency, compact structure and low cost.

The present invention provides a laser processing apparatus, a microscope apparatus, and a laser processing method that can suppress the deterioration of the quality of the processed cross-section. [Solution] The laser processing apparatus 20 includes a polarization adjustment unit 45 that adjusts the polarization direction of the laser light L3 so that the laser light L4 includes a first component C1 in a first polarization direction P1 and a second component C2 in a second polarization direction P2; a spatial light modulator 46 that modulates the first component C1 of the laser light L4 emitted from the polarization adjustment unit 45 and emits it as modulated light Lm, and emits the second component C2 of the laser light L4 as unmodulated light Ln; a ​​lens 49 that focuses the modulated light Lm and unmodulated light Ln emitted from the spatial light modulator 46 toward the sample A to form a single continuous irradiation region R on the sample A that includes the modulated light Lm and the unmodulated light Ln; and a galvanometer mirror 48 for scanning the irradiation region R with respect to the sample A.

The invention discloses a preparation method of a gallium-doped zinc oxide single crystal material, and belongs to the field of semiconductors. Comprising the following steps: 1) performing standard cleaning on a zinc oxide single crystal, and blow-drying the zinc oxide single crystal with nitrogen to serve as a substrate; 2) depositing a gallium oxide film on the surface of the zinc oxide substrate by adopting a magnetron sputtering method; and 3) putting the deposited substrate into laser irradiation equipment, and performing continuous irradiation through two-dimensional strip-shaped light spot laser, thereby completing the preparation of the gallium-doped zinc oxide single crystal material. Gallium doping of the zinc oxide single crystal is successfully achieved through laser induction, and the conductivity of the zinc oxide single crystal can be effectively adjusted. The method has the advantages of being simple in process, convenient to operate, controllable in doping area and concentration and capable of being completed in one step, and has high industrial application value.

The invention belongs to the technical field of optical films, and relates to a long-term stable MAPbBr3 nanocrystal at polymer optical film in a blue light irradiation environment and application of the long-term stable MAPbBr3 nanocrystal at polymer optical film. On the basis of improvement of an in-situ synthesis method in a water solvent, N-oxalylglycine (NOG) is introduced into an MAPbBr3 precursor solution to improve the blue light irradiation stability of an MAPbBr3 nanocrystal-polyvinyl alcohol (PVA) polymer film, and C-O-Pb covalent bonds are formed on the surfaces of the nanocrystals by using-COOH double sites of the NOG to inhibit the interaction of excitons and phonons and ligand desorption on the surfaces of the MAPbBr3 nanocrystals under continuous irradiation of blue light.

Provided is an endoscope system, a control method, and a recording medium storing a control program, which enable display of a high-quality real-time image based on imaging with normal light while also enabling imaging with special light. An imaging element (23) images at a higher frame rate than the frame rate of display of an imaging image displayed by a display device (7). A light source device (5) repeatedly performs the following actions: after continuously irradiating illumination light during a first period spanning a plurality of consecutive frames of imaging by the imaging element (23), irradiating illumination light having a different spectrum from the illumination light irradiated during the first period during a second period spanning at least one frame of imaging by the imaging element (23).

The invention belongs to the technical field of optical detection, and particularly relates to a narrow-band filter-based continuous zooming active window-penetrating optical system, which comprises a semiconductor laser, a CCD (Charge Coupled Device) detector, a variable beam scattering emission assembly and a variable view field detection assembly provided with a narrow-band filter, laser emitted by the semiconductor laser is subjected to coupling and beam expanding through the variable-beam scattering and emitting assembly to irradiate a window-penetrating area, the semiconductor laser continuously irradiates a target object in the window-penetrating area, and scattered light and reflected light of the target object are transmitted to the variable-view-field detection assembly through the atmosphere. And the information of the target object passes through the narrow-band optical filter and finally reaches a CCD (Charge Coupled Device) detector. Day and night reconnaissance of important targets in the dark environment in the window can be achieved, meanwhile, the near-infrared band is adopted, concealment is considered, backward scattering is restrained based on narrow-band filtering and view field switching, and day and night dual purposes are achieved through power adjustability and continuous zooming.

