Abstract: A cleaning system for a vehicle includes a beam optics assembly that emits a laser beam to irradiate a region on a glass article of the vehicle, debris detection circuitry that detects debris accumulated over the region, and control circuitry. The control circuitry calibrates a set of parameters associated with the laser beam emitted from the beam optics assembly based on detection of the debris accumulated over the region on the glass article, controls an exposure level of the laser beam on the debris accumulated based on calibration of the set of parameters associated with the laser beam, wherein the exposure level is controlled based on pulsing the laser beam at a calibrated rate that limits penetration of the laser beam to a depth that is less than a thickness of the glass article, and removes the debris accumulated over the region on the glass article using the laser beam.

Abstract: A method of selecting a scanning sequence of a laser beam in a selective laser solidification process, in which one or more objects are formed layer-by-layer by repeatedly depositing a layer of powder on a powder bed and scanning the laser beam over the deposited powder to selectively solidify at least part of the powder layers, includes determining an order in which areas should be scanned by: projecting a debris fallout zone that would be created when solidifying each area based on a gas flow direction of a gas flow passed over the powder bed; determining whether one or more other areas to be solidified fall within the debris fallout zone; and selecting to solidify the one or more other areas that fall within the debris fallout zone before solidifying the area from which the debris fallout zone has been projected.

Abstract: An example laser tool includes a laser head to output a laser beam and a robotic arm that is articulated and that is connected to the laser head. The robotic arm includes segments that are connected by flexible joints to enable movement of the laser head in six degrees of freedom. A control system is configured to control the robotic arm to direct output of the laser beam.

Abstract: A method for laser welding a plurality of battery foils to a battery tab that does not include ultrasonic welding and includes clamping the plurality of battery foils and the battery tab together. Each of the plurality of battery foils has a thickness that is between 0.004 millimeters and 0.03 millimeters. The battery tab has a thickness that is between 0.1 millimeters and 0.5 millimeters. The method further includes laser welding the plurality of battery foils to the battery tab.

Abstract: In the method for cleaning optical components by UV ashing according to the present embodiment, while supplying humidity-controlled humidified gas, ultraviolet rays are radiated to the surface of the protective glass to remove organic matters on the surface of the protective glass. Further, in the cleaning method of the present embodiment, the humidified gas is supplied so that the humidity in the laser head during cleaning becomes 30% to 90%.

Abstract: The present disclosure, in some embodiments, relates to a substrate metrology system. The substrate metrology system includes a warpage measurement module configured to determine one or more substrate warpage parameters of a substrate. The substrate includes a plurality of conductive interconnect layers within a dielectric structure over a semiconductor substrate. A metrology module is located physically downstream of the warpage measurement module and has an optical element configured to measure one or more dimensions of the substrate. The metrology module is configured to place the optical element at a plurality of different initial positions, which are directly over a plurality of different locations on the substrate, based upon the one or more substrate warpage parameters. A substrate transport system is configured to transfer the substrate from a first position within the warpage measurement module to a non-overlapping second position within the metrology module.

Abstract: A method for creating modifications in a solid-state material is described, wherein a crack guidance region for guiding a crack for separating a solid-state layer from the solid-state material is predetermined by the modifications. The method includes: moving the solid-state material relative to a laser processing system; successively emitting a plurality of laser beams from the laser processing system to the solid-state material to create at least one modification within the solid-state material; and continuously adjusting the laser processing system for defined focusing of the plurality of laser beams and/or for adjustment of energy of the plurality of laser beams as a function of at least one parameter.

Abstract: A method for laser shock peening of a component, in particular at points that are difficult to access, includes the steps of: supplying a first end of a flexible optical waveguide, which end is designed in the form of an optical waveguide brush having a plurality of divergent optical waveguide fibres, to a point of the component to be treated by laser shock peening; generating laser shock pulses, which are coupled in at a second end of the optical waveguide, by a laser beam source; and discharging the laser shock pulses by the optical waveguide brush into a process zone at the point of the component to be treated. A use of an optical waveguide brush, a system for laser shock peening of a component, and a mobile laser shock treatment station are also described.

Abstract: A linear groove formation method of forming linear grooves in a steel sheet surface using etching can form linear grooves of a uniform shape while suppressing a decrease in magnetic property of a grain-oriented electrical steel sheet caused by laser irradiation for resist removal. A linear groove formation method includes: coating a surface of a grain-oriented electrical steel sheet with a resist; performing a laser scan cyclically in a rolling direction of the grain-oriented electrical steel sheet, the laser scan being applying a laser while scanning the laser in a direction crossing the rolling direction to remove the resist in a portion irradiated with the laser; and etching the grain-oriented electrical steel sheet in each portion in which the resist is removed, to form a linear groove. A coating thickness of the resist is 0.5 ?m to 10 ?m, and a power of the laser is 1500 W or more.

Abstract: This invention concerns a flow device for an additive manufacturing apparatus, in which material is consolidated in a layer-by-layer manner to build a part. The flow device comprises a first member having at least one inlet aperture therein and a second member having three or more downstream apertures therein. The first and second members are connected such that the downstream apertures of the second member are in fluid communication with the inlet aperture of the first member with a shortest fluid path from the inlet aperture to each downstream aperture being substantially the same.

