20 results about "Visible laser" patented technology

The utility model provides an indicating light emitting device of a laser oral cavity therapeutic instrument. The indicating light emitting device comprises a laser emitting assembly, a therapeutic laser assembly, a lens fixing assembly and a visual laser assembly. The laser emitting assembly comprises a laser transmission channel, a first laser reflecting mirror and a laser emitting tip; the treatment laser assembly faces the laser transmission channel; the visual laser assembly comprises a visual laser chip, a second laser reflector and a semi-reflecting and semi-transmitting mirror. Visual laser is connected to an existing light path composed of a laser transmission channel, a first laser reflecting mirror and a laser emitting tip by means of a second laser reflecting mirror and a semi-reflecting and semi-transmitting mirror, so that treatment laser and the visual laser are output through the same light path, and therefore the visual laser is provided for assisting in observing a treatment laser drop point. And an operator can conveniently and accurately control the drop point position of the treatment laser.

A vibrationally enhanced fluorescence microscopy system includes a narrowband pulsed mid-infrared laser configured to excite selected chemical bond vibrations in a sample. A continuous-wave visible laser is coaligned with the mid-infrared laser and configured to induce fluorescence from at least one fluorescent reporter bound to the sample. An external pulse generator temporally synchronizes emission of the mid-infrared pulses with emission of the visible laser. A reflective objective is arranged to deliver the mid-infrared pulses to a focal plane within the sample. A water-immersion objective is coaxially aligned with the reflective objective and arranged to collect the fluorescence from the focal plane. A photon-counting detector is coupled to receive the collected fluorescence. Control electronics are configured to output a vibrational-contrast signal derived from counts produced by the photon-counting detector.

A laser alignment tool for flange fit-up includes tapered centering nuts that seat in flange bolt holes, a mounting bolt to secure the nuts, and a connector rod extending through the nuts. A yoke bracket at the laser end carries a rotatable laser housing with an integrated laser projection system. A manual actuator controls a clamping head that selectively locks the laser housing orientation. Multiple bubble levels on the nuts, rod, and housing provide comprehensive leveling verification. The tool projects a visible laser line across flange surfaces to provide precise visual alignment reference for positioning flanges relative to corresponding components, eliminating inaccuracies of manual alignment techniques while enabling single-operator use with 360-degree rotational adjustment capability for complex angular alignments in oil and gas applications.

The invention discloses an automatic calibration gas detection system and calibration method based on cooperation of mid-infrared light and visible light, and relates to the technical fields of optical detection, environmental monitoring, automatic control and the like, mid-infrared laser and visible laser are combined and emitted into a multiple reflection pool, and initial alignment is carried out based on visible laser of indicating light in an initial state; a high-reflectivity mirror bracket of the multiple reflection pool is provided with a stepping motor used for adjusting the angle of a high-reflectivity mirror, in the operation process, the signal intensity and the signal-to-noise ratio are monitored in real time, the stepping motor is driven to adjust the angle of the high-reflectivity mirror according to the monitoring result, and closed-loop automatic calibration is achieved. According to the invention, the invisible mid-infrared light path is visualized by using coaxial indicating light, so that the calibration time of initial installation and daily maintenance is shortened, the angle of the high-reflectivity mirror is automatically adjusted, the offset of the light path is compensated and the optimal detection state is kept during the operation of the system, and the long-term stability and reliability of the system are improved.

A system such as a vehicle, building, vessel, aircraft, or electronic device system may have a layer of material with invisible laser-drilled openings. The layer of material may include an outer layer of fabric overlapping an inner layer such as an inner foam layer. Laser-drilled openings may include outer openings in the fabric layer and inner openings in the foam layer. Each of the inner openings may be overlapped by multiple outer openings. The exposed surface of the fabric layer may have strands of material of different appearances and / or may otherwise be configured to help visually hide the laser-drilled openings. Laser-drilled openings may also have small sizes to help make the laser-drilled openings invisible. Laser-drilled openings may overlap components such as audio components, heating and cooling components, and / or light-emitting components.

This invention discloses a laser irradiation therapy device based on metal film directional scattering beam expansion, comprising a chassis, a power supply module, an intelligent control module, a mid-infrared laser emission module, and a human-computer interaction component mounted on the chassis. It also includes a laser transmission module, a metal film directional scattering beam expansion and homogenization module, a visible laser emission module, a temperature detection module, and an adjustable support. During operation, the mid-infrared laser is transmitted to the beam-combining module via a light guide arm or flexible mid-infrared hollow fiber, while the visible laser is transmitted to the beam-combining lens via a visible light incident channel. The two lasers form a coaxial composite beam at the beam-combining lens, which together irradiates the metal film component. After directional scattering and beam expansion, the beam is output from the light outlet to the working area, forming an expanded and homogenized light spot. This therapy device, with the metal film component as the core optical shaping component, has advantages such as clear structure, adjustable light output direction, adjustable light spot area, visualized working area, and high safety.

The invention provides a wavelength-switchable and tunable all-fiber visible light laser. The wavelength-switchable and tunable all-fiber visible light laser comprises a pump laser, a first dichroscope, a single-mode gain fiber, a second dichroscope and a coupling distance regulation and control device, pump light output by the pump laser is directly coupled into the single-mode gain optical fiber through the first dichroscope and is absorbed by the single-mode gain optical fiber to generate fluorescent light, and the fluorescent light is transmitted to the second dichroscope, is reflected back to the output end of the single-mode gain optical fiber through the second dichroscope and then is coupled back to the single-mode gain optical fiber. The fluorescence is reflected and amplified for multiple times to form laser which is output through the output optical fiber; and the second dichroscope is arranged on the coupling distance regulation and control device and is used for regulating and controlling the coupling distance between the output end of the single-mode gain optical fiber and the second dichroscope so as to realize laser wavelength switching and tuning. According to the invention, flexible switching among cyan light, orange light and red light can be realized, tuning of respective wavelength ranges can be realized, and the device has the characteristics of fast switching speed and wide tuning range.

The invention provides a flexible detection device and method for the direction of a drainage hole of a sliding rail sleeve. The device comprises a base, a transparent cover, a driving assembly, a rotating table, a loading and unloading assembly and a plug. The transparent cover is connected to the base and is provided with at least one tolerance ring pattern; the driving assembly is mounted on the base; the rotating table is connected to the output end of the driving assembly, and a plurality of loading and unloading assemblies are arranged on the rotating table in the circumferential direction; the plug is in threaded connection with the drain hole and provided with a laser pen, and the axis of the laser pen coincides with the axis of the drain hole. According to the invention, the plug with the laser pen is mounted in the drain pipe joint of the slide rail sleeve, so that visible laser indicating light replaces invisible drain hole pointing, and whether the drain hole pointing of the slide rail sleeve is qualified or out-of-tolerance degree is visually and quantitatively confirmed by combining a calibrated tolerance ring pattern of the drain hole pointing on the transparent cover; compared with an existing qualitative evaluation method of manual operation, the method is smaller in detection error and higher in efficiency.

The utility model relates to the technical field of photoelectronics, in particular to a multimode optical fiber coupling packaging visible light laser, which is characterized in that a TO tube seat assembled with a laser tube core, a low-temperature solder ring and a coaxial coupling jacket structural member are in interference pressing fit to form an assembly to be coupled, and low-temperature stepped reflow soldering is carried out to form a multi-mode optical fiber coupling packaging visible light laser. Inserting an optical fiber assembly comprising an optical fiber of which the front end face is a certain inclined angle or a wedge-shaped lens end face, a standard optical output interface connector, an optical fiber conical protective sleeve, a stainless steel tailstock and a ceramic ferrule into the front assembly to be coupled, and performing active coupling alignment through a high-precision coupling table under the condition that a laser is powered up; meanwhile, fine adjustment and locking are conducted through the fixing assembly, and then installation can be completed; in some low-cost application scenes, the technical problem that in the prior art, an optical fiber coupling packaging semiconductor visible light laser is obviously insufficient in the aspects of light beam quality, coupling efficiency, coupling packaging alignment and fixing is solved in the mode.

The invention discloses a gas detection device and method, and belongs to the technical field of gas detection. The gas detection device comprises a detection light path module, a visible laser module, a signal detection module and a gas absorption cell module, according to the invention, through a first spectroscope of a detection light path module, visible laser and a detection light beam are spatially coaxial, and a coupled light beam is multiplexed to a single-hole coaxial-configuration Herriott cell for long-optical-path absorption; and the signal detection module is integrally packaged by a reference end and a detection end detector. An additional beam combining device and an independent light path are not needed, the alignment state of the light path can be directly observed through visible light, the conflict between system miniaturization and debugging convenience is solved by combining the stability of a single-hole structure, unification of high integration, high stability and convenient debugging is achieved, high sensitivity of trace gas detection is guaranteed, and the detection efficiency is improved. The method is suitable for portable equipment and industrial on-line monitoring scenes.

The invention discloses a computer closed-loop control method for 3C products based on multi-dimensional data analysis, and belongs to the technical field of computer control in the design industrial process. According to the method, intelligent control over automatic labeling of the 3C products is achieved through five steps. The method comprises the following steps: 1, obtaining a product specification and production line information, determining a labeling surface, and matching a 3C size by combining the size; 2, scanning and identifying a product labeling point based on specification information, driving a laser transmitter to project a visible laser frame, calibrating the labeling point in real time, and ensuring the position accuracy; 3, combining the position of the labeling point and production line information to obtain the necessary residence time of the product to guarantee the completion of the operation; fourthly, labeling is conducted within the staying duration, the single-time quality is detected in real time, and the success rate within the time period is counted at intervals and compared with a threshold value; fifthly, if the success rate is lower than a threshold value, the residence time is automatically optimized, and parameters are reconfigured; and if the parameters are higher than the threshold value, current parameter operation is kept, self-adaptive adjustment is achieved, and the efficient and high-quality labeling requirement is met.

A guiding and positioning device for assisting in computed tomography-guided needle biopsy (CT-GNB) includes a control mechanism and an actuating mechanism, where the actuating mechanism includes a base and a support frame; one of the two head ends of the support frame is provided with a locking mechanism; a positioning apparatus includes a first guide rail in an arc shape, and the first guide rail is slidably provided with a guiding apparatus configured to guide different puncture angles in a same plane; the guiding apparatus includes a deflection drive mechanism slidable along the first guide rail, and a first translation mechanism and a second translation mechanism that are arranged perpendicular to each other; and the second translation mechanism is slidably provided with a guiding mechanism configured to guide a puncture through a visible laser space.

The application discloses a 3C product computer closed-loop control method based on multi-dimensional data analysis, and relates to the technical field of industrial process computer control, which realizes intelligent control of automatic labeling of 3C products through five steps. In the first step, product instruction and production line information are acquired, a labeling surface is determined, and 3C size is matched in combination with the size; in the second step, product labeling points are scanned and recognized based on the instruction information, a visible laser frame is projected by driving a laser emitter, labeling points are calibrated in real time, and the position is ensured to be accurate; in the third step, necessary product residence time is obtained in combination with the labeling point position and the production line information, and operation completion is ensured; in the fourth step, labeling is performed within the residence time, single-time quality is detected in real time, success rate within an interval statistical period is calculated, and the success rate is compared with a threshold value; and in the fifth step, if the success rate is lower than the threshold value, the residence time is automatically optimized, and parameters are reconfigured; if the success rate is higher than the threshold value, current parameters are kept to run, adaptive adjustment is realized, and the demand for efficient and high-quality labeling is met.

The application relates to a multi-channel spatial resolution curved crystal spectrometer and an assembling and adjusting method thereof, and the assembling and adjusting method comprises a positioning process of a plasma X-ray radiation source and specifically comprises the following steps: S1: taking a positioning object point irradiated by visible laser as a simulated plasma X-ray radiation source, adjusting a multi-channel curved crystal device to a visible laser reflection light path, and adjusting a framing camera to an image plane position of the multi-channel curved crystal device; S2: determining the relative position of the positioning object point relative to the multi-channel curved crystal device through a multi-light-path sighting lens, wherein the multi-light-path sighting lens is fixedly arranged relative to the multi-channel curved crystal device; and S3: replacing the positioning object point with the plasma X-ray radiation source according to the position of the positioning object point determined by the multi-light-path sighting lens, so as to complete the positioning of the plasma X-ray radiation source. Compared with the prior art, the application has the time-resolved X-ray energy spectrum measurement function and realizes rapid and accurate offline assembly and online debugging.

The application discloses a praseodymium-doped visible light laser and a debugging method thereof. The laser comprises a double-end pumping module for generating pumping light; a praseodymium-doped gain medium module located on an optical path between the double-end pumping module and used for generating visible light laser under excitation of the pumping light; an auxiliary Kerr medium module comprising an undoped YAG crystal and located in a resonant cavity and used for enhancing Kerr lens effect of the visible light laser in the resonant cavity; and the resonant cavity comprising a plurality of end mirrors and an output coupling mirror and used for outputting the visible light laser from the output coupling mirror after oscillation in the end mirrors. By using the above system, the serious thermal effect generated by the tightly focused cavity of the mode-locked laser is effectively reduced, the nonlinear effect is enhanced to improve the mode-locked stability, the excellent combination of high-power output and ultrashort pulse characteristics is realized, and a reliable technical path is provided for practical application of the visible light ultrafast laser.

The application provides a satellite-borne laser radar ground test echo simulation system and method, wherein a synchronous input module is used for receiving a synchronous pulse signal provided on a satellite as a timing reference of the echo simulator system; a data bus interface is used for receiving a time of a satellite to a ground surface along a laser direction at a current time forwarded on the satellite; a main wave and echo trigger module comprises an electrical synchronization unit and an optical synchronization unit; a laser module comprises a pulse laser module, a continuous laser module, a laser modulation module and a visible light indicating laser; the pulse laser module and the continuous laser module are respectively used for generating different types of laser; the visible light indicating laser is used for generating a human eye visible laser for aiming at an optical axis; a collimation aiming module comprises a collimation mirror and an aiming telescope, the collimation mirror is used for expanding and collimating output light of the laser modulation module; and the aiming telescope is used for aiming at a spot of the visible light indicating laser to receive a receiving field of view.

The utility model relates to the technical field of photoelectron testing, in particular to a low-cost TO18 and TO38 packaging visible light laser testing tool with a temperature control function, which comprises a fan with a temperature control function, an aluminum profile radiator, a semiconductor cooler with a central hole, a copper radiating seat, a radiating seat fixing assembly and a laser fixing assembly. TO18 and TO38 standard sockets are arranged between the aluminum profile radiator and the fan with the temperature control function, the fan with the temperature control function is further provided with an electrical interface transition PC board and an eight-pin electrical interface socket, the semiconductor cooler with the center hole is connected with the aluminum profile radiator, the copper radiating seat is connected with the semiconductor cooler with the center hole, and the copper radiating seat is connected with the aluminum profile radiator. The heat dissipation base fixing assembly is used for fixing a copper heat dissipation base, and the laser fixing assembly is used for fixing TO18 and TO38 packaged visible light lasers, so that the technical problems of high cost, complex structure and large size of a temperature control mode during testing of the lasers in the prior art are solved.

The utility model discloses a laser focusing mechanism and laser processing equipment. The laser focusing mechanism comprises a laser head, at least one visible laser generator and a lifting frame, the visible laser generator is arranged on the laser head, the laser head and the visible laser generator at least emit two visible laser beams with light paths intersecting with each other, the laser head is arranged on the lifting frame, and the lifting frame is configured to drive the laser head to move in the Z direction and enable light spots of the visible laser beams to coincide so as to complete focusing. According to the laser focusing mechanism, a user only needs to carry out lifting adjustment on the laser head through the lifting frame according to the thickness of a to-be-machined material, so that light spots of visible laser beams coincide with the surface of the to-be-machined material, and focusing is completed; according to the laser focusing mechanism, in the focusing process, tedious operations such as focal length position judgment through actual machining and subsequent effect observation are not needed, the focusing operation is simple, the professional requirement for operators is low, and the applicability is wide.

A driving assist device of an embodiment of the present disclosure is provided with an acquisition section and a control section. The acquisition section is capable of periodically acquiring image data of a snow surface in front of a vehicle on which a visible laser pattern or a near-infrared laser pattern in a straight line shape is irradiated. The control section is capable of performing display control or travel control for the vehicle based on a plurality of time-series image data acquired by the acquisition section. The control section is capable of performing both of the following (1) and (2). (1) Detecting a bending point of the visible laser pattern or the near-infrared laser pattern included in the plurality of time-series image data, and generating curve data connecting a plurality of bending points thus obtained; (2) Performing the display control or the travel control based on the generated curve data.