29results about "Laser constructional details" patented technology

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.

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

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 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.

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 present invention relates to a semiconductor device (1), in particular a VCSEL for emitting laser light (2), comprising: a base body (10); a mesa section (20) arranged on the base body; a first metallization area (31) extending from a top surface (11) of the base body (10) along a side surface (22) of the mesa section (20) to a top surface (21) of the mesa section; a second metallization area (32) extending from a side surface (12) of the base body (10) to the top surface (11) of the base body; a third metallization area (33) arranged adjacent to the mesa section (20) on the top surface (11) of the base body (10); wherein the first metallization area (31) overlaps and electrically contacts the third metallization area (33); and wherein the second metallization area (32) overlaps and electrically contacts the third metallization area (33).The present invention further relates to a corresponding method (100) for manufacturing a semiconductor device (1).

The utility model belongs to the technical field of light outlet flange protection cover, concretely relates to a narrow line width NPRO solid laser light outlet flange protection cover, including flange protection cover bottom plate, the outside hinged of flange protection cover bottom plate has flange protection cover main part, still be provided with locking piece on flange protection cover main part, locking piece includes threaded column, is set up threaded hole on the side of flange protection cover main part, threaded column is connected in threaded hole inside in screw thread, flange protection cover bottom plate and flange protection cover main part all adopt zinc oxide material casting to become. The utility model can form a protection cover for protecting light outlet flange on the outside of light outlet flange, reduce the phenomenon that light outlet flange is damaged due to collision in the process of laser transportation or use, and reduce the phenomenon that light outlet flange is polluted in the light outlet of environment, reduce the phenomenon that light output power is reduced due to the pollution of light outlet flange by dust.

This invention provides a multilayer laser protection sheet, a laser output window, and a laser. The multilayer laser protection sheet is applied to the laser, which also includes a laser body. The multilayer laser protection sheet comprises, sequentially arranged, an anti-laser damage layer, a high-transmittance substrate layer, and a protective layer, with the anti-laser damage layer disposed adjacent to the laser body. By adopting the solution provided by this invention, not only is good laser transmittance guaranteed, but it also allows for long-term use without replacing the multilayer laser protection sheet, thereby increasing its service life and reducing costs.

The utility model relates to the technical field of protection device, and disclose a kind of laser operation panel protection device, including fixed frame, the inside fixed mounting of fixed frame has central strip, the bottom of fixed frame is provided with double-faced adhesive, the top and inside of fixed frame are provided with protection mechanism. This laser operation panel protection device, through the composite structure of the rigid fixed frame and the flexible folding cover plate of the protection mechanism set, while giving consideration to the protection intensity and the operation convenience, when using operation panel, folding cover plate can be unfolded in folded state, a large amount of space near frame is saved, the limitation of space occupied by the structure of the flip cover plate is avoided, and at the same time, the mode of magnetic attraction fixation can fix ferrous slide when folding cover plate is unfolded or closed, avoid folding cover plate loosening, ensure that the use of laser will not be hindered.

The utility model relates to a laser technology field especially relates to a light emitting structure of full -color laser, including mounting panel, the central place of mounting panel is equipped with the pass -through, the pass -through periphery of mounting panel top is equipped with annular screw groove, the diffraction grating of rotation symmetry periodic structure covers in the pass -through of mounting panel top, the edge of diffraction grating top is covered with the protective cover, the protective cover is screwed in the annular screw groove of mounting panel top, and mounting panel top is provided with support subassembly, and the positive top of pass -through is installed with the rotating motor on support subassembly, the output of rotating motor penetrates support subassembly, and the output of rotating motor is fixedly installed with the taper prism, and the utility model discloses the dynamic linkage of programming realization light beam angle, colour, combination mode, form the rich and varied laser pattern, satisfy the demand of stage performance, landscape lighting etc. scene to complex light and shadow effect.

An optical amplifier configured to amplify a laser beam, the optical amplifier comprising: an optical path of the laser beam, the optical path comprising a first part and a second part and a reflector configured to reflect the laser beam so as to direct the laser beam between the first and second parts of the optical path, the reflector being configured to reflect the laser beam such that the laser beam reflected by the reflector is parallel to the laser beam incident on the reflector.

The utility model provides a kind of quick laser shutter device suitable for wafer detection equipment shielding laser, including quick laser shutter, the quick laser shutter includes support frame, laser baffle and solenoid, the support frame includes first support plate and second support plate, the second support plate is fixed in first support plate one side, first through -hole is equipped in the first support plate middle, solenoid fixed end is inserted into first through -hole from first support plate other side and is fixed on second support plate, the laser baffle is fixed in solenoid movable end.The utility model drives laser baffle to shield light hole by solenoid, play the role of guiding laser beam and protecting wafer.

The present disclosure provides a laser comprising a laser body, a laser cover, an optical lens outer frame and a first sealing ring. The laser body comprises a lens exposed to the laser body. The laser cover at least partially covers the laser body. The laser cover has a first lens hole. The optical lens outer frame is in a cylindrical structure penetrating along an axial direction. A first end of the optical lens outer frame is connected to the laser body and circumferentially surrounds the lens, and a second end of the optical lens outer frame is connected to the first lens hole. The first sealing ring is arranged between an end face of the first end of the optical lens outer frame and the laser body. The present disclosure prevents dust, rainwater and other impurities from the outside from entering the inside of the laser through the optical lens outer frame, thereby affecting the service life of the precise electronic components inside the laser, by arranging the first sealing ring between the end face of the first end of the optical lens outer frame and the laser body.

This utility model discloses a cross-shaped laser module with positioning points, belonging to the field of laser device technology. It includes a housing, a laser emitting system, a collimating lens, a trapezoidal prism, and a T-shaped cylindrical mirror assembly. The laser beam emitted by the laser emitting system is collimated into a parallel laser beam after passing through the collimating lens. When the parallel laser beam passes through the trapezoidal prism, the middle portion of the parallel laser beam passes through the two bottom edges to form a transmitted beam. The transmitted beam strikes the T-shaped cylindrical mirror assembly perpendicularly, generating two mutually perpendicular laser lines. The parallel laser beams on both sides are reflected by corresponding inclined sides to form two reflected beams. The reflected beams pass through the light-emitting holes on the housing to form two laser positioning point spots. This utility model adds a trapezoidal prism to the optical path, which simultaneously forms a cross-shaped laser line and generates laser positioning point spots on the upper and lower sides of the module, giving it both cross-shaped calibration and point laser positioning functions.

The utility model relates to a kind of optical fiber fixing flange and laser device for laser device, including flange matrix and the flange mounting plate fixed on flange matrix, flange matrix has the first through-hole in the bottom of flange matrix, the second through-hole in the top of flange matrix and the third through-hole between the first through-hole and the second through-hole, the first through-hole is configured to enter with the optical fiber of protective sleeve, the second through-hole is configured to enter with the bare optical fiber after the protective sleeve is removed, the third through-hole is configured to enter with the bare optical fiber of the optical fiber of first through-hole to enter to the second through-hole;Wherein, the first through-hole, the second through-hole and the third through-hole are coaxial line arrangement.Such, it can be with the optical fiber fixing flange to reliably fix optical fiber to laser device stably.

The utility model relates to the technical field of optical fiber laser, specifically visible light instruction side coupling's optical fiber laser, including fixed plate, the one side of fixed plate is slidably installed with mounting panel, and mounting panel is set up in '' L '' shape, laser body, its fixed mounting is in the upper end of mounting panel, and one end fixed mounting of laser body has two output interfaces and laser head, and one side of laser body is provided with the heat dissipation board, visible component, its rotary installation is in one side below mounting panel, and visible component includes the camera for following laser position and instruction light emitter. Compared with the prior art, the application is provided with visible component and limit board, and fixed block is connected rotating block through rotating shaft, realizes the rotation adjustment to visible component, and further makes visible component can change observation direction and angle when needing, to satisfy the monitoring demand of laser body working state under different application scenes.

The utility model belongs to the technical field of laser assembly, concretely relates to a cross laser assembly convenient for angle calibration, laser assembly includes laser head and is used for installing laser head's laser support, laser head is provided with two groups, is provided with the positioning slot of laser head installation on the laser support, the parallel setting of two groups is provided with the positioning slot and two groups of positioning slot's installation direction is perpendicular to each other, is provided with the positioning piece of cooperation with the positioning slot on the laser head, two groups laser head's laser emission direction is perpendicular to each other with the help of the positioning slot. The utility model sets up two groups of the installation direction perpendicular to each other's positioning slot on the laser support, and configures the positioning piece of cooperation with the positioning slot on the laser head, makes two groups laser head's laser emission direction through mechanical structure forcedly limited as perpendicular relation, does not need artificial repeated rotation to adjust the angle, solves the problem that traditional manual calibration is low in efficiency and big in error, and obviously improves assembly efficiency.

The utility model relates to excimer laser technical field especially convenient to butt joint's excimer laser gas supply module pipeline, including laser main part, the one end outside of laser main part is provided with three -way valve, one end of three -way valve is provided with first screw thread connection pipe, the bottom of first screw thread connection pipe is provided with second screw thread connection pipe, the outside of first screw thread connection pipe is provided with swivel, the outside bottom of swivel is provided with connecting sleeve, the bottom of second screw thread connection pipe is provided with sensor main part, utilize three -way valve according to the demand nimblely inject gas into laser main part, or guide flow to the first screw thread connection pipe in bypass, rotate swivel around first screw thread connection pipe and drive connecting sleeve rotation, make it rotate around second screw thread connection pipe, utilize connecting sleeve and connect fixed second screw thread connection pipe, gas delivery is detected to sensor main part and carries out operation to correct the equipment through the same quick -release port connection, shorten the downtime, reduce gas leakage risk.

The application discloses a lightweight laser weeding system suitable for unmanned aerial vehicles and key components. The system comprises an unmanned aerial vehicle flight platform and a modular weeding assembly connected through a standardized interface, and the assembly contains an air-cooled fiber laser (300W), a high-speed galvanometer and an ultra-long focal length field lens. The working height of the unmanned aerial vehicle is 1600-2350 mm. The focal length of the field lens is 2350 mm, which can focus the laser into a spot with a diameter of less than 2 mm at a working distance of 1600-2350 mm, forming an ultra-large effective scanning range. The optical design is based on edge spot optimization, scanning field correction and focusing depth optimization algorithm, which guarantees the uniformity of the whole field spot and positioning accuracy. The application solves the contradiction between the insufficient energy density, the load limit and the low operation efficiency of the unmanned aerial vehicle high-altitude weeding, and realizes lightweight, ultra-long distance, large range and high-efficiency precise weeding.

The present disclosure relates to an ophthalmic laser system (1), as well as a method and computer program product, for generating sections in at least partially transparent tissue with a therapy laser module (2); a beam guidance device (6); a laser output (7) which has a holder for a transparent treatment interface (16) which can be docked to the at least partially transparent tissue; a tomographic measuring system (3); and a control device (21) which is configured to perform the following steps: performing a measurement by the tomographic measuring system (3) while the treatment interface (16) is docked to the at least partially transparent tissue in order to generate a depth image of the at least partially transparent tissue;Determining a spatial reference (32) with respect to the depth recording, and outputting control information which provides a position and / or geometry of at least one section relative to the spatial reference (32) for verification.

The present disclosure provides methods and systems for flight velocimetry employing at least one bleaching laser, at least one detection laser, at least one dichroic mirror, an objective, a detection system, and a nano stage to bleach a dye to form a bleached blot in a flow pathway.

The utility model relates to a kind of double-laser stack architecture, and installation pedestal is installed with lifting positioning assembly, and lifting positioning assembly is installed with right laser, and the light path output end of right laser is connected with right side main guide device, right side auxiliary guide device;Installation pedestal is also installed with left laser, and the light path output end of left laser is installed with left side guide device, and left side guide device is constituted by light path connection first reflector frame, second reflector frame, and the light path input end of first reflector frame corresponds with the light path output end of left laser. Therefore, right laser, left laser can realize similar stacked distribution, minimize the transverse space occupation of equipment, at least can reduce 270mm transverse length, facilitate better layout, utilize the station space of laser processing equipment.

The present disclosure relates to an ophthalmic laser system (1) and a corresponding computer program product for generating sections in at least partially transparent tissue, comprising a therapy laser module (2); a beam guidance device (6) configured to direct a therapy laser beam (5) to a laser output (7) and to focus it in a treatment area outside the laser output (7) in order to generate at least one section in the tissue, wherein the beam guidance device (6) includes an xy-scan optic (9) configured to control a lateral deflection of the therapy laser beam (5); a tomographic measuring system (3) with a detector (14) configured to generate at least one depth profile (28) of the tissue, wherein the xy-scan optic (9) is further configured to deflect a measuring beam path between the laser output (7) and the detector (14) laterally;and a control device (18) which is configured to control the tomographic measuring system (3) in such a way that it records at least one depth profile (28), while the therapy laser module (3) and the beam guidance device (6) are controlled to generate at least one cut in the tissue.

This utility model relates to the field of beam shaping device technology and discloses a beam shaping device for a blue laser, including a mounting housing. A movable plate is movably engaged on one side of the mounting housing. The beam shaping device for the blue laser allows the insertion block installed at the front end of the top plate to be pulled out of the slot by pushing the top plate outward. When the top plate moves outward, the locking block is also pulled out of the slot, thus removing the top plate. After the top plate is pulled out, the restriction of the movable plate is removed, and the movable plate installed on one side of the mounting housing is opened. Then, by pressing the pressing block inward, the pressing block applies pressure to the spring, causing the spring to contract. When the spring contracts, the pushing block installed at the inner end of the connecting plate pushes the locking end in the positioning block out of the positioning groove, thereby removing the lens barrel. This facilitates the maintenance of the lens in the shaping device by the operator.

The utility model belongs to the technical field of laser, concretely relates to a laser system. The laser system includes: laser instrument, optical path box body is communicated with laser instrument through first sealed connecting component, a plurality of optical components are arranged in the optical path box body, galvanometer is communicated with optical path box body through second sealed connecting component, and air cleaning device is used for supplying clean air to the optical path box body. The utility model discloses a laser system is sealedly connected with laser instrument, optical path box body and galvanometer, can ensure the sealing of the box body, supplies clean air to the optical path box body through air cleaning device, can guarantee that the air in the box body is clean, dry, will not contaminate lens and other optical components, improves the stability of laser system.

The utility model provides an intelligent temperature control laser shell of special optical transmission equipment, which belongs to the crossing field of special optical fibers and lasers and comprises a shell, and a dustproof shell component and a temperature control component for cooling the lasers are mounted in the shell. According to the utility model, through the housing assembly, the laser is installed inside the housing, then the laser is started, the laser enters the resonant cavity, the laser is reflected for multiple times in the cavity through the holophote to be enhanced, the enhanced laser is stimulated by the gain medium to radiate and amplify an optical signal, and finally the laser is output through the partial reflector. And meanwhile, the residual light maintains resonance, the seam of the laser and the shell is sealed through a sealing ring, and the seams of the total reflection mirror, the partial reflection mirror, the gain medium and the resonant cavity are sealed through epoxy resin glue.