The present invention is an exposure device for a substrate with printed wiring for forming an exposure pattern for printed wiring by exposing a resist film formed on a substrate surface with the irradiation energy of a laser beam. The exposure device for a substrate with printed wiring is configured to perform a continuous irradiation of a mask and a substrate stage during the substrate exposure, while a section from one substrate irradiation area is superimposed onto a section of another substrate irradiation area to perform pattern exposure on a region of the substrate to be exposed. Consequently, an exposure device capable of accurately performing the exposure of a microfine pattern over the region of the substrate to be exposed is provided.

The utility model discloses a steel bar planting hole positioning device of a constructional column, which belongs to the technical field of steel bar planting positioning and comprises a frame structure formed by assembling a plurality of connecting rods and adjusting supporting rods in the same plane, a gradienter is further mounted on a center rod, and a foot stool is mounted at each of two ends of each adjusting supporting rod through bolts. A plurality of laser positioners are installed on a frame structure composed of the connecting rods and the adjusting supporting rods, each laser positioner coincides with one embedded steel bar positioning point, a building body on the top of a floor can be marked through the laser positioners, the position of an embedded steel bar hole of a constructional column can be calibrated and positioned all the time, laser positioning is light beam irradiation positioning, and the positioning accuracy is high. In addition, continuous irradiation positioning is achieved during drilling, and it is guaranteed that the drilling direction is accurate; and the supporting height of the frame can be adjusted through the foot stands and the adjusting rods, so that the frame composed of the connecting rods and the adjusting supporting rods can be kept horizontal, the positioning precision of the embedded steel bar holes is improved, and the construction speed and precision are improved.

To obtain a flame detector testing device that can achieve stable operational test accuracy when conducting operational tests of flame detectors in various operational test environments. [Solution] The system comprises a light source that outputs light containing infrared and visible light components as continuous irradiation light, an optical chopper that generates flashing light by performing a chopping operation that repeatedly passes / blocks the continuous irradiation light at a chopping frequency corresponding to the flickering frequency of a flame, and a control unit that comprehensively controls the light source and the optical chopper. The control unit has a mode switching function that allows selection between a lighting mode, which generates steady light by controlling the light source to be ON and performing stop position control to stop the optical chopper at a position where the continuous irradiation light passes through, and a flashing mode, which generates flashing light by controlling the light source to be ON and performing chopping control to perform the chopping operation.

The invention relates to the technical field of laser, and discloses a laser ice melting device capable of melting an ice layer, the laser ice melting device comprises an imaging module, an energy emission module, a lens module and a control module, the energy emission module can emit an energy light beam for melting the ice layer; the lens module allows the energy light beam to pass through and focuses and collimates the energy light beam, and the focused and collimated energy light beam can irradiate an ice layer; the control module is electrically connected with the imaging module and the energy emission module and is configured to obtain current image information of an ice layer in real time; when the obtained current image information shows that the ice layer exists, starting and keeping continuous irradiation of the energy light beam; and when the obtained current image information shows that the ice layer does not exist, closing the energy light beam. With the adoption of the laser ice melting device, the technical problems of poor ice melting effect and poor ice melting positioning precision in the prior art can be effectively solved.

Provided is an endoscope system, control method, and control program that can suppress a decrease in the quality of a moving image display and perform imaging based on special light. A light source device (5) repeatedly performs the following actions: continuously irradiating illumination light of a first characteristic over a first period that spans a plurality of consecutive imaging action frames, and then irradiating illumination light of a second characteristic over a second period that spans at least one imaging action frame. A display (7) displays a moving image using an imaging image obtained from an imaging element (23), displays the moving image in accordance with the imaging image for the first period for the first period, and displays the moving image in accordance with the imaging image for a period different from the second period for the second period.

