137results about "Laser constructional details" patented technology

The utility model provides a random laser experiment mounting rack with a sleeve structure, which comprises a rack body, a mounting table, an objective table, a clamping assembly, an adjusting assembly, a shading cylinder and an adjusting disc, the side surface of the shading cylinder is provided with an entrance port and an exit port, the adjusting disc is rotatably arranged on one side of the shading cylinder, a plurality of lenses are detachably arranged on the adjusting disc, and the lenses are fixed on the rack body. A sample is fixed to the objective table through the clamping assembly, the whole sample is covered with the shading cylinder, laser irradiates the sample from the incident port and is emitted out from the emergent port, most of light is shaded through the shading cylinder, light pollution is reduced, the position, irradiated by the laser, of the sample can be adjusted by adjusting the position of the objective table through the adjusting assembly, and experimental research is facilitated; and the different lenses are driven to be aligned with the emergent ports by rotating the adjusting disc, so that the light rays can be researched at different refraction angles, the operation is simple, and various experiment requirements can be met.

In one aspect, an example handheld device for providing a spectrochrome output includes (a) an enclosed chamber containing one or more substances; (b) a light source; (c) an electromagnetic coil; (d) one or more magnets; and (e) a housing, wherein the housing is configured to: (i) secure the enclosed chamber; (ii) secure the light source such that an output of the light source is substantially aligned to pass through the enclosed chamber in one or more directions; and (iii) secure the electromagnetic coil around the enclosed chamber such that an electromagnetic field is created in a substantially same direction of the output of the light source through the enclosed chamber.

The invention relates to the technical field of laser positioning, and discloses a laser positioning device which comprises a shell, a mounting plate is fixedly connected to the inner wall of the shell, a carrier plate is rotatably connected to the inner wall of the mounting plate, a focusing assembly is mounted on the carrier plate, an adjusting assembly is arranged on the carrier plate, and the adjusting assembly comprises a control frame. The control frame is fixedly connected with one side of the carrying plate, and one side of the control frame is fixedly connected with a telescopic rod. The adjusting assembly is in butt joint with an external control signal through the control panel, automatic fine adjustment can be achieved through the telescopic rod, operation is efficient and accurate, meanwhile, in the adjusting process, the gasket can prevent the control frame from directly colliding with the clamping frame, the spring always provides reverse tension, it is ensured that the telescopic rod is not blocked during driving, and the service life of the telescopic rod is prolonged. And angle deviation caused by vibration after adjustment can be prevented, the shell and the panel are fastened in cooperation with installation bolts, and the overall operation stability of the device is further guaranteed.

The utility model discloses a steering mechanism for laser beams, which comprises a mounting component, the mounting component comprises a base and a support rod, and the support rod is fixedly mounted on the upper end face of the base; the rotating part comprises an operation board, a moving frame, teeth, a gear, a through hole, a push rod, an eccentric wheel, a servo motor and a rotating rod; the lower end face of the operation board is fixedly connected with the top end of the supporting rod, the upper end face of the operation board is in lap joint with the lower end face of the movable frame, the surface of the movable frame is fixedly installed on one side of a tooth, one side of the tooth is in meshed connection with the surface of a gear, and the through hole is formed in the upper end face of the movable frame. According to the laser beam machine, when the pushing rod moves in the moving frame and drives the moving frame, the moving frame slides in the limiting opening, horizontal movement is achieved, the direction of the laser beam machine body is adjusted when the gear is driven by the teeth, and the steering structure of the device is simple and easy to use.

The invention discloses a subnanosecond green laser which comprises a subnanosecond green laser body. A base is movably installed at the bottom end of the subnanosecond green laser body, a horizontal adjusting mechanism is arranged in the base, and clamping mechanisms are arranged on the two sides of the base. A mounting seat is movably mounted at the bottom end of the base, a vertical jacking mechanism is arranged between the mounting seat and the middle of the base, and guide mechanisms are arranged at the four corners of the mounting seat and the four corners of the base. When the horizontal position of the subnanosecond green laser body needs to be adjusted, a second rotary knob is twisted, the second rotary knob drives a threaded rod in a transmission groove to rotate, the threaded rod drives a movable block to horizontally move along the interior of the transmission groove when rotating, and when the movable block horizontally moves, the subnanosecond green laser body is driven by a clamping block to horizontally move at the same time; therefore, the purpose of conveniently adjusting the horizontal position is achieved.

