39 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 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.

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 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 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.

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.

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.

The invention discloses an ultraviolet swing type blood treatment instrument suitable for a blood bag, which relates to the field of blood sterilization treatment, and comprises a main case, an irradiation assembly, an ultraviolet light source, an ultraviolet light source and an ultraviolet light source, the shaking frame assembly is installed below the irradiation assembly and can limit and fix the blood bags at the same time, and the irradiation assembly can conduct irradiation treatment on all the blood bags on the shaking frame assembly; the irradiation detection assembly is mounted between the irradiation assembly and the shaking frame assembly and can perform irradiation detection on the irradiation assembly; the driving assembly is installed on one side of the shaking frame assembly and can drive the shaking frame assembly to swing and shake the blood bags on the shaking frame assembly; according to the ultraviolet swing type blood treatment instrument suitable for the blood bags, the rotating disc is arranged, and the multiple blood bag fixing assemblies are distributed on the rotating disc in an annular array mode, so that the problem that after the number of the blood bags is increased, it is difficult to shake the multiple blood bags to the same degree under the condition that continuous irradiation treatment on all the blood bags is kept is solved.

This invention discloses a method for increasing the content of flavonoids and cyanidin in *Phyllostachys edulis*, belonging to the field of plant cultivation technology. This invention uses continuous irradiation of *Phyllostachys edulis* with light of specific wavelengths and intensities; light with wavelengths of 354-478 nm is the main wavelength inducing culm discoloration; when the blue light intensity exceeds 8 μmol / m², the irradiation is further enhanced. 2 At a certain temperature, the color and anthocyanin content of bamboo increased significantly. After light treatment, the contents of six flavonoids, including vitexin, isohypericin, narcissin, hyperoside, luteolinin, and luteolin, increased by 9.02, 8.79, 2.34, 8.5, 9.4, and 1.9 times, respectively; the content of cyanidin-3-O-rutin increased by 7.41 times.

The utility model provides a fluorescent light source control circuit capable of reducing fluorescence quenching. The fluorescent light source control circuit comprises a controller, a fluorescent switch assembly, an energy storage assembly, a comparison assembly and a power supply module. When the fluorescent light source is lightened, the energy storage assembly is charged until the voltage value of the energy storage assembly is larger than the reference voltage, the controller controls the fluorescent light source to be turned off, and the reference voltage corresponds to the needed camera exposure time, so that the fluorescent light source is turned off at the same time when the camera exposure is finished, and the irradiation time of the fluorescent light source on the fluorescent section is effectively controlled. The problem of fluorescence slice quenching caused by continuous irradiation of a fluorescence light source is solved.

The application is a medical particle accelerator extended beam type continuous irradiation beam distribution system, which comprises ionization chamber group A, first scattering body system, second scattering body system, collimator A, ionization chamber group B, energy continuous modulator, wedge-shaped absorber system, collimator B, liftable multi-leaf collimator and ionization chamber arranged in sequence; the design is different from the traditional extended beam type layered irradiation beam distribution system, the energy continuous modulator is used to replace the binary energy modulator and the plate type modulator in the traditional extended beam type distribution system, and the continuous irradiation is realized in cooperation with the multi-leaf collimator; the wedge-shaped absorber system is additionally arranged and cooperates with the multi-leaf collimator to replace the range compensator in the traditional extended beam type distribution system; and the liftable function of the multi-leaf collimator is used to replace the terminal collimator in the traditional extended beam type distribution system.

A laser annealing system for annealing a thin film on a substrate by irradiating the thin film with a pulse laser beam includes a laser apparatus configured to output the pulse laser beam, an optical system configured to irradiate the thin film with the pulse laser beam, and a processor configured to perform control of irradiating the same section of the thin film with the pulse laser beam by performing burst irradiation that alternates between a burst period of continuously performing irradiation with the pulse laser beam and a suppression period of suppressing the continuous irradiation with the pulse laser beam.

A method for selectively irradiating a powder layer in additive manufacturing of a component. The method including: determining an irradiation pattern of the layer for additive manufacturing, wherein a first partial pattern is defined which is intended for continuous irradiation and comprises a plurality of irradiation vectors and wherein a second partial pattern is defined, which is intended for a pulsed irradiation, with the first and the second partial pattern being selected in such a manner that the second partial pattern connects irradiation vectors of the first partial pattern, and irradiating the layer in accordance with the irradiation patterns defined. A computer program product, an irradiating device, and a control unit for controlling an irradiating device are included.

The application discloses a laser processing method of a group III nitride micro-nano structure and a light-emitting device, and the method comprises the following steps: S1, providing a group III nitride micro-nano structure, wherein the group III nitride micro-nano structure comprises a group III nitride thin film and a group III nitride nanowire array structure on the group III nitride thin film; and S2, continuously irradiating the group III nitride nanowire array structure by using an ultrafast femtosecond laser to improve the light-emitting performance of the group III nitride micro-nano structure. The continuous irradiation of the ultrafast femtosecond laser can improve the crystal quality of the group III nitride material, improve the light-emitting performance of the group III nitride material, and make the light-emitting intensity irreversibly enhanced. The application has the characteristics of low cost, simple operation and precise selected area irradiation, and can be applied to light-emitting devices such as Micro-LED and Nano-LED.