The invention belongs to the technical field of medical experiments, and particularly discloses a cell culture device for cancer cell irradiation experiments, which comprises a culture container, and culture holes are formed in the culture container and used for culturing cancer cells. The cell culture device further comprises a base and an irradiation assembly, the number of the culture containers is at least one, the culture containers and the base form a culture part, the irradiation assembly and the base form an irradiation part, and the side edge of the irradiation part is connected with the side edge of the culture part. According to the invention, based on the base, the culture container and the irradiation assembly, the arrangement of the irradiation group in the cancer cell culture process is realized, the requirement of continuously irradiating the cultured cancer cells by radioactive particles during an irradiation experiment can be met, and the irradiation experiment device has relatively high flexibility. In addition, according to the irradiation assembly, the partition plate is matched with the radiation column to form a radiation channel from the radiation source, and orderly and regular irradiation on cancer cells is achieved to meet the irradiation experiment requirement.

The utility model relates to the technical field of automation equipment, in particular to a continuous irradiation sterilization system which comprises a lifting device, a first conveying device, an irradiation chamber, an irradiation conveying belt, a second conveying device and a discharging conveying belt, and the first conveying device, the irradiation conveying belt and the second conveying device are connected end to end to form an annular conveying belt. The annular conveying belt passes through the irradiation chamber; the discharging conveying belt comprises a discharging support, a discharging guide rail, a first motor and a second motor, the discharging guide rail is fixedly connected to the discharging support, the first motor is fixedly connected to the discharging support, the first motor is connected with the chain wheel to drive the chain to move, the first motor drives the tray to move on the discharging guide rail through the chain, and the second motor drives the tray to move on the discharging guide rail through the chain. The discharging support is further provided with a roller, and the second motor drives the roller to rotate through gear transmission. According to the utility model, the problem that the materials cannot be automatically and effectively taken out when the materials need to be irradiated for multiple times, so that the multiple times of irradiation is caused is solved.

The invention discloses a tissue sample processing method for three-dimensional pathological imaging, and belongs to the technical field of tissue sample processing. The tissue sample treatment method comprises the following steps: step a, decolorizing a tissue sample; b, tissue transparentizing based on the swelling hydrogel; in the step a, the discoloring of the tissue sample adopts a mode of matching physical discoloring with chemical discoloring; wherein the physical decolorization is realized by continuously irradiating a tissue sample under blue-violet light. The problem that autofluorescence of endogenous pigment and residual blood in a tissue sample interferes with biomarker observation is solved in a mode of matching physical decoloration and chemical decoloration, meanwhile, tissue transparentization is realized by utilizing expanded hydrogel, and the tissue form is kept stable, so that a good foundation is laid for subsequently realizing high-efficiency elution and multi-round marking of an antibody; therefore, in-situ multiple marking and high-resolution three-dimensional imaging of tissue samples, especially thick slices such as brain tumor tissues and the like can be realized.

The invention discloses a two-dimensional nano material and light synergistically enhanced intracellular delivery method for cells. According to the method, efficient intracellular delivery of cells can be synergistically realized under the mediation of exogenous pulse laser by using a two-dimensional material. A two-dimensional material is synthesized through an HF etching method, after the two-dimensional material and cells are co-incubated for a period of time, model molecules (fluorescent macromolecules, protein, nucleic acid and the like) are added, after exogenous pulse laser is used for treatment, the two-dimensional material absorbs heat to enable surrounding water to be vaporized to generate bubbles, the bubbles are continuously expanded through continuous irradiation of the exogenous pulse laser, and therefore the two-dimensional material is obtained. When a certain degree is reached, mechanical force generated by rupture enables cell membranes and cell wall opening biological functional macromolecules (protein, nucleic acid and the like) to enter cells through free diffusion, and exogenous functional macromolecules are integrated with genetic materials in the cells, so that long-term stable expression is realized. By adjusting the laser energy density and various parameters (material concentration, material size, laser energy density and the like), high delivery efficiency is guaranteed, and cells also have high activity. The characterization of the material by various test means shows that the characterization is successful, and meanwhile, efficient intracellular delivery of cells is also realized.

This invention discloses a perovskite quantum dot composite film and its preparation method. The raw materials for preparing the composite film include a perovskite quantum dot dispersion, lauryl methacrylate, zinc undecanoate, methacryloyloxyethyl phosphate, polyurethane acrylate oligomer, mercapto monomer, and a photoinitiator. The preparation process includes: ligand exchange between zinc undecanoate and the quantum dot dispersion; addition of lauryl methacrylate and removal of the original solvent under reduced pressure; subsequent addition of the remaining components for degassing and mixing; coating a wet film; and curing by dual-band continuous irradiation. This invention utilizes zinc undecanoate as a bridge, enabling its terminal double bonds to undergo cross-linking reactions with the matrix resin, thus covalently anchoring the quantum dots in situ within the polymer network. This reduces the spatial migration and aggregation of quantum dots, helping to delay the degradation of the optical properties of the composite film.

To provide a laser cleaning device capable of expanding the cleaning range by widening the scanning width of a laser beam, continuously irradiating the laser beam for a long period of time, and preventing dirt and damage caused by dust on a field lens provided at an opening for emitting the laser beam of a cleaning head. [Solution] The laser cleaning device includes a laser light source and an air compressor that cools the inside of a cleaning head 3 connected to the laser light source via an optical fiber cable 7, and flows compressed air inside the cleaning head 3 so that the compressed air is sprayed outward from the laser light emission opening 33 of the cleaning head 3, forming an air curtain on the laser light emission side of a field lens 34 arranged in the laser light emission side opening 33 of the cleaning head 3.

The application relates to a preparation method and application of a metal-organic framework (MOFs) material with photochromic and long persistent luminescence (LPL) characteristics. Specifically, X-MOFs (X=Cl, Br) are prepared by high-temperature self-assembly of ligand 1,1'- (6-hydroxy-1,3,5-triazine-2,4-diyl) bis (pyridine-4 (1H)-ketone) and CdCl2.2.5H2O and CdBr2. Research finds that, under the continuous irradiation of ultraviolet light, the X-MOFs realize photochromic behavior from yellow to gray. In addition, after the removal of different excitation light sources, the X-MOFs exhibit multicolor LPL which is dependent on excitation, temperature and time evolution. The X-MOFs material synthesized by the application provides potential application value in the fields of data encryption and anti-fake patterns.

This invention belongs to the field of biodetection and medical technology, and relates to a high-performance photothermal diagnostic and therapeutic integrated fiber optic probe based on rare-earth nanomaterials. The probe includes a photothermal diagnostic and therapeutic composite material. This material consists of a tumor-specific environmental fluorescence responsive material, 1,8-naphthalimide fluorophore, and Yb that can be used for photothermal therapy. 3+ / Er 3+ The probe is composed of co-doped Bi₂WO₆ nanomaterials. Under 450nm laser excitation, the fluorescently responsive material in the probe emits 550nm green fluorescence in a tumor cell environment, which is received and fed back by the fiber optic probe, enabling specific recognition of tumor cells. After recognition, the fiber optic probe emits fluorescence that can be detected by Yb 3+ / Er 3+ The co-doped Bi₂WO₆ nanomaterials absorb and convert infrared light in the 980nm near-infrared band into photothermal radiation. Under continuous irradiation, the nanomaterials continuously heat up, destroying cell structures and killing tumor cells, thus achieving targeted photothermal monitoring and treatment of tumor cells. This probe is minimally invasive and has high photothermal conversion efficiency, providing a new approach for minimally invasive diagnosis and treatment of early-stage tumors.

The invention is suitable for the technical field of light supplementing lamp angles, and provides an agricultural flower cultivation light supplementing lamp with an adjustable irradiation angle, the agricultural flower cultivation light supplementing lamp comprises an L-shaped mounting plate, the L-shaped mounting plate is arranged in an L shape, and rectangular connecting limiting plates are fixedly connected to the two sides of the L-shaped mounting plate. The reciprocating driving assembly provides stable power and drives the angle adjusting mechanism to do precise reciprocating motion, and by means of rigid connection or flexible transmission fit between the angle adjusting mechanism and the light supplementing lamp body, the light supplementing lamp body stably reciprocates on the preset track of the flower rack along with the motion trail of the angle adjusting mechanism; the moving range of the light supplementing lamp main body can completely cover planting areas of all flowers on the flower rack, so that the light supplementing lamp main body can uniformly scan key growth parts such as leaves and corollas of each flower, and the mode of fixed irradiation of traditional light supplementing equipment is thoroughly changed; the problem that the light supplementing lamp body focuses on flowers in the same area for a long time for continuous irradiation is effectively solved.