The utility model belongs to the technical field of laser welding, and particularly relates to a multichannel laser which comprises a case and a water cooling plate installed in the case, the water cooling plate is provided with a plurality of pumping sources, beam shapers and diaphragms which are sequentially and correspondingly arranged, the case is provided with a plurality of optical fiber bundle channels, and the optical fiber bundle channels are communicated with the pumping sources. Each optical fiber bundle channel is connected with an optical fiber bundle; the pumping source is connected with the beam shaper through a homogenizing optical fiber, the beam shaper is arranged opposite to the diaphragm, and the diaphragm is connected with the optical fiber bundle; the plurality of pumping sources synchronously emit laser, and the laser enters the beam shaper through the corresponding homogenizing optical fibers and irradiates the corresponding optical fiber bundles so as to realize synchronous transmission of multiple beams of laser; according to the utility model, the plurality of channels are arranged, so that laser can be transmitted in different channels and finally output, and synchronous welding and product quality can be ensured when products with complex contours or special-shaped structures are welded.

The utility model provides a laser locator. The laser locator comprises a shell, a power supply unit and a laser output unit. A plurality of laser holes are formed in the surface of one side of the shell; the power supply unit is arranged in the shell and used for providing power; the laser output unit is arranged in the shell, the laser output unit is connected with the power supply unit, the laser output unit comprises a plurality of lasers, the lasers correspond to the laser holes in a one-to-one mode, and the optical axes of the lasers and the axis of the shell are coaxially arranged. And shaft parts at two ends can be ensured to be coaxial and parallel when a pipeline is mounted in a cross-length manner.

This invention discloses a rod-shaped laser crystal packaging device, relating to the field of laser technology. The rod-shaped laser crystal packaging device includes a protective sleeve, a heat sink, a semiconductor cooler, and a base. The protective sleeve has placement holes, into which the rod-shaped laser crystal is placed and welded to the inner wall of the protective sleeve. Both ends of the rod-shaped laser crystal protrude a certain distance from the placement holes. After orienting the rod-shaped laser crystal, the protective sleeve is marked with the crystal orientation. The heat sink has mounting holes, into which the protective sleeve is embedded and welded to the heat sink. The semiconductor cooler is supported below the heat sink. The base is located below the semiconductor cooler. By protruding a certain distance from the placement holes at both ends of the rod-shaped laser crystal, contact between the end faces of the rod-shaped laser crystal and the welding point is physically isolated during welding, avoiding damage to the laser crystal end faces caused by high temperatures during welding. The protective sleeve encapsulates the rod-shaped laser crystal before being placed in the heat sink, facilitating the orientation of the rod-shaped laser crystal.

This utility model relates to the field of semiconductor saturable absorber protection technology, specifically to a solid-state laser semiconductor saturable absorber packaging device, including a base, a SESAM body, a lens barrel, and a dustproof lens; one end of the lens barrel is sleeved on the outside of the dustproof lens, and the other end of the lens barrel is connected to the base; the SESAM body is disposed inside the lens barrel, and the SESAM body is connected to the upper end face of the base; by adding a lens barrel and a dustproof lens, the SESAM body is encapsulated and protected, isolated from the external environment, avoiding frictional contact between the SESAM body and external dust particles, preventing external environmental pollution, ensuring the service life of the SESAM body, and meeting practical application requirements.

Laser system (200), comprising: a case (260); a laser light source in the housing (260); an optical device (220) which is attached to the housing (260) and is designed to allow laser light emitted from the laser light source to pass through the optical device (220); at least one conductive element (230) formed on at least one part of the optical device (220); a first sensor element (240) and a second sensor element (245) in the housing (260); and a measuring circuit (250) which is electrically coupled to the first sensor element (240) and the second sensor element (245) and is designed to measure a characteristic parameter which is indicative of a field between the at least one conductive element (230) and the first sensor element (240) and the second sensor element (245).

To provide a bearing device that is excellent in corrosion resistance to fluorine gas, and is also excellent in dimensional accuracy and durability.SOLUTION: A bearing device to be used in a fluorine gas environment is provided. The bearing device comprises: a magnetic bearing comprising a magnetic body and an electromagnetic coil; and a touchdown bearing for protecting the magnetic bearing, and comprising an inner ring, an outer ring, and a plurality of rolling bodies arranged between the inner ring and the outer ring. The inner ring and the outer ring of the touchdown bearing is made of a NiCrAl alloy.SELECTED DRAWING: Figure 1

The utility model relates to a light beam adjusting device of a laser and laser processing equipment. The light beam adjusting device of the laser comprises a positioning seat and an adjusting seat. The positioning seat is provided with a first accommodating cavity for accommodating the first part of the laser and is used for positioning the front-back position of the first part of the laser in the light emitting direction; the adjusting seat comprises a second seat body and a first adjusting piece. The second seat body is provided with a second accommodating cavity for accommodating the second part of the laser. The first adjusting piece is arranged on the second base body and can move in the first direction relative to the second base body. The first adjusting piece abuts against the second part of the laser so as to move the second part in the first direction and adjust the emergent angle of the laser. Through the light beam adjusting device, the emergent angle of the laser can be adjusted, and the deviation between the laser body and the laser light path is reduced, so that the emergent light collimation of the laser is improved, and the laser processing effect is improved.

The utility model discloses a C-band pulse optical fiber amplifier which comprises an optical fiber amplification bin. A sealing mechanism is arranged at the upper end of the optical fiber amplification bin and comprises a sealing plate, L-shaped plates, sliding columns and sliding grooves, the sliding grooves are symmetrically formed in the left end and the right end of the optical fiber amplification bin, the sliding columns are slidably connected into the sliding grooves, the ends, close to the center of the optical fiber amplification bin, of the sliding columns are fixedly connected with the L-shaped plates, and the sliding grooves are formed in the upper end of the optical fiber amplification bin. The C-band pulse optical fiber amplifier further comprises rotary knobs, the rotary knobs are fixedly connected to the ends, away from the center of the optical fiber amplification bin, of the sliding columns, and the width of the L-shaped plates is larger than that of the sliding grooves. Rapid opening and closing of the closing plate can be achieved, and equipment maintenance is facilitated while the sealing performance of the optical fiber amplifier is guaranteed.

Embodiments of methods and systems for liquid-assisted laser micromachining of a substrate are provided. A laser beam of a laser is directed at a substrate disposed in a liquid-assist medium. The substrate has a first major surface, a second major surface, and a body extending from the first major surface to the second major surface. The liquid-assist medium at least partially covers the second major surface. A focal point of the laser beam is moved along a path through the body from the second major surface toward the first major surface. The body of the substrate is removed along the path to define a cavity. The liquid-assist medium has a surface tension, and the laser pulses the laser beam at a repetition rate (F), in kHz, based on the surface tension (σ), in dyn / cm, according to F = [3.52 + 0.085σ + 0.002e 0,21(σ-37.8)] ± 0.8.

This invention discloses an automatic locking and releasing device and its application for a space laser experimental ultra-stable cavity. The device includes a locking sleeve and locking components. The locking sleeve fixes several locking components, which in turn lock the space laser experimental ultra-stable cavity. Each locking component includes an auxiliary plate, a main fixing pin, a secondary fixing pin, a thermally reversible hydrogel fixing block, a main spring, and a secondary spring. The main fixing pin presses against the main spring and is inserted into the auxiliary plate. The other end of the main fixing pin, passing through the auxiliary plate, is secured by the secondary fixing pin, thus locking the space laser experimental ultra-stable cavity. One end of the secondary fixing pin is elastically pressed against the main fixing pin by the secondary spring, and the other end is fixed and pressed by the thermally reversible hydrogel fixing block. This invention provides appropriate buffering and support under different environmental conditions, offering a simple structure, easy-to-use method, and reliable fixing device and method.

This application discloses a fiber laser, including a housing, a pump source, a reflector, a beam combiner, a beam combiner mirror, and a fiber optic assembly. The housing has a receiving cavity and a clearance slot, with the clearance slot communicating with the receiving cavity. The pump source is fixedly connected to the housing. The reflector is located at the output port of the pump source, and the reflector forms a preset angle with the laser emitted from the pump source. The beam combiner is fixedly connected to the housing. The beam combiner mirror is mounted on the beam combiner, and is arranged parallel to the reflector. The pump source, reflector, beam combiner mirror, and beam combiner are all located within the receiving cavity. The fiber optic assembly passes through the clearance slot and is used to transmit the laser light after passing through the beam combiner mirror. Because the pump source, reflector, beam combiner, and beam combiner mirror are concentrated within the receiving cavity of the housing, the components can be arranged more compactly, reducing the overall size of the fiber laser.

