Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

49 results about "Red laser" patented technology

Vertical cavity surface emitting laser based on composite metal substrate and photonic crystal

The invention relates to the field of semiconductor lasers, and discloses a vertical cavity surface emitting laser based on a composite metal substrate and photonic crystals, which comprises a CIC composite metal substrate, a GaAs buffer layer, a lower n-type DBR, an n-type contact layer, a multi-junction cascade active region, a p-type contact layer and an upper p-type DBR which are sequentially arranged from bottom to top, a plurality of two-dimensional photonic crystals are etched in the light emitting direction of the upper layer p-type DBR; the thermal stability and reliability of the device under a high-power continuous working condition are effectively improved, stable single-mode output is realized, light field limitation is enhanced, light beam quality is improved, array and on-chip integration are facilitated, the problem of low efficiency of a 650nm red light laser in the aspect of single-mode output of a base VCSEL is effectively solved, and the device has a wide application prospect. The method has a good application prospect and a wide application range.
Owner:SHENZHEN TECH UNIV

Bubble defect detecting and positioning system and method based on X-ray enhanced partial discharge

The invention discloses a bubble defect detecting and positioning system and method based on X-ray enhanced partial discharge, and belongs to the technical field of nondestructive testing of insulating materials, the system comprises a shielding box slidably mounted on a three-dimensional linear guide rail, an X-ray machine and a red laser are embedded in the shielding box, and double-oblique-angle cameras are mounted on two sides of the three-dimensional linear guide rail; the laser positioning synchronization device is installed on the movable collimation X-ray scanning module, and the movable collimation X-ray scanning module emits an X-ray beam towards the basin-type insulator to be detected; the laser positioning synchronization device emits a laser beam towards the basin-type insulator to be detected; the laser beam is coaxial with the X-ray beam; the double-oblique-angle camera shoots the basin-type insulator to be detected; the pressurization circuit is respectively connected with the pressurization electrode and the partial discharge detection system, and the pressurization electrode is electrically contacted with the basin-type insulator to be detected; the intelligent control platform is connected with the voltage increasing circuit, the movable collimation X-ray scanning module, the laser positioning synchronization device, the double-oblique-angle camera and the partial discharge detection system.
Owner:XI AN JIAOTONG UNIV

Dynamic calibration method for precise stamping preparation of gold-based soldering lug based on multi-mode laser positioning

The invention discloses a dynamic calibration method for precise stamping preparation of a gold-based soldering lug based on multi-mode laser positioning, and belongs to the technical field of high-precision brittle gold-based soldering lug manufacturing. Comprising the following steps that a strip roll material is fed into a machining table top, and a welding strip is positioned through positioning laser; visual data of the edge of the strip coil stock and the multi-stage combined stamping head are obtained, and the pre-stamping offset of the edge of the strip coil stock and a rough stamping head in the multi-stage combined stamping head is calculated; the pre-punching offset is transmitted to a displacement compensation table and a multi-stage combined punching head for displacement compensation; rough punching is conducted on the strip roll material through a rough punching head, and the gold-based soldering lug is fixed; collecting an edge image of the gold-based soldering lug after rough punching, and calculating an edge trimming amount; and the edge finishing amount is transmitted to a red laser finishing device in the multi-stage combined punching head for fine punching. Through multi-stage stamping and post-stamping laser trimming, visual identification and a trimming amount algorithm are combined, and the machining precision of + / -5 [mu] m level of the X-Y axial surface can be achieved.
Owner:GRIKIN ADVANCED MATERIALS

Laser projection equipment, laser projection equipment heat dissipation method and heat dissipation device

ActiveCN114253058BProjectorsImaging qualityRed laser
The present invention discloses a laser projection device, a heat dissipation method for the laser projection device, and a heat dissipation device, which belong to the field of imaging technology. The temperature detection component in the laser projection device is used to obtain the temperature of the red laser during operation; the processing component is used to control the radiator to dissipate heat from the red laser so that the temperature of the red laser is between a first temperature value and a second temperature value. The first temperature value is the highest temperature value at which the color ratio of the red laser emitted by the red laser in the imaging picture of the laser projection device deviates less than a specified value, and the second temperature value is the lowest temperature value at which the color ratio of the red laser emitted by the red laser in the imaging picture of the laser projection device deviates less than a specified value. This solves the problem that the heat dissipation method of the laser projection device in the related art is not comprehensive enough and it is difficult to ensure the imaging effect of the laser projection device, thereby achieving the effect of effectively ensuring the imaging quality of the laser projection device.
Owner:QINGDAO HISENSE LASER DISPLAY CO LTD