Abstract: A method of analysis is disclosed comprising providing a sample on an insulating substrate such as a petri dish (4) and contacting e.g. the rear surface of the insulating substrate with a first electrode (9). The method further comprises contacting the sample with a second electrode (2) and applying an AC or RF voltage to the first and second electrodes (9,2) in order to generate an aerosol from the sample.

Abstract: A device for varyingly irradiating by means of ray shaping is described. Furthermore, a method of manufacturing a structure made of a curable material by means of molding is described. In a first step of the method, a molding tool is arranged above a surface such that the curable material abuts on the surface and a molding surface, facing the surface, of the molding tool in a region between the molding tool and the surface and such that further curable material may continue to flow to the region. In a second step, the curable material is irradiated in the region in a locally varying manner such that the ray experiences ray shaping in an optical channel and such that the curable material cures at different speeds in a laterally varying manner.

Abstract: A laser welding apparatus for laser-welding a first welding target and a second welding target seated on the first welding target includes a first jig on which the first welding target is seated, a second jig configured to press the first welding target such that the first welding target is adhered to the first jig, a third jig configured to press the second welding target such that the second welding target is adhered to the first welding target, one or more connection members connecting the second jig and the third jig such that the second welding target is pressed by the second jig when the first welding target is pressed by the first jig, and a laser head configured to laser-weld the first welding target and the second welding target by irradiating a laser beam to a specific welding part of the second welding target.

Abstract: An apparatus, method, and frame window configured to clean mesa sidewalls of a template with photodissociation radiation. Material on the mesa sidewalls are removed from the mesa sidewalls by exposing the portion of a first gap adjacent to the mesa sidewalls to the photodissociation radiation.

Abstract: A robotic surface treatment system includes an omnidirectional base vehicle; a mast extending from the base vehicle; an arm extending from the mast and moveable in relation to the mast; a wrist connected to a distal end of the arm; and a surface treatment system extending from the base to the wrist through an inside of the mast, arm and wrist.

Abstract: There is provided high power laser systems, high power laser tools, and methods of using these tools and systems for cutting, sectioning and removing structures objects, and materials, and in particular, for doing so in difficult to access locations and environments, such as offshore, underwater, or in hazardous environments, such as nuclear and chemical facilities. Thus, there is also provided high power laser systems, high power laser tools, and methods of using these systems and tools for removing structures, objects, and materials located offshore, under bodies of water and under the seafloor.

Abstract: A laser weapon system is described. Particularly, embodiments describe subsystems of a laser weapon system including those necessary for laser generation, operational control, optical emission, and heat dissipation configured to provide a lightweight unit of reduced dimensions.

Abstract: A profile selector includes at least one beam-forming lens refracting a laser beam to be incident so as to convert a beam profile and emits a laser beam having a beam profile selected from a plurality of beam profiles. A collimating lens converts a laser beam of a divergent beam to be incident into collimated light. A focusing lens focuses the collimated light emitted from the collimating lens and irradiates the focused beam to a sheet metal of a processing target. A moving mechanism moves the collimating lens along an optical axis such that a deviation of a focal point is reduced caused when the beam profile of the focused beam emitted from the focusing lens is selected by the profile selector.

Abstract: A sensor structure and a method for producing the sensor structure. A base material is applied to a transfer support. The transfer support is arranged on a sensor body, and at least parts of the base material are transferred from the transfer support to the sensor body via local energy input.

Abstract: A method for generating control data is a method for generating control data for manufacturing a product having a designated shape using an additive manufacturing technology. The control data includes a path of a nozzle for supplying a material. The method for generating the control data includes: determining a cutting path for cutting the designated shape by a tool; and determining the path of the nozzle by reproducing the cutting path temporally reversely.

Abstract: Aspects of the disclosure provide for mechanisms for producing group III-nitride substrates. In accordance with some embodiments, a method for producing a group III-nitride substrate is provided. The method may include: forming, on a growth template, an epitaxial layer of a group III-nitride material comprising a surface with a first crystallographic orientation, wherein the first crystallographic orientation comprises a semipolar orientation or a nonpolar orientation; and separating the epitaxial layer of the group III-nitride material from the growth template to produce the group III-nitride substrate, wherein the growth template comprises a semiconductor layer of the group III-nitride material. The group III-nitride material may include gallium.

Abstract: A laser shielding device interposed between the camera and the reflected light and is provided with a plurality of plates juxtaposed at an interval. Of the plurality of plates, an incident-side plate disposed on an incident side of the reflected light may be made larger in heat capacity compared to other plates disposed on the camera side of the incident-side plate.

Abstract: An enhanced symmetric multicycle rapid thermal annealing process for removing defects and activating implanted dopant impurities in a III-nitride semiconductor sample. A sample is placed in an enclosure and heated to a temperature T1 under an applied pressure P1 for a time t1. While the heating of the sample is maintained, the sample is subjected to a series of rapid laser irradiations under an applied pressure P2 and a baseline temperature T2. Each of the laser irradiations heats the sample to a temperature Tmax above its thermodynamic stability limit. After a predetermined number of temperