27 results about "Visible laser light" patented technology

A video laser module includes: a substrate; an optical waveguide layer formed on the substrate; a visible laser light source configured to output visible light; and an electrical signal generation element. The optical waveguide layer includes: a first optical waveguide in which the visible light having a wavelength of 380 nm to 800 nm propagates; and a visible light output port of the first optical waveguide from which the visible light is output. The electrical signal generation element generates an electrical signal for controlling a drive current of the visible laser light source.

The invention relates to a front sight laser aiming auxiliary device which is used for guiding a kirschner wire to present a point-shaped perspective shadow on a C-arm screen in an orthopedic operation, and belongs to the technical field of medical instruments. The device aims at solving the problems that in traditional Kirschner wire perspective point forming operation, repeated perspective depends on the experience of an operator, radiation exposure is large, and operation precision is difficult to guarantee. The device mainly comprises a front sight base which can be fixed on the surface of a receiver of the C-arm machine, wherein a ball head base is arranged in the center of the front sight base; and the ball head laser indicator is arranged on the base and is adjustable in laser direction. When in use, the perspective image is adjusted to the central position of the front sight on the screen by moving the metal point on the operating table. Installing a laser lamp, adjusting the laser lamp to irradiate on a metal point on an operating table, and screwing a nut to fix the position of the laser lamp at the moment. Therefore, a visible laser guide line coinciding with the path of the target X-ray beam is established. And an operator only needs to adjust the guide needle along the laser ray and place the guide needle, so that the guide needle can be stably developed in a point shape in a perspective image, and accurate and rapid screw guide needle placement is realized. The device is simple in structure, low in cost, intuitive in operation, capable of remarkably reducing intraoperative radiation and reducing dependence on experience of operators, and suitable for being used in hospitals of all levels to carry out precise orthopedic surgery under perspective guidance.

An automatic laser lofting system based on a mobile robot platform, comprising a mobile platform, a mechanical arm, an end effector, a control box and a three-dimensional laser projection positioning system, wherein the mechanical arm is movably mounted on the mobile platform; the end effector is carried at the end of the mechanical arm; the three-dimensional laser projection positioning system manipulates the end effector to dynamically project lofting points to the construction site to present accurate visible laser points for 2D industrial camera recognition; the control box uniformly coordinates the actions of the mobile platform, the mechanical arm, the end effector and the three-dimensional laser projection positioning system.

A ranging device, which relates to the field of instrument measurement. The ranging device is integrated with a ranging module (1) and a dual-color laser indication module (2), wherein the ranging module (1) is used for measuring the distance to a target object, the dual-color laser indication module (2) comprises a visible-laser assembly (22) and an infrared-laser assembly (23), the visible-laser assembly (22) is used for emitting a visible laser, the visible laser can be directly observed by human eyes, and an infrared laser emitted by the infrared-laser assembly (23) can be observed by a night-vision device. By means of providing the dual-color laser indication module (2), dual functions, i.e., a visible-laser function and an infrared-laser function, are integrated, such that different lasers can be used on the basis of different scenarios; if there is need to perform direct observation, the visible laser is used to irradiate a target object, and if there is need to improve concealment, the infrared laser is used to irradiate the target object; and when the infrared laser is used to perform indication and the ranging module is used to perform distance measurement at the same time, two emitted laser beams are not directly observed by naked eyes, such that a target distance can be measured without exposing the position of a user, thereby having higher concealment.

The invention provides a point cloud feature accurate extraction and external parameter calibration method based on error amplification, and the method comprises the steps: calculating the position where a target feature is projected to a background grid through the overlapping position of visible laser passing through a target gap and the edge of the background grid, and carrying out the equal-ratio zooming, thereby reducing the position error of a target in a laser radar coordinate system, and achieving the precise extraction of the target feature. According to the method, accurate target space position information under a laser radar coordinate system is obtained, then reverse compensation is performed on laser pixel coordinates, when errors exceed a set threshold value, the coordinates of the target under the laser radar coordinate system are corrected, so that system errors are reduced, and finally external parameter calibration is performed. The problem of calibration errors caused by large laser radar point cloud data errors during long-distance data acquisition in the calibration process is effectively solved.

1. Name of the designed product: Laser pointer (AIML). 2. Use of the designed product: The designed product is mainly used for pointing by illuminating objects with a collimated visible laser beam. 3. Design points of the designed product: In shape. 4. Picture or photo best indicating the design points: Perspective view.

1. Name of the product in this design: Laser pointer (11). 2. Purpose of this design: It is an auxiliary aiming accessory for shooting equipment, which is installed on the equipment and indicates the target position by emitting a visible laser beam to assist aiming. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The utility model discloses a multifunctional tactical lamp sight for a pistol. The multifunctional tactical lamp sight comprises a main body, a light emitting assembly, a quick-release guide rail locker and a quick-release tail cover. A battery bin is arranged in the body, and a gear switch is arranged on the bottom face of the body. The light emitting assembly comprises a visible laser aiming module, an invisible laser aiming module, an LED lighting module and an invisible laser lighting module. The locking device is matched with the Picatinny guide rail. The multifunctional laser aiming device integrates the four functions of visible laser aiming, invisible laser aiming, visible light LED illumination and invisible laser illumination, is compact and firm in overall structure and excellent in waterproof performance, and is suitable for various tactical environments and using habits.

To provide a vehicle in which, out of ease of detection and ease of visibility, at least ease of detection of a visible laser pattern is improved.SOLUTION: A vehicle according to an embodiment of the present disclosure includes an imaging unit and a laser light source. The imaging unit and the laser light source are installed at a position where a linear laser pattern on a traveling path and a straight line connecting the imaging unit and the laser light source intersect each other, and are installed at the position separated from each other by a gap capable of detecting bending due to an object in the linear laser pattern included in acquired first image data when the object is placed on the traveling path and the first image data is acquired by the imaging unit in a state where the linear laser pattern is generated at a position including the object on the traveling path.SELECTED DRAWING: Figure 3

The application provides a kind of optical path coupling alignment method of external cavity semiconductor laser, comprising the following steps: adjusting the position and angle of optical fiber, so that the optical fiber is coupled with semiconductor laser chip;Adjust the position and angle of collimating lens, so that the invisible laser emitted by semiconductor laser chip is collimated through collimating lens;Place a visible light laser on one side of the semiconductor laser chip, adjust the position and angle of the visible light laser, so that the visible laser emitted by the visible light laser is parallel to the invisible laser;Adjust the position and angle of the mirror, so that the visible laser emitted by the adjusted visible light laser is reflected along the original optical path after the mirror, keep the angle of the mirror unchanged, adjust the position of the mirror, and translate the mirror to the laser optical axis of the semiconductor laser chip.In the specific operation process of coupling alignment of the application, optical method, mechanical method and space geometry are combined, which effectively reduces the alignment difficulty of optical path coupling and improves the operation efficiency.

The invention discloses a firearm intelligent fire control system and a manufacturing method thereof, and relates to the field of firearms, the firearm intelligent fire control system comprises a lower machine body, a battery bin, an operation panel and an upper machine body, the battery bin is installed at the bottom of the lower machine body, the operation panel is installed on the front face of the lower machine body, an objective lens set is installed at one end of the lower machine body, and an eyepiece set is installed at the other end of the lower machine body; the upper machine body is installed at the top of the lower machine body, and the drive-by-wire switch is fixedly embedded in one end of the lower machine body. According to the invention, all lasers are arranged in a manner that the optical axes are parallel, and a distance measuring laser transmitter, a distance measuring laser receiver, an IR laser and a visible laser are uniformly subjected to collimation optical axis parallel design through a highly compressed divergence angle; an IR laser is designed by compressing a divergence angle into a specific angle, the IR laser and the other four lasers are designed to be parallel to optical axes, and finally the five sets of lasers are fixed in a centralized mode through structural parts to form a complete laser assembly.

This application provides a dynamic moving monitoring tunnel deformation detection device and method based on dual vehicles, belonging to the field of rapid tunnel deformation detection technology. The detection device and method are based on a dual moving platform with a front vehicle and a rear vehicle. The front and rear vehicles rely on several RFID tags for flexible positioning and movement. From the initial position to the next measurement point within the visible distance, the visible laser rangefinder on the rear vehicle illuminates the laser positioning target of the front vehicle moving to the next measurement point and measures the precise distance between the two vehicles. The industrial vision analysis system of the front vehicle acquires the visible laser spot image on the laser positioning target and calculates the offset coordinates of the laser spot center on the laser positioning target. By dynamically measuring the predetermined tunnel range, the cross-sectional coordinates of the tunnel pipe at different time domains at the same location are calculated and compared to obtain the overall related deformation change of the tunnel pipe, thereby improving the efficiency and accuracy of tunnel deformation detection.

The invention discloses an intermediate infrared laser optical fiber coupling method and system based on visible light reverse guidance. The system comprises an intermediate infrared laser, a light beam guiding module, a light beam collimation evaluation module and a reflection type collimator which are sequentially arranged in the direction of a main light path. Wherein the reflective collimator is connected with a visible laser source through a target optical fiber, and the visible laser source is detachably connected to the far end of the target optical fiber; the intermediate infrared laser and the light beam guiding module form an initial reference light path, and the visible laser source, the reflective collimator, the light beam collimation evaluation module and the light beam guiding module form a space reference light path; carrying out light path coupling on the initial reference light path and the space reference light path until the light beam of the intermediate infrared laser is completely overlapped with the initial reference light path and the space reference light path; according to the invention, a coupling mechanism of firstly establishing an absolute reference and then completing relative restoration is formed, and rapid, accurate and visual alignment and coupling of intermediate infrared laser are realized.

The application provides a kind of invisible light laser radar transmitting and receiving light path fast coaxial calibration device, and relates to the technical field of laser radar.The invisible light laser radar transmitting and receiving light path fast coaxial calibration device includes a receiving telescope, and the receiving telescope is provided with a telescope receiving surface.The application can quickly and real-time locate and display the reference light spot position and exit direction by introducing a visible light calibration light source, which can quickly and conveniently assist in debugging and calibrating the coaxiality of the non-visible light laser radar transmitting and receiving light path, solve the problems of spending a lot of time for blind calibration in the existing non-visible light source laser radar system, and being unable to determine whether the light beam interferes with the light path turning system structure, resulting in light spot loss and misalignment, improve the debugging efficiency of the operator, and ensure the environmental safety of the operator in the case of high-power invisible laser light source, with low cost, simple and flexible calibration method, and can be used as a tool structure to assist in field debugging.

The application discloses an atomic force microscope-full internal reflection infrared spectrum synchronous acquisition device and method, relates to the field of infrared spectrum technology, and combines the infrared laser and the visible laser through a beam combiner, so that the infrared laser and the visible laser are collinear, and collinear laser is obtained. The incident adjusting assembly makes the collinear laser focus on the sample side through the incident side of the three-prism perpendicularly, and makes the focal point of the collinear laser be located directly below the needle tip, completes the spatial position coupling of the collinear laser and the atomic force microscope probe, and a processor processes the micro-cantilever deflection signal generated by the atomic force microscope and the reflected laser intensity signal generated by the photothermal detector, and simultaneously obtains the atomic force microscope infrared spectrum and the full internal reflection infrared spectrum, so that the atomic force microscope infrared spectrum and the full internal reflection infrared spectrum can be synchronously acquired, and the atomic force microscope infrared spectrum and the full internal reflection infrared spectrum can be collected simultaneously and in situ.

The present invention relates to a terahertz wave reflection optical system module for irradiating a sample with terahertz waves and detecting terahertz waves reflected from the sample, the module comprising: a mirror block having mounted thereon a plurality of parabolic mirrors that constitute a sample irradiation optical system and a sample reflection optical system; an emitter mounting part which is position-adjustably coupled to one side of the rear of the mirror block and has an emitter mounted thereon; a detector mounting part which is position-adjustably coupled to the other side of the rear of the mirror block and has a detector mounted thereon; and a visible laser unit coupled to a side surface of the mirror block.

This invention belongs to the field of ultrasonic testing technology, specifically a defect location optical projection system and method for ultrasonic testing. The system includes an ultrasonic testing instrument, an ultrasonic probe, a data processing unit, and an optical projection device. The ultrasonic testing instrument and ultrasonic probe perform conventional ultrasonic testing functions, detecting defects and calculating their horizontal distance L. The data processing unit receives the horizontal distance L and, based on pre-input or stored probe parameters, calculates accurate projection coordinates using a mapping algorithm. The optical projection device receives instructions from the data processing unit and emits visible laser light. In this invention, the system uses the data processing unit to accurately convert the abstract defect horizontal distance data output by the ultrasonic testing instrument into projected coordinates on the workpiece surface, combined with probe parameters. The optical projection device then projects visible marks in real time, eliminating the need for manual marking and making the defect location intuitively visible. This significantly improves positioning accuracy by eliminating the need for secondary estimation by operators.

The application provides a kind of method for measuring log using log measuring instrument, start power switch, user operation touch screen;User aims at the log to be measured by log measuring instrument, according to the size of the log to be measured, preliminary adjustment measuring equipment to the distance of log;Long press the photograph button, at this time, visible laser is lit and emits quadrilateral pattern, adjust the position of log measuring instrument, adjust the quadrilateral pattern to the log area to be measured, and ensure that the four corners of quadrilateral are located in the cross section of log;Release the photograph button, wait for log measuring instrument to calculate measurement;The measurement result is obtained by voice broadcast diameter grade, and the measurement result of the picture of the log can be seen on the touch screen, and the measurement data is uploaded to cloud server for saving, and the measurement is completed.The method for measuring log using log measuring instrument of the application is simple to operate, convenient to measure, and high in measurement efficiency.

This invention provides a method for accurate point cloud feature extraction and extrinsic parameter calibration based on error amplification. It utilizes the overlap between the visible laser light passing through the gaps in the target and the edge of the background grid to calculate the position of the target feature projected onto the background grid. This is then scaled proportionally to reduce the target's positional error in the lidar coordinate system, obtaining accurate spatial position information of the target in the lidar coordinate system. This allows for reverse compensation of the laser pixel coordinates. When the error exceeds a set threshold, the target's coordinates in the lidar coordinate system are corrected, further reducing system errors. Finally, extrinsic parameter calibration is performed, effectively solving the problem of large errors in lidar point cloud data during long-distance data acquisition, which leads to calibration errors.

The application provides a dual-wave infrared laser synchronous calibration and coupling system and method, which comprises a first mid-infrared laser, a second mid-infrared laser, a semi-transparent half-mirror, a first mirror, a second mirror, a third mirror, a fourth mirror, a first diaphragm group, a second diaphragm group, a third diaphragm group, a first reflective collimator, a second reflective collimator, a first visible laser source, a second visible laser source, a first mid-infrared optical fiber, a second mid-infrared optical fiber, a first output end collimator, a second output end collimator, a standard device, a first detector and a second detector. The application innovatively converts the alignment problem of invisible light into the accurate adjustment of visible light, solves the technical problem of synchronous calibration and efficient coupling of the dual-laser system, has the characteristics of simple operation, high precision and low cost, and is particularly suitable for the synchronous measurement of multiple parameters of combustion fields, catalytic reaction flows and other thermal chemical reaction processes.

The utility model discloses a fire-fighting detector action testing device, and relates to the technical field of fire-fighting detectors. The fire-fighting detector action testing device comprises a testing seat with a testing area, the testing seat is provided with a laser aligner and a flame simulation radiation source, the laser aligner is used for emitting visible laser from the testing area to the outside, and the flame simulation radiation source is used for simulating the flame simulation radiation source. The flame simulation radiation source is used for emitting radiation signals simulating flame radiation characteristics outwards from the test area. Compared with the prior art, the flame characteristic signal can be simulated under the condition that open fire is not used, so that comprehensive, safe and reliable testing of the fire-fighting detector is achieved, and the problem that a traditional flame testing method cannot be used in special places such as chemical workshops, oil depots and hospital operating rooms due to the risk of fire disasters or explosions is solved.

The utility model discloses double-beam multi-loop laser reflection type gas leakage detection equipment which can integrate a visible laser light source and a specific wavelength laser light source and can realize multi-light-path reflection. The double-beam multi-loop laser reflection type gas leakage detection equipment comprises a detection device, a laser reflection device, a position adjusting device and a data processor, the detection device comprises a shell; an emitter and a receiver are arranged in the shell; the transmitter and the receiver are distributed in an L shape; a dual-wavelength laser diode is arranged in the emitter; the number of the laser reflection devices is at least three. The emitter is provided with a first wiring terminal; a second wiring terminal is arranged on the receiver; and the first wiring terminal and the second wiring terminal are electrically connected with the data processor through data lines. By adopting the double-beam multi-loop laser reflection type gas leakage detection equipment, the calibration of the detection device and the reflection device is more convenient.

The invention relates to the technical field of computational imaging and microscopic imaging. The invention relates to a dual-band single-pixel holographic microscopic imaging device, which is used for carrying out penetration imaging on a medium or a thick tissue sample with a scattering characteristic by utilizing an invisible light band, and acquiring high-resolution surface form information of the sample by utilizing a visible light band, so as to realize dual-band complementary observation. The device comprises a dual-band illumination module composed of a visible laser (1), an invisible light laser (2) and a dichroscope (3), a beam combining and expanding module composed of a collimation beam expander (4) and a condenser (5), an objective lens (6), a sample to be tested, an off-axis parabolic mirror group composed of a first off-axis parabolic mirror (7), a second off-axis parabolic mirror (8) and a third off-axis parabolic mirror (9), and a spatial modulation element (10). A fourth off-axis parabolic mirror (11) and a fifth off-axis parabolic mirror (12).

The invention discloses a central venous pressure intelligent measurement system and method based on multi-source information fusion. The system comprises a main control module, a liquid level detection module, a positioning module, a posture sensing module, a man-machine interaction module, a mechanical adjustment module, a communication module and a power management module. Accurate positioning of the anatomical zero point is realized through visible laser rays of the positioning module; the inclination angle is automatically monitored through the attitude sensing module, and real-time cosine compensation is carried out on a measured value; the height of the liquid level is detected in a high-precision manner through a non-contact multi-channel capacitance sensing array; and finally, the multi-source information is fused by the main control module, and a central venous pressure value is calculated and output through a data fusion algorithm. The system realizes full-process automation and intellectualization from zero point positioning, liquid level detection to data fusion, effectively solves the problems that a traditional method is inaccurate in positioning, subjective in reading and incapable of digitally recording and an existing electronic scheme is high in cost and complex in operation, and has high precision, high reliability and clinical usability.

The invention provides a power line difference removing system and method based on combination of laser and an unmanned aerial vehicle reflection holder, and belongs to the technical field of intelligent power systems.The system comprises a laser emitting end arranged on a vehicle, a mounting platform arranged on the vehicle and provided with a horizontal angle adjusting mechanism and an elevation angle adjusting mechanism; a first laser generator and a second laser generator are arranged on the mounting platform, the first laser generator can emit invisible laser, the second laser generator can emit visible laser, and the second laser generator and the first laser generator can emit coaxial laser; the unmanned aerial vehicle is provided with a holder, the holder is provided with a first reflecting device, and the reflecting mirror is used for reflecting laser beams generated by the laser transmitting end. The foreign matter on the power line is removed through laser reflection by means of the unmanned aerial vehicle carrying the reflection device, the foreign matter on the power line is efficiently, safely and accurately removed, and the unmanned aerial vehicle has complex terrain environment adaptability.

Laser focusing mechanism, characterized in that the laser focusing mechanism comprises a laser head, at least one visible laser generator and a lifting frame; wherein the visible laser generator is provided in the laser head, wherein the laser head and the visible laser generator emit at least two visible laser beams whose optical paths intersect, wherein the laser head is arranged on a lifting frame, wherein the lifting frame is configured to move the laser head along the Z-direction and to allow the light spots of the visible laser beams to overlap in order to achieve focusing.

The application discloses a surgical positioning system and method. The system comprises an X-ray device, a first laser pointer and a second laser pointer. The X-ray device comprises a rack, an X-ray generating device and an X-ray detector. The X-ray generating device and the X-ray detector are arranged at two ends of the rack respectively. The X-ray generating device is used for emitting an X-ray beam. The first laser pointer is movably arranged on the X-ray generating device. The first laser pointer is used for emitting a first laser beam. The first laser beam is planar and irradiates on the X-ray detector. The second laser pointer is movably arranged on the X-ray generating device. The second laser pointer emits a second laser beam. The second laser beam is planar and irradiates on the X-ray detector. The intersection line of the first laser beam and the second laser beam is arranged in line with the X-ray beam. The application forms a visible laser spot on the surface of a patient's body which is consistent with the path of the X-ray beam by arranging the intersection line of the double laser beams in line with the X-ray beam. The application realizes intuitive and accurate surgical direction indication.