1733 results about "Red light" patented technology

1. Name of the product in this design: Red Light Therapy Lamp (ROUGE Series). 2. Purpose of this design: A therapeutic lamp for health care and physiotherapy. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The invention provides a liquid cooling plate surface quality optimization method based on red light printing, and belongs to the field of additive manufacturing. According to the liquid cooling plate surface quality optimization method based on red light printing, when a model of a heat dissipation structure with a curved surface on a liquid cooling plate is sliced, all slice layers are divided into a plurality of intervals according to the included angles between the lower surfaces where the slice layers are located and the horizontal plane, so that the whole workpiece model is segmented into a plurality of parts; and then the multiple parts obtained through division are subjected to powder laying printing, and process parameters are given to the different parts for printing. The roughness of the surface of the liquid cooling plate can be reduced by adjusting the red light printing process parameters, and the equipment cost is saved. Besides, the surface quality of the liquid cooling plate can be stabilized at about Ra5, the use requirements of most liquid cooling plates can be met, extra post-treatment procedures are reduced or even not needed, the production cost is greatly reduced, and the production efficiency is improved.

The invention relates to the technical field of remote sensing measurement, in particular to a power transmission line tree high-risk assessment method and device based on satellite remote sensing and a medium. And based on the result and line data, calibrating a safety distance, combining terrain elevation correction, identifying the tree, calculating the height of the tree and the clearance distance of the line, comparing the clearance distance with a safety standard, dividing high, medium and low risk levels, and generating a high-risk assessment result of the power transmission line tree. According to the method, the vegetation distribution is described by extracting the spectral features of the remote sensing image, the dynamic safety interval is constructed in combination with the position of the power transmission line and the vegetation distance, the model is established by fusing terrain and crown elevation data, clearance parameters are quantitatively calculated to generate the risk level, the complex terrain adaptability and the risk point automatic identification precision are improved, and the early warning reliability is improved. And intelligence and decision-making accuracy of power transmission line inspection are promoted.

The invention discloses an external cavity tunable laser linewidth compression system for realizing wavelength phase locking based on mutual injection of gain chips. The external cavity tunable laser linewidth compression system comprises a red light semiconductor laser main gain chip, a first collimation optical system, a blazed grating, a tuning rotating mirror, a reflector, a power supply driving system and a double-path feedback amplification system, the double-path feedback amplification system comprises a first secondary gain chip, a second secondary gain chip, a second collimation optical system, a third collimation optical system and a polarization-free beam splitter prism; and the red light semiconductor laser main gain chip, the first secondary gain chip and the second secondary gain chip are all connected with the power supply driving system. Therefore, the technical problems of low output infrared light power, poor stability and narrow mode-hopping-free tuning range in the prior art are solved, and high-power, narrow-linewidth, high-stability and large-range mode-hopping-free continuous tuning red light output can be realized.

The invention discloses an annealing temperature control method based on a differentiated ohmic contact material, and aims to solve the problems that the annealing temperature of an N-surface Au / Ge ohmic contact layer of an existing AlGaInP-based red light Micro-LED is not accurately monitored, a temperature field is not uniform and is difficult to detect, and abnormal response lags, the method comprises seven steps of processes (two times of patterning, two times of metal coating, two times of photoresist removal, annealing and observation), and the annealing temperature of the N-surface Au / Ge ohmic contact layer of the existing AlGaInP-based red light Micro-LED is controlled. Preparing a first Au / Ge ohmic contact layer (for function) and a second Au / Ge / Ni ohmic contact layer (for detection) on the N surface of the wafer; by means of the characteristic that Ni inhibits Au / Ge agglomeration, the two-layer agglomeration state difference is observed through an optical microscope, and the temperature is judged (in the normal state, the former agglomerates, and the latter does not agglomerate); the method is convenient in detection, supports batch detection, can find temperature abnormity in real time, improves the process stability, and is suitable for industrial mass production.

The invention discloses a red light Micro light emitting diode epitaxial wafer and a preparation method thereof. The epitaxial wafer comprises a GaAs substrate, an N-type layer, a multi-quantum well active layer and a P-type layer which are sequentially arranged from bottom to top, the multi-quantum well active layer comprises a plurality of AlGaInP quantum well layers and quantum barrier layers which are alternately arranged, a hole injection layer is inserted between at least part of quantum well structures, and the hole injection layer is composed of a first N-type doped sub-layer, a P-type doped sub-layer and a second N-type doped sub-layer which are connected in sequence; the materials of the three sub-layers are (Al < x > Ga < 1-x >) < 0.5 > In < 0.5 > P (x is greater than or equal to 0.5 and less than or equal to 0.9), and the doping concentration is in gradient distribution along the thickness direction. By introducing the N-P-N structure hole injection layer, the hole injection efficiency is improved, electron leakage and Mg diffusion are inhibited, and the luminous efficiency of the red light Micro LED is remarkably improved.

The invention relates to a red light therapeutic instrument real-time calibration method based on multi-modal data fusion, which comprises the following steps: firstly, collecting data such as optical power, target surface temperature, internal temperature, reflection spectrum and light source-target surface distance in a time window, and unifying time base alignment; performing anomaly elimination, de-noising and normalization on each modal data, and constructing a standardized data matrix; extracting multi-modal features through power spectral density, wavelet packet decomposition, exponential moving average and Kalman filtering, inputting the multi-modal features into a fusion network containing a modal special encoder and a cross-modal attention unit, and generating a red light treatment state vector; the driving current, the pulse width, the duty ratio, the emission angle and the aging compensation factor are solved in real time through constrained least square optimization and are issued to the driving control module, and the red light source is smoothly adjusted in a soft start mode; the system monitors the output power, calibration is completed if the output power meets a threshold value, and otherwise, the next iteration is started. According to the method, power closed-loop correction can be realized, and dose consistency and thermal safety are improved.

The invention relates to a Micro-LED full-color display device and a manufacturing method thereof. The display device comprises a driving substrate and first, second and third light-emitting component layers which are bonded in sequence to form a vertical stacked structure. The light-emitting component layers are electrically interconnected among layers through the through electrode group, the first active layer of the first light-emitting component layer is kept continuous, and the active region is prevented from being damaged by controlling the etching depth. The first, second and third light-emitting regions are respectively configured as red, green and blue light-emitting regions, the projection positions on the horizontal plane are staggered, and the area ratio is 2: 1: 1, so that the red light efficiency loss is compensated. The manufacturing method comprises the steps of forming the light-emitting component layers on the temporary substrate and sequentially bonding the light-emitting component layers, wherein when the first light-emitting structure is formed, etching is controlled to be stopped before reaching the first active layer. The method further comprises the processes of filling and planarization of an insulating layer, removal of a temporary substrate, formation of an optical isolation layer and electrode segmentation, and the performance and the manufacturing yield of the device are improved through structural innovation and process optimization.

1. Name of the product in this design: Red Light Therapy Lamp (SERIES series). 2. Purpose of this design: A therapeutic lamp for health care and physiotherapy. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The invention discloses a shaft control red light gain red light golden yellow light single control eye protection lamp, and belongs to the field of lighting equipment. An intelligent control assembly and a power supply assembly are arranged in the base, a folding structure is arranged on the rear portion, a lamp body is arranged at the end of the folding structure, and a light source module is arranged in the lamp body. The intelligent control assembly comprises a main control chip STM32F103C8T6 and is used for controlling the light source module; the power supply assembly comprises a storage battery and a Type-C charging port, and the charging port is connected with the storage battery through a TP4056 charging management chip. The folding structure is hinged to the first supporting plate and the lamp body through any stop rotation damping rotating shafts. The light source module comprises 630-650 nm axis control red light, 610-630 nm gain red light and 3000-3500 K golden yellow light units which are distributed in an array mode. The base is provided with a control touch key and an anti-skid pad, and the lamp body is provided with a frosted acrylic lampshade. The device is scientific in spectrum, convenient to adjust and good in eye protection effect.

The invention discloses a method for ecologically controlling pests in a citrus orchard, which comprises the following steps of: preparing mint, salvia officinalis and ageratum conyzoides in a ratio of 1: 1: 1 in the middle of the citrus orchard to form a strip-shaped or chessboard-shaped layout with the coverage area of 30-50%, and synergistically repelling the pests and attracting natural enemies by utilizing plant volatile matters; the method specifically comprises the steps that an intercropping belt is arranged at the position 1 m away from citrus trees, the belt width is 2 m, and the plant row spacing is 30 cm * 40 cm; citrus field planting is conducted, transplanting is conducted in spring of the next year, organic fertilizer and regular pruning and covering (three times every year, soil covering is conducted after smashing, and wood vinegar is added) are combined; mint releases menthol, salvia officinalis releases eucalyptol to expel parasites, ageratum conyzoides attracts predatory mites to control red spiders, and mineral oil and a yellow sticky card are supplemented for prevention and control; aiming at facility cultivation, LED supplementary lighting (red light: blue light: white light = 3: 1: 1) and fan diffusion volatile matters are additionally arranged. The use of chemical pesticides is reduced by 40% or above, the pest population density is reduced by 50%-70%, meanwhile, the diversity of soil organic matter and microorganisms is improved, and the method is suitable for open-air and greenhouse citrus orchards.

The present disclosure provides an AlGaInP-based red light emitting diode chip and a preparation method thereof, belonging to the field of optoelectronic manufacturing technology. The AlGaInP-based red light emitting diode chip includes: a substrate, a light emitting structure, a distributed Bragg reflector layer, a passivation layer, a first solder block and a second solder block; the light emitting structure, the distributed Bragg reflector layer and the passivation layer are sequentially stacked on the substrate, the passivation layer has a first through hole and a second through hole exposing the distributed Bragg reflector layer, the hole wall of the first through hole and the hole wall of the second through hole have a concave-convex structure; the first solder block is located in the first through hole and is in contact with the hole wall of the first through hole, and the second solder block is located in the second through hole and is in contact with the hole wall of the second through hole. The embodiment of the present disclosure can improve the problem of relative looseness between the solder block and the via hole, so that the light emitting structure is well fixed in the chip, and the reliability of the chip is improved.

The invention discloses an auxiliary device for skin laser treatment. The auxiliary device comprises a first mounting plate, a second mounting plate, a positioning assembly, a first supporting rod and a second supporting rod. A plurality of positioning assemblies are arranged on the surfaces of the first mounting plate and the second mounting plate in an array mode, and each positioning assembly comprises a mounting base, a plurality of motors and an irradiation assembly. The motor system is matched with the ultrasonic range finder to monitor the distance between the irradiation assembly and the skin in real time through stretching and angle adjustment, the position of the red light source is automatically adjusted, it is ensured that the distance between the red light source and the skin is proper, injury is avoided, and the treatment effect is improved; the safety, the effect and the efficiency of skin laser treatment are remarkably improved, and the system is suitable for various skin treatment scenes.

1. Name of the product in this design: Red Light Therapy Lamp (VIVO Series). 2. Purpose of this design: A therapeutic lamp for health care and physiotherapy. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

1. The name of this design product: red light therapy device. 2. Application of this product design: for whole body or local irradiation beauty treatment. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design.

Disclosed in the present invention is a method for in-situ NH4I-assisted preparation of CsPbI3 colloidal nanoplateles, comprising the following steps: S1. respectively preparing a lead iodide precursor solution, an ammonium iodide precursor solution, and a cesium oleate precursor solution; and S2. mixing the lead iodide precursor solution with the ammonium iodide precursor solution under stirring, adding the cesium oleate precursor solution for reaction to obtain a nanoplatele stock solution, and purifying and separating the nanoplatele stock solution to obtain CsPbI3 nanoplateles. In the present invention, in the method for the in-situ NH4I-assisted preparation of CsPbI3 colloidal nanoplateles, NH4I is used for in-situ replication synthesis of the CsPbI3 nanoplateles, the regulation of the growth kinetics of a system is achieved, the reaction process is more controllable, and the synthesized nanoplateles have a narrower peak width at half height, and a more uniform phase distribution, meeting requirements of light emitting in a red light range.

A lighted steering wheel device is provided. The device is comprised of a steering wheel that integrates customizable and functional lighting features to enhance both safety and aesthetics. The steering wheel comprises various materials and configurations, with embedded flexible LED strips encased in impact-resistant, UV-protected casings, capable of displaying a wide range of static or dynamic light patterns. These patterns can be synchronized with vehicle systems, such as flashing red for emergency braking or reacting to turn signals, and brightness can adjust based on vehicle speed. The device includes a control interface embedded in the wheel and offers further customization via a mobile app, which provides remote access to light settings and synchronization features. Additionally, the device can generate safety alerts, utilizing proximity sensors, GPS integration, and haptic feedback for a multisensory driver experience, with an illuminated emblem adding a complementary design element.

The invention discloses a thermal-decay-resistant red light Micro LED epitaxial structure and a preparation method thereof. The epitaxial structure sequentially comprises a substrate layer, an n-type buffer layer, an n-type etching barrier layer, an n-type ohmic contact layer, an n-type limiting layer, a quantum well structure, a p-type spacer layer, a p-type electron barrier layer and a p-type ohmic contact layer from bottom to top. Wherein the quantum well structure is formed by alternating 1-5 pairs of InGaP well layers and three-section type p-type AlGaInP barrier layers, and the three sections of barrier layers adopt gradient energy level design and are all subjected to p-type doping; according to the invention, the problems of carrier loss and low recombination efficiency at high temperature in the prior art are solved by blocking electron overflow through the gradient energy level barrier and supplementing the hole concentration through p-type doping, so that the 85 DEG C external quantum efficiency attenuation rate is less than or equal to 10%, the service life is prolonged to more than 50,000 hours, and the process is compatible with mass production and is suitable for the fields of display, illumination and the like.

The invention belongs to the technical field of bridge structure defects, and particularly discloses an underwater bridge structure defect identification method based on machine vision, and the method comprises the steps: firstly, employing a water surface monitoring camera to detect water surface moving objects around a pier, and carrying out the recognition of the underwater bridge structure defects based on the types, distribution density and motion trails of the objects; constructing a static distribution interference factor and a dynamic motion interference factor, and performing weighted fusion to generate a water body detection interference coefficient. Meanwhile, the water turbidity and the real-time flow velocity are obtained by means of an underwater sensor, and the light supplementing distance, the red light proportion and the shutter speed are dynamically adjusted in combination with the water detection interference coefficient. Then, the ROV is controlled to descend with the axis of the pier as the spiral center, visible light and ray transmission images are synchronously collected according to the adjusted parameters, a panoramic image is formed through fusion splicing, finally, defect danger indexes are output through image recognition and fed back, efficient detection and accurate evaluation of the state of the pier are achieved, and reliability and effectiveness of defect recognition are enhanced.

The utility model discloses an adjustable negative pressure vacuum cupping device which comprises a cupping device body, the cupping device body comprises a cupping body, a functional mechanism and a negative pressure meter are arranged, a silica gel ring serves as a carrier of a red light physiotherapy light bar and is tightly attached to the cupping body, warm stimulation of a traditional cupping jar is simulated through red light irradiation, blood circulation is promoted, and muscular tension is relieved. The wiring port is convenient to connect with an external power supply, stable operation of the physical therapy function is ensured, a user can flexibly adjust the therapy mode, the red light physical therapy lamp strips are annularly arranged at equal intervals, uniform and comprehensive irradiation is ensured, and meanwhile, due to the arrangement of the air exhaust head and the negative pressure meter, the therapy effect of the cupping device is improved. A user can quickly extract air in the cup and form required negative pressure, discomfort or safety risks are avoided, the treatment effect and user experience of the cupping device are jointly improved through the settings, and the cupping device is safer, more convenient and more efficient.

The invention discloses nano-engineered microalgae for photoimmunotherapy of melanoma and a preparation method of the nano-engineered microalgae. The preparation method comprises the following steps: S1, respectively putting tannic acid, potassium carbonate, sodium citrate and HAuCl4. 3H2O into water to prepare a tannic acid solution with the concentration of 4.3 mg / mL, a potassium carbonate solution with the concentration of 20.7 mg / mL, a sodium citrate reduction solution with the concentration of 0.7 mg / mL and a HAuCl4 solution with the concentration of 10.0 mg / mL; s2, dissolving a tannic acid solution and a potassium carbonate solution in the sodium citrate reduction solution to obtain a mixed solution; s3, the mixed solution is heated under stirring, a HAuCl4 solution is dropwise added, stirring continues, and AuNP is obtained; and S4, mixing the AuNP obtained in the step S3 with the microalgae PCC 7942, standing, incubating, and centrifugally washing, so as to obtain the nano-engineered microalgae PCC-coated AuNP. The functionalized microalgae drug delivery system (PCC-coated AuNP) prepared by the invention has the performance of respectively generating O2 and H2 through photosynthesis and photocatalytic reaction under the irradiation of 635 nm red light.

The invention discloses a graphene integrated electrode LED epitaxial structure and a chip preparation method. The epitaxial structure sequentially comprises a GaAs substrate, an n-type GaAs buffer layer, an n-type limiting layer, a non-doped quantum well structure, a p-type spacer layer, a p-type electron barrier layer and a p-type GaP ohmic contact layer from bottom to top. The preparation method comprises the steps of epitaxial structure growth, p-type ITO transparent conductive layer preparation, bonding and substrate removal, mesa structure preparation, passivation isolation, graphene interconnection layer preparation and n-type electrode preparation. Graphene is used for replacing a traditional n-type GaAs ohmic contact layer and an ITO electrode, the problems of poor red light absorption, poor heat dissipation and mechanical brittleness of a traditional structure are solved, the red light transmittance of the chip is improved, the junction temperature under 3 currents is greatly reduced, the chip can bear tensile strain larger than 20%, the chip is suitable for flexible scenes, and the chip is suitable for high-performance large-scale production of red light Micro LEDs.

The invention belongs to the technical field of organic dye synthesis and application, and discloses a conjugated compound containing a benzothiophenazine structure as well as a preparation method and application thereof, and the conjugated compound containing the benzothiophenazine structure has excellent photophysical properties, singlet oxygen yield and superoxide anion generation capacity. The novel conjugated compounds ENBO-NI and ENBS-NI containing benzothiophenazine structures are successfully prepared by replacing a benzene ring of Nile blue with a cycloalkane structure and adjusting the electron donating ability of an R1 group. The two compounds have near infrared fluorescence emission, good solubility and relatively high ROS yield. Compared with a classical photosensitizer NB, the singlet oxygen yield of ENBO-NI is increased by about 117.65%, and the singlet oxygen yield of ENBS-NI is as high as 70%. The absorption wavelength of the conjugated compound is in a red light wave band. The preparation process is simple and efficient, large-scale production is easy, and the preparation method has a wide clinical application prospect.

The invention discloses an AlGaInP red light LED chip structure with a polarization-induced tunnel junction and a preparation method thereof. The chip structure sequentially comprises a GaAs substrate, an n-type GaAs buffer layer, an n-type etching barrier layer, an n-type GaAs ohmic contact layer, an n-type limiting layer, a non-doped InGaP / quantum well structure, a p-type spacer layer, a p-type AlGaInP polarization-induced doping layer, an insertion layer and an n-type ohmic contact layer from bottom to top. Wherein the p-type AlGaInP polarization induction doping layer introduces a piezoelectric polarization electric field through an Al component gradual change design, high-density two-dimensional hole gas is formed through induction, and the high-Al component insertion layer and the n-type ohmic contact layer form a tunnel junction; according to the invention, the problems of low p-type doping efficiency and high resistivity of the AlGaInP material with high Al component are fundamentally solved, the epitaxial structure and the chip process are simplified, the series resistance of the chip is reduced, the luminous efficiency is improved, the yield is improved, and the method has remarkable technical and commercial values.

The invention discloses an LED dimming system and method, and the system comprises a white light LED which is used for emitting a spectrum in a 400-650 nm wave band; at least three red light LEDs of blue light excitation fluorescent powder respectively emit red light with different central wavelengths, the central wavelength of the first red light LED is 660nm + / -2nm, the half-peak width is less than or equal to 15nm, and an I < n > GaA < l > P material vertical cavity surface emission structure is adopted; the central wavelength of the second red light LED is 730nm + / -3nm, the half-peak width is less than or equal to 20nm, and the second red light LED adopts an A < l > GaAs material quantum well structure; the center wavelength of the third red light LED is 780nm + / -5nm, the half-peak width is less than or equal to 25nm, and a GaAsP material gradient refractive index waveguide structure is adopted; the driving control module comprises three independent constant-current driving units which are used for respectively controlling the current and PWM duty ratio of each red light LED; the optical mixing module is composed of a two-stage integral rod and a micro lens array and is used for realizing uniform mixing of spectrums.