The invention discloses a high-threshold high-anti-reflection laser window and a manufacturing method thereof, and belongs to the field of micro-nano optical processing. According to the method, traditional precious metal and high-temperature annealing processes are abandoned, and low-melting-point soft metal is adopted as an evaporation film material. The method comprises the following steps: heating an optical substrate to 80-200 DEG C in a vacuum environment, maintaining the temperature, and carrying out at least two times of cyclic deposition by utilizing an electron beam evaporation technology; in each deposition, metal is self-assembled on the surface of the heating substrate through a dehumidification effect to form spherical nano-particles, the particles continue to grow on an original array through subsequent deposition, and finally the spherical nano-metal mask with high uniformity and high filling degree is obtained. And etching by taking the mask as a protective layer, transferring the appearance of the mask to the surface of the substrate to form a micro-nano structure, and cleaning to obtain the laser window. The method is simple in process, low in cost and suitable for large-area manufacturing, and the obtained window has the high laser damage threshold value, the high transmittance and the self-cleaning surface characteristic.

The present application relates to the technical field of fiber laser cooling, and provides an airborne fiber laser cooling module and a fiber laser with the module, which comprises a heat dissipation plate and a cover plate, two support plates are arranged in parallel on the lower surface of the heat dissipation plate, and a plurality of flow-around columns are arranged between the two support plates, a fiber installation groove is arranged on the upper surface of the heat dissipation plate, the leading end and the trailing end of the fiber installation groove penetrate the side wall of the heat dissipation plate and form a fiber inlet and a fiber outlet respectively, a heat dissipation cavity is arranged between the upper and lower surfaces of the heat dissipation plate, a capillary structure layer is arranged on the inner wall of the heat dissipation cavity, and the heat dissipation cavity is filled with a liquid working medium. The present application can realize the ingenious combination of the passive cooling of the dissipation heat pipe and the active cooling of the external flow, improve the cooling efficiency, enhance the cooling effect, save power and weight, solve the technical problems that the existing water cooling technology needs complex auxiliary devices and additional power to maintain the liquid flow and working medium circulation, and increase the load burden of the aircraft, and the leakage of the liquid may cause the failure of the fiber laser.

A platform is provided for aligning and securing an instrument, and being attachable to a mount stand. The platform angularly aligns plural independent and parallel rotations separated by linear offset. The platform includes first and second plates, first and second disks and a translational interface. The first plate attaches to the mount stand. The first disk is disposed onto the first plate and can rotate on a first axis. The linear translation assembly includes a block flanked by a pair of flanges. Each flange is disposed on the first disk. The second disk is disposed onto the block and can rotate on a second axis parallel to the first axis. The block slides to translate relative to the pair of flanges. The second plate attaches to the second disk and receives the instrument.

The invention relates to the field of packaging, and discloses a packaging cavity, a packaging structure, a light source module and a semiconductor device, the packaging cavity forms an installation cavity, a crystal is installed in the installation cavity, the packaging cavity is provided with an observation window, the observation window is used for providing an observation channel for debugging a light beam, and the observation channel is provided with a light source. Therefore, debugging personnel can observe the incident position of the light beam to the crystal from the outside of the packaging cavity. The crystal is arranged in the mounting cavity of the packaging cavity, the packaging cavity is provided with the visual window, and the visual window provides an observation channel for a debugging light path, so that debugging personnel can observe the position of the light beam incident to the crystal in real time from the outside of the packaging cavity, dimming is visible, and the debugging efficiency is improved. The blindness and complexity of light path adjustment are solved, and the light path adjustment efficiency is improved.

A laser level system comprises a laser level and a bracket on which the laser level is mounted. The laser level is configured to project at least one laser line. An integral power source is disposed within an interior of the bracket, and the power source is configured to power the laser level. The laser level is rotatable relative to the bracket.

The present application relates to the technical fields of optical device protection, in particular to an automatic optical protection device and a laser emitting device. The optical protection device comprises a protection head and a trigger assembly; the protection head comprises a protection head shell and a protection assembly; the protection assembly comprises a protection assembly body, an elastic member and a cover member; the protection head shell is provided with a containing cavity for containing an optical output head, a light path channel is formed along the light path direction of the containing cavity, the light path channel is provided with the protection assembly at one end away from the optical output head, and the protection assembly body is provided with a mounting area and a light passing hole; the cover member comprises a cover part, a connecting part and a trigger part, the cover part is arranged at one end of the protection assembly body away from the protection head shell, the connecting part is arranged at one side of the cover part close to the mounting area, and the trigger part is arranged on the connecting part or the cover part; and the elastic member is arranged between the connecting part and the protection assembly body. The problem that the optical output head cannot be automatically protected is solved.

The laser head for a high-power fiber laser system has a housing with a height of 5 to 10 mm provided at the bottom. The housing encloses an input collimator assembly that collimates single-mode pump light at a fundamental frequency and a maximum power of 2 kW. The housing further encloses multiple cascaded nonlinear frequency converters that accept the collimated pump light and convert the fundamental frequency to its higher harmonics, the converted light at the higher frequencies having a maximum power of 1 kW. Enclosed within the housing are electronic and light-guiding optical components mounted within the housing. At the bottom of the housing is an electro-optic printed circuit board (EO PCB), which directly supports the input collimator assembly, the multiple cascaded nonlinear frequency converters, and the electronic and optical components in their designated locations.

The invention relates to the technical field of laser obstacle removing instruments, and discloses a laser obstacle removing instrument with a protection structure, the laser obstacle removing instrument comprises a vertically designed protection cylinder, the side wall of the protection cylinder is provided with an opening groove, the bottom of the protection cylinder is also provided with a support frame, the laser obstacle removing instrument also comprises a laser system, the laser system comprises a laser device installed in the protection cylinder, and the laser system is connected with the protection cylinder. The lifting frame is installed in the protective cylinder and can be vertically adjusted in a lifting mode, a sliding frame is horizontally installed on the inner wall of the lifting frame in a sliding mode, the laser is installed on the inner wall of the sliding frame through a rotating assembly, and the laser can be rotationally adjusted within the range of 90 degrees through the rotating assembly. According to the protection cylinder, through cooperation of the trigger part and the rotating assembly, when the protection cylinder topples and the included angle between the protection cylinder and the ground exceeds the preset angle, the trigger part controls the rotating assembly to enable the laser to rotate downwards and retract into the protection cylinder from the open groove, direct collision between the laser and the ground or other objects is avoided, and the laser is effectively protected; and damage caused by toppling is avoided.

An automatic cleaning device and a cleaning system. The automatic cleaning device comprises: an automatic cleaning device body (110); and a sensing module (120), the sensing module (120) being disposed on the automatic cleaning device body (110), and the sensing module (120) comprising: a line laser module and an RGB image acquisition module (123), wherein the line laser module is used for emitting line laser light, the emission direction of the line laser light being horizontally and downward inclined, and the line laser module comprises: an emission assembly (121), the emission assembly (121) being used for emitting single-line laser light.

This utility model discloses a laser sealing ring, comprising: a sealing ring body; and a sealing assembly. The sealing assembly includes a sealing groove formed on the inner ring of the sealing ring body and adjustment holes formed on one side of the sealing ring body near the top and bottom. This utility model has the following beneficial effects: through the sealing ring body and the sealing assembly, when the sealing ring body is fitted onto the laser head, the output end of the laser head enters the ring opening, causing the outer edge of the laser head to press against the adjustment rod. After being pushed, the adjustment rod will move laterally. Since the joint between the adjustment block and the adjustment rod is an inclined structure, when the adjustment rod moves laterally, it can push the vertical adjustment block. The vertical adjustment block thereby drives the sealing block to move. The two sealing blocks move out from the inside of the sealing groove, so that the two sealing blocks clamp the laser head and seal the laser head from the outside world. This allows the sealing blocks to be clamped on the laser head for a long time without falling off due to loss of elasticity due to aging.

The utility model relates to the technical field of anti -drifting support, concretely to a kind of anti -drifting support for narrow line width laser optical cavity, including support plate, rolling groove, screw rod, sliding block, moving plate, vertical board, narrow line width laser body and sliding slot.The anti -drifting support for narrow line width laser optical cavity, the horizontal position adjustment of the narrow line width laser body is realized by the rotation of screw rod driven by servo motor of this support.Servo motor is fixed in rolling groove, its output end is rigidly connected with screw rod, when motor starts, screw rod rotates stably in rolling groove, and the sliding block connected with outer surface thread moves linearly along groove body.

The invention relates to the technical field of laser fault detection, and discloses a laser light path protection and fault rapid positioning method and device, and a medium. The method comprises the following steps: arranging a thermosensitive optical path optical sensor and a space optical sensor at a preset node of a laser; laser power is gradually increased, and light path optical data and corresponding power are bound and stored to preset power after light emitting; controlling the laser to stop light and acquire the initial temperature, gradually increasing the power, acquiring the temperature at preset time after light emission, calculating the temperature increment and the accumulated increment, and stopping light and cooling until the power reaches a preset value after each time of storage; and reading sensor data, calculating actual power and performing early warning. According to the invention, the temperature-sensitive sensor, the optical path optical sensor, the space optical sensor and the control panel are deployed, early warning is carried out by two parameters of power difference and temperature increment, quick response can be realized, device / optical fiber burnout can be avoided, the maintenance cost is reduced, and large-scale integrated equipment is prevented from downtime due to laser fault.