Light source system and projection device

PendingCN121657351AProjectorsOptical ModuleRed laser
The light source system comprises a first light module, the first light module comprises a first light source and a second light source, the first light source is used for emitting first light, and the second light source is used for emitting second light. And the second optical module comprises a third light source, and the third light source is used for emitting third light. The light combining module is used for combining the first light, the second light and the third light, the optical expansion amount of the first light and the second light is larger than that of the third light, and the third light is red laser. The first optical module and the second optical module with different optical extensions are used, and the third light is the red laser, so that the light source system can emit higher brightness under the condition of extremely small volume, and compared with a wavelength light combination scheme, the design difficulty and the manufacturing difficulty of optical elements in the light combination module are reduced.
Owner:APPOTRONICS CORP LTD

Dual-wavelength beam laser composite additive manufacturing device and method

The invention provides a dual-wavelength beam laser composite additive manufacturing device which comprises a powder feeding nozzle, a red light laser, a green light laser and a scanning galvanometer. A red laser beam emitted by the red laser is output by the laser output channel and is focused on the processing surface to form a red light spot; a green laser beam emitted by the green laser is controlled by the scanning galvanometer to enter the red laser beam in a circular swinging mode and is focused on the machining face to form a green light spot, and the formed green light spot is located on the inner side of the red light spot. The invention provides a dual-wavelength beam laser composite additive manufacturing method. A scanning galvanometer is adopted to control a green laser beam to periodically swing in a red light spot coverage area according to a set circular path. According to the method, the dynamics and microstructure of the molten pool are optimized, the thermal gradient and the cooling rate are adjusted, and ideal conditions are provided for high-density manufacturing of materials such as nickel-based high-temperature alloy, aluminum alloy and copper alloy.
Owner:JIANGSU UNIV

Integrated optical chip for augmented reality display and preparation method thereof

The present invention discloses an integrated optical chip for augmented reality display and a preparation method thereof, belonging to the field of optoelectronics and display technology. The integrated optical chip includes a first end face coupler, a second end face coupler, and a third end face coupler, and the first end face coupler, the second end face coupler, and the third end face coupler are sequentially provided with a 2×2 multimode interference coupler, a microring filter, a 1×2 multimode interference coupler, an interlayer coupler, a thin-film lithium niobate phase shifter, a phase shifter control electrode, and a grating antenna array structure; wherein, the first end face coupler is used to couple an external red laser into the chip, the second end face coupler is used to couple an external blue laser into the chip, and the third end face coupler is used to couple an external green laser into the chip. This technical solution is used to solve the problem that the display system in the prior art is difficult to simultaneously meet the requirements of lightness, low power consumption, and high resolution.
Owner:CHONGQING UNIV

Portable laser shooting teaching aid target display device

The invention discloses a portable laser shooting teaching aid target display device which comprises a panel assembly and a three-primary-color LED matrix control circuit and is characterized in that the three-primary-color LED matrix control circuit controls a three-primary-color LED matrix through a color driving circuit, characters and / or patterns which are engraved on the panel assembly in a penetrating mode are irradiated from the rear portion to generate five colors, and the five colors are displayed on the three-primary-color LED matrix control circuit. The five functions of the laser simulated shooting receiving target include green, laser hitting the receiving target, red, laser not hitting the receiving target, blue, power-on standby, cyan, charging, purple and charging completion; according to the target scoring display device, a jumper wire and a bidirectional optocoupler are adopted to adapt to high and low levels of an input end, a Darlington control matrix drives a relay, and the relay drives a three-primary-color LED matrix; the portable laser shooting teaching aid target display system has the advantages of being sensitive in response, visual and soft in display, small in size, convenient to integrate and the like. The method can be widely applied to display systems of electronic equipment for classroom teaching, games, entertainment and the like.
Owner:GUIZHOU VOCATIONAL & TECH COLLEGE OF WATER RESOURCES & HYDROPOWER

An adaptive cable entanglement detection method

ActiveCN116697893BImprovement interval is too largeImprove the problem of too smallUsing optical meansElectromagnetic wave reradiationReal time analysisRed laser
This invention discloses an adaptive cable winding detection method, applicable to a detection environment consisting of a linear red laser, a laser rangefinder, a filter, an industrial camera, and an industrial control computer. The method includes: 1. calibrating the image acquired by the industrial camera; 2. performing real-time analysis of the pixel data of the cable under test acquired by the industrial camera, calculating the vertical coordinate difference of the pixels; 3. applying the calibration results to calculate the actual vertical coordinate difference of the cable under test; and 4. calculating the required offset adjustment of the motor of the cable under test. This invention has a simple structure and is easy to operate. It can detect and predict the winding of cables in real time, update the cable winding offset direction in real time, and improve the problem of excessively large or small intervals during cable winding, thereby improving the efficiency of cable winding.
Owner:CHANGZHOU INST OF ADVANCED MFG TECH +1

A red-green-blue three-primary color large pulse energy Raman laser

ActiveCN117543321BLaser detailsHigh peakRed laser
The application belongs to the field of Raman laser, and particularly relates to a red-green-blue three primary color large pulse energy Raman laser, which comprises a pumping laser, a plano-convex lens A, a Raman cell and a plano-convex lens B, the pumping laser is a Nd:YAG pulse solid laser, a mixed gas of D2 and inert gas in the Raman cell is pumped by a doubled 532nm pulse laser, three times of focusing are carried out in the Raman cell, and finally first order Stokes red laser, first order anti-Stokes blue Raman laser and green pumping laser are simultaneously output, the pulse energy reaches above 140mJ, 50mJ and 140mJ respectively, and the peak power reaches 10MW level. The application has the advantages of simple structure, fast debugging, low cost and high peak power of output laser, and provides a Raman laser for generating red-green-blue three primary color laser with high cost performance and large pulse energy.
Owner:DALIAN INSTITUTE OF CHEMICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Head-up display system and transportation machine

Provided is a head-up display system and a transportation machine including the head-up display system, the head-up display system including a windshield glass having a selective reflection layer and a projector including laser light sources of three colors of blue light, green light, and red light for forming a projection image on the windshield glass,in which the selective reflection layer includes the following selective reflection central wavelengths λB, λG, and λR at a light incidence angle of 60°,400⁢ nm≤λB<500⁢ ⁢nm500⁢ nm≤λG<600⁢ ⁢nm600⁢ nm≤λR<700⁢ ⁢nmall of XB / XG, XB / XR, and XG / XR are in a range of 0.80 to 1.20.In the above, XB=RB×LB, XG=RG×LG, and XR=RR×LR.RB, RG, and RR indicate a natural light reflectivity at λB, λG, and λR, and LB, LG, and LR indicate the brightness of blue, green, and red laser beam emitted from the projector.
Owner:FUJIFILM CORP

Infrared laser for electronic whiteboard

The utility model belongs to the technical field of semiconductor lasers, and discloses an infrared laser for an electronic whiteboard, which comprises a shell, an infrared laser diode, a focusing lens, an optical lens module and a driving circuit. A focusing lens and an optical lens module are sequentially installed at the front end of the infrared laser diode, an optical lens of the optical lens module is a linear wave lens, the included angle between the lens surface of the linear wave lens and an infrared laser spot can be adjusted through a lens sleeve of the optical lens module, and lasers with different optical film thicknesses and laser field angles are formed. The method is suitable for electronic whiteboards in various scenes. The front end of the shell is cylindrical, and the rear end is square, thereby facilitating installation and debugging. The infrared lasers are symmetrically installed in the middle of an electronic whiteboard frame, a sector formed by the two lasers completely covers the whiteboard, and the red laser is additionally arranged in the middle to serve as an indicating light source. The electronic whiteboard is suitable for being used in various scenes, and has the advantages of being easy and convenient to install and high in recognition precision.
Owner:SHAANXI RICHENG TECH DEV CO LTD

Optical fiber communication test instrument (NK1500)

ActiveCN309504303SRed laserOptical power
1. The name of the product under this design: Fiber Optic Communication Test Instrument (NK1500). 2. Purpose of this product: This product is used to measure the length, loss, and optical power of optical fiber cables, and can locate faults visually with a red laser source. It is used for troubleshooting and testing optical fiber communication networks. 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: three-dimensional picture.
Owner:NOVKER

Device and method for quickly testing mirror surface system of MEMS (Micro Electro Mechanical System) quick reflecting mirror based on white light interferometer

The invention provides a device and a method for rapidly testing a mirror surface system of an MEMS (Micro Electro Mechanical System) fast reflecting mirror based on a white light interferometer. The device comprises an MEMS fast reflecting mirror, a red laser pre-alignment unit, a white light interference test unit, a bearing adjustment unit and a main control unit, the red laser pre-alignment unit is used for emitting a laser beam to the MEMS fast reflecting mirror, receiving a reflected light spot and obtaining a light spot coordinate, and is used for pre-alignment of the MEMS fast reflecting mirror and the white light interference test unit; the white light interference test unit is used for emitting a measurement light beam to the MEMS fast reflecting mirror, receiving interference fringes formed by superposition of a reflection light beam and a reference light beam, and collecting an interference image to finish accurate measurement of the three-dimensional surface type of the mirror surface; the bearing adjusting unit is used for installing and fixing the MEMS fast reflecting mirror and adjusting the position and angle of the MEMS fast reflecting mirror under the control of the main control unit; the main control unit is electrically connected with the white light interference test unit, the red laser pre-alignment unit and the bearing adjustment unit and used for controlling all the units. According to the invention, rapid and accurate alignment of the MEMS fast reflecting mirror and the white light interferometer is realized.
Owner:SHANGHAI MAIKAI TECHNOLOGY CO LTD

PANX1 / P2X7R antagonist and application of PANX1 / P2X7R antagonist in preparation of medicine for treating oral inflammation through synergistic effect with red laser irradiation

The invention relates to the field of medicines for treating oral inflammations, and provides a PANX1 / P2X7R antagonist and application thereof in preparation of a medicine for treating oral inflammations through a synergistic effect with red laser irradiation. Wherein the PANX1 / P2X7R antagonist comprises a sulfonated triphenylmethane dye, a gel material, an antacid, a humectant, a preservative, a solvent and other acceptable components. Wherein the first application is the application of the PANX1 / P2X7R antagonist in preparation of medicines for treating oral inflammation; the second application is the application of the PANX1 / P2X7R antagonist in preparation of a medicine for treating oral inflammation under the synergistic effect with red laser irradiation; the PANX1 / P2X7R antagonist is combined with red laser irradiation to serve as a regulator of ATP inside and outside cells, and remarkable synergistic anti-inflammatory, anti-oxidation, antibacterial and repair-promoting effects are shown.
Owner:TIANYI JIARONG (TIANJIN) TECHNOLOGY CO LTD

Dual-wavelength laser efficient cladding method, obtained coating and application

The invention discloses a dual-wavelength laser efficient cladding method, an obtained coating and application, the method adopts red wavelength laser and blue wavelength laser with complementary absorption characteristics to form a composite action light spot with space and energy capable of being independently regulated and controlled through a beam synthesis technology; the red laser carries out coaxial powder feeding and radiation in the direction vertical to the base body so as to provide main body energy needed for forming and metallurgical bonding of a molten pool; and the blue laser is synchronously incident at a paraxial angle of 10-60 degrees with the primary optical axis of the red laser beam, the energy absorption on the high-reflection metal surface is enhanced through the wavelength characteristic of the blue laser, and the blue laser and the red laser cooperatively regulate and control the flowing of the molten pool. Through the coupling effect of the red-blue dual-wavelength laser, the light absorptivity of the surface of the copper alloy can be improved, the powder utilization rate can be increased, the bonding strength of the coating and the matrix can be improved, and the residual stress of the cladding layer can be reduced.
Owner:OCEAN UNIV OF CHINA

A quasi-continuous green laser light emitting device and its use method

The present invention proposes a quasi-continuous green laser light-emitting device and a method for using the same. The seed laser optical path includes a laser, which emits a seed laser; the seed laser is divided into a first laser and a second laser after passing through a polarization beam splitter; the second laser propagates at a ninety-degree angle to the first laser; the first optical path includes a first frequency-doubling crystal and a first dichroic mirror; the first laser forms a first frequency-doubling laser after passing through the first frequency-doubling crystal, and the first frequency-doubling laser is divided into a first useless laser and a first monochromatic laser after passing through the first dichroic mirror; the first monochromatic laser enters a polarization beam combiner; the second optical path includes a second frequency-doubling crystal, a second dichroic mirror, and a third dichroic mirror; the second laser forms a second frequency-doubling laser after passing through the second frequency-doubling crystal, and the second frequency-doubling laser is divided into a second useless laser and a second monochromatic laser after passing through the second dichroic mirror; the polarization beam combiner emits a synthesized laser. This technical solution uses a relatively low-priced red laser to obtain green laser light.
Owner:WUHAN GUANGZHI SCI & TECH CO LTD

Lighting system and projection device

PendingUS20260029703A1ProjectorsExcitation beamPhosphor
The present invention provides a lighting system that combines tri-color pure lasers and phosphors and a projection device thereof. The lighting system helps to improve the phenomenon of laser speckle and includes a laser light source module, a wavelength converter, a segmented dichroic mirror, and a light homogenizing component. The laser light source module is configured to provide blue, green, and red laser beams. The wavelength converter is configured to reflect the tri-color laser beams and convert the blue laser beam into an excitation beam. The segmented dichroic mirror is configured to reflect the tri-color laser beams and at least a portion of the excitation beam from the wavelength converter. The light homogenizing component is configured to receive and homogenize the tri-color laser beams and at least a portion of the excitation beam from the segmented dichroic mirror to provide an illumination beam.
Owner:CORETRONIC CORPORATION

Auxiliary electronic control equipment for traffic assistant management

The invention relates to the technical field of traffic assistant management, in particular to electronic control equipment for assisting traffic assistant management, which comprises a mounting column, a mounting ring, a mounting plate, an adjusting seat, a green laser transmitter, a red laser transmitter, a mounting block, an alignment laser transmitter and the like. Mounting rings are fixedly connected to the mounting plates, the two mounting plates are mounted on the two mounting columns through the mounting rings, an adjusting seat is arranged on the mounting plates, a green laser transmitter and a red laser transmitter are mounted on the adjusting seat, a controller is arranged on the mounting plates, a mounting block is connected to the top of the adjusting seat, and an alignment laser transmitter is mounted on the mounting block. The forward and backward motor drives the gear to rotate forward and backward, so that the alignment laser transmitter is driven to swing in a reciprocating mode, the alignment laser transmitter can project vertical light rays, when the vertical light rays irradiate the photosensitive sensor, the controller controls the forward and backward motor to be turned off, and the angle of the adjusting base can be automatically adjusted.
Owner:GUANGZHOU HUAXIA VOCATIONAL COLLEGE

Emergency railway track traffic signal lamp

ActiveCN223479054UVisible signalsTraffic signalRed laser
The utility model discloses an emergency railway track traffic signal lamp, and relates to the technical field of traffic signal equipment. The device structurally comprises an equipment box, a lifting table, an electric telescopic rod, a lamp holder and a turning cover; the electric telescopic rod is mounted at the bottom in the equipment box; two guide sliding sleeves which are in vertical guide fit with the lifting platform are respectively fixed on the opposite inner walls of one half part of the equipment box; the flip cover is rotationally mounted at the upper end of the other half part of the equipment box through a hinge; the telescopic end of the electric telescopic rod is connected with the lifting table through a plug pin. The signal lamp provided by the utility model not only can quickly respond to emergency situations, but also can effectively remind trains which are close to a platform and are ready to enter the station and vehicles which are far away from the station and are ready to enter the station through double warning effects of the red signal lamp and the red laser lamp, so that accidents are avoided; meanwhile, the signal lamp has a height adjusting function, and interference of objects close to the ground is reduced; in addition, the signal lamp is powered by a mobile power supply, so that the adaptability and flexibility of equipment are enhanced.
Owner:LANZHOU JIAOTONG UNIV

Pistol type three-wavelength laser water quality detection optical instrument based on DMD (Digital Micromirror Device)

The invention discloses a DMD-based pistol-type three-wavelength laser water quality detection optical instrument which is characterized in that an X prism is arranged on an integrated module at the front end of a water quality detection optical instrument body, and a 420 blue-violet laser, a 280 ultraviolet laser, a 680 red laser and a bonding lens shaping module are respectively arranged on the periphery of the X prism in the horizontal direction; a micro sample pool and a TIR steering prism are arranged on one side of the balsaming lens shaping module, a focusing coupling module, a receiver, an embedded control module and a power supply module are arranged under the TIR steering prism, the water quality detection optical instrument body can detect various water quality parameters such as COD, turbidity and nitrate at the same time, the field operation convenience is greatly improved, and the water quality detection optical instrument can be applied to water quality detection. The device adapts to the rapid detection requirement of emergency monitoring, is combined with a temperature compensation algorithm, ensures that the detection precision meets the field detection requirement, solves the problems of low divergent beam combination efficiency and poor coaxiality in a traditional optical instrument, effectively improves the utilization rate of weak attenuation optical signals, and improves the modulation efficiency and the detection precision.
Owner:SHANGHAI YANMU OPTOELECTRONIC TECH CO LTD

Automatic focusing gluing machine

The utility model relates to the technical field of dispensing machines, in particular to an automatic focusing dispensing machine. The utility model provides an automatic focusing glue dispenser which comprises a workbench, a supporting frame, sliding blocks, a glue dispenser body, a red light laser and the like, first sliding grooves are symmetrically formed in the front portion and the rear portion of the workbench, the supporting frame is connected to the two first sliding grooves in a sliding mode, two second sliding grooves are formed in the right side of the supporting frame, and the sliding blocks are connected to the two second sliding grooves in a sliding mode. The right side of the sliding block is slidably connected with a dispenser body, and a red laser is installed on the lower portion of the dispenser body. Through the arrangement of the guide frame, the guide rod, the placement plate, the cleaning sponge, the screw rod, the motor and the moving frame, after dispensing is completed, a worker only needs to start the motor and drive the screw rod to drive the moving frame, the placement plate, the guide rod and the cleaning sponge to move accurately, and it is ensured that the cleaning sponge makes contact with the dispensing head and thoroughly cleans the dispensing head; the problem of blockage or damage caused by glue hardening is avoided, and the service life of the dispenser is prolonged.
Owner:SHENZHEN CAPTAIN TECH CO LTD

Double-color holographic sighting telescope based on metasurface multi-color super pixels

The invention discloses a double-color holographic sighting telescope based on metasurface multi-color super pixels, which belongs to the field of holographic optics and comprises a sighting telescope shell, a sighting telescope window is arranged on the sighting telescope shell, and a red laser reflection unit, a green laser reflection unit and a metasurface holographic reticle are arranged in the sighting telescope shell along a light path. The red light laser reflecting unit comprises a red light semiconductor laser, a red light 1 / 4 wave plate and a red light reflecting mirror, the green light laser reflecting unit comprises a green light semiconductor laser, a green light 1 / 4 wave plate and a green light reflecting mirror, and the metasurface holographic reticle is a transmission-type metasurface of a hologram with aiming reticle marks. The nano microstructure of the metasurface holographic reticle is an elliptic cylinder structure; the double-color holographic sighting telescope based on the metasurface multi-color super pixels has the advantages of being high in transmittance, low in power consumption, light in weight and low in cost, achieves long-distance rapid sighting, adapts to complex environments, is long in endurance and is suitable for large-scale application.
Owner:HARBIN INST OF TECH

Laser projection device

The application provides a laser projection device, a light source comprising a red laser component, a green laser component and a blue laser component, which respectively emit red laser, green laser and blue laser; the red laser component is arranged close to a light outlet of the light source; a static diffusion sheet is arranged in the light path of the combined blue laser and green laser or respectively for the blue laser and the green laser, so that the blue laser and the green laser are first diffused and then combined with the red laser beam; a converging lens group is arranged at the light outlet of the light source, which is used for reducing the spot of the combined three-color laser beam and then emitting the three-color laser beam from the light outlet of the light source; a diffusion wheel and a light receiving component are arranged between the converging lens and the light receiving component, which are used for diffusing the three-color laser beam in the converging state; and the light receiving component is a light guide pipe or a compound eye lens, which is used for homogenizing the three-color laser beam after diffusion. The laser projection device can present a projection picture with high brightness and good color.
Owner:QINGDAO HISENSE LASER DISPLAY CO LTD

optical time domain reflectometer

1. The name of the design product: optical time domain reflectometer. 2. The use of the design product: for the length, loss, optical power measurement of optical fiber cable, red laser source visual fault positioning, for troubleshooting test of optical fiber communication network. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:HUIZHOU SAI FIBER TECHNOLOGY CO LTD

Light source device and optical system

The invention discloses a light source device and an optical system. The light source device comprises a laser module, a fluorescent module, a guide module, a light combination module and a control module. Each laser unit included in the laser module is used for generating a path of red laser, a path of green laser and a path of blue laser. The guiding module is arranged on the light path where the N paths of blue laser, the N paths of green laser and the N paths of red laser generated by the N laser units are located. The fluorescent module is arranged on a light path where the N-M paths of second blue laser are located. The light combining module is arranged on the light path where the M paths of first blue laser, the N paths of green laser, the N paths of red laser and the specified fluorescence are located and used for generating specified combined light. The control module is electrically connected with the laser module and used for adjusting working parameters of the N laser units so as to adjust light parameters of specified light combination. The control module can adjust the specified light combination color according to the actual application requirement of the optical system provided with the light source device, and the flexibility of color adjustment is improved.
Owner:APPOTRONICS CORP LTD

Optical laser displacement sensor and measurement method

PendingCN122107944AUsing optical meansLight spotRed laser
The application discloses a kind of optical laser displacement sensors and measurement methods, including including dual-color laser emission module, optical splitter, emission shaping optical component, receiving imaging module, control and processing module;The dual-color laser emission module includes red laser and blue laser, and the receiving imaging module includes imaging lens, image sensor and band-pass filter.This scheme solves the problem of separating the superimposed light spot of the traditional sensor measuring transparent glass through the innovative design of dual-color laser time-sharing emission and spot width feature analysis, realizes the synchronous accurate measurement of thickness and upper and lower surface position, and has strong anti-interference, compact structure and good industrial application prospect.
Owner:SHANGHAI SODILONG AUTOMATION CO LTD

Laser assembly

The application discloses a laser assembly and belongs to the technical field of optoelectronics. The laser assembly comprises a bottom plate, a heat sink and a plurality of light-emitting chips, wherein the plurality of light-emitting chips emit red laser, blue laser and green laser; at least one light-emitting chip comprises a first electrode, a light-emitting structure and a second electrode which are sequentially stacked in a direction away from the bottom plate, the first electrode is a P electrode, is laid on a surface of the light-emitting structure close to the bottom plate, and a surface of the first electrode away from the light-emitting structure is a convex-concave surface; at least one light-emitting chip is attached to a side of the corresponding heat sink away from the bottom plate, and a contact surface of the corresponding heat sink is the convex-concave surface of the P electrode, wherein the convex-concave surface comprises a plurality of recessed areas recessed in a direction away from the heat sink and a plurality of raised areas outside the plurality of recessed areas. The application solves the problem of poor heat conduction effect of the light-emitting chip in the laser assembly.
Owner:QINGDAO HISENSE LASER DISPLAY CO LTD

A copper alloy dual-wavelength laser synergistic pulsed magnetic field additive manufacturing device and method

The application provides a copper alloy double-wavelength laser synergistic pulse magnetic field additive manufacturing device and method, and belongs to the field of additive manufacturing.The device comprises a substrate for additive manufacturing of a printed part; a base is arranged directly above the substrate and moves horizontally relative to the substrate; a blanking mechanism is arranged on the base and delivers a powder material to the substrate; a first laser is arranged on the base and emits blue laser towards the substrate; and a second laser is arranged on the base and emits red laser towards the substrate; the blue laser irradiates raw materials and forms a molten pool on the substrate from the powder material; and the red laser irradiates the molten pool to input a heat source and expand the molten pool.The application designs the starting time of irradiation of the red and blue lasers, adjusts the power and spot area of the red and blue lasers, finely controls the molten pool formed by additive manufacturing of copper or copper alloy, and solves the problems of low forming efficiency and poor compactness of copper or copper alloy in the additive manufacturing process.
Owner:INSTITUTE OF MATERIALS & INTELLIGENT MANUFACTURING JIANGXI ACADEMY OF SCIENCES

Integrated flashlight

The utility model discloses an integrated flashlight. The integrated flashlight comprises a flashlight body, a PCBA board, a lamp panel and a battery piece, the lamp panel, the PCBA board and the battery piece are all installed on the flashlight body, the lamp panel and the battery piece are electrically connected to the PCBA board, and the lamp panel is provided with a main lamp bead, a UV lamp bead and a red and green laser lamp bead. The main lamp beads, the UV lamp beads and the red and green laser lamp beads are arranged on the lamp panel, so that the diversification of the lighting function is realized; the main lamp bead serves as a basic illumination light source, high-brightness and long-range light can be provided, and the requirement for large-range illumination in the dark environment is met; the UV lamp bead has an ultraviolet light emission function and plays an important role in the fields of industrial detection, medical disinfection, anti-counterfeiting identification and the like; the red laser has high penetrability and good visibility, and can be used for indicating a target position and positioning or marking at night or in a low-visibility environment; and the green laser has a farther visual distance and a clearer indication effect.
Owner:SHENZHEN LEIMINGYU PHOTOELECTRIC