The invention provides a forest carbon reserve prediction method, device and equipment based on forestry carbon sink monitoring, and relates to the technical field of data analysis. According to the method, firstly, a forest optical image and climate-related data are acquired, and the forest optical image at least comprises a red light band and a near-infrared band; secondly, extracting an optical global semantic vector from the forest optical image, and performing semantic constraint on the optical global semantic vector based on growth condition semantic information in the forest optical image to form an optical growth semantic vector; then, a climate global semantic vector is extracted from climate related data; thirdly, performing semantic fusion on the optical growth semantic vector and the climate global semantic vector to obtain a forest global semantic vector; and finally, performing semantic reduction based on the forest global semantic vector to form a carbon reserve prediction result. Based on the above content, the problem that the reliability of forest carbon reserve prediction is relatively low in the prior art can be improved.

The utility model discloses a light feeding instrument to solve the problem that retina light damage is possibly caused after long-term use in the prior art, and meanwhile, the treatment effect is also improved. Compared with the prior art in which only parameters such as red light source power and emergent light beam size are concerned, the utility model focuses on the important index of irradiance (power density), emergent light is a collimated Gaussian beam and the optical characteristics of eyes (a human eye refraction system is equivalent to a convex lens with a focal length of 17.2 mm). An optical component diffuser is additionally arranged at the position close to the cornea of a user, so that a collimated Gaussian beam is converted into diffused light to enter the eyes of the user, and diffused light spots are formed on the retina, the treatment area is sufficient, energy distribution is uniform, it is ensured that the irradiance is at the expected safety magnitude, and meanwhile the actual treatment effect is ensured.

1. The name of this design product: Handheld red light therapy device for pain. 2. Purpose of this design product: This design product is used for auxiliary treatment of soft tissue injuries and chronic pain. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The invention relates to the technical field of photovoltaic materials and agricultural facilities, in particular to a photovoltaic packaging adhesive film for an agricultural photovoltaic greenhouse, a preparation method of the photovoltaic packaging adhesive film and a photovoltaic panel. The invention relates to a photovoltaic packaging adhesive film for an agricultural photovoltaic greenhouse. The photovoltaic packaging adhesive film is mainly prepared from the following components in parts by weight: 90-99 parts of matrix resin, 0.05-1 part of a reversible photochromic pigment, 0.05-1 part of noctilucent powder and 0.7-3.5 parts of an auxiliary agent, the reversible photochromic pigment turns red under ultraviolet irradiation; the noctilucent powder emits blue light under the excitation of natural light or ultraviolet light, and the afterglow time is not less than 10 hours. The photovoltaic packaging adhesive film disclosed by the invention is used for an agricultural photovoltaic greenhouse, and can improve the light utilization rate, convert light rays such as ultraviolet rays into red light and blue light beneficial to crop growth, enhance photosynthesis and further improve the growth condition of crops.

The invention relates to the technical field of laser centering, in particular to a centering device special for laser cutting light beams and a using method. And in combination with vision and a special adjusting device, coaxial adjustment of a laser beam and the center of the nozzle can be rapidly completed through a self-adaptive algorithm, the intelligent level of the laser cutting machine is improved, and an important link of laser cutting full-automatic machining is complemented. The centering device comprises a motor module connected with the laser cutting head, an imaging device, a visual acquisition device and a control unit; according to the method, a visual collection device and an imaging device are matched to collect the center position of a nozzle and the center position of red light of a laser, the center position is converted into the movement distance of a motor module in a centering device in real time through a self-adaptive algorithm, and position offset is conducted on a focusing lens in a laser cutting head; by calculating the position deviation value of the nozzle center and the red light center of the laser, centering is ensured to meet the requirement, so that coaxial adjustment of the laser beam and the nozzle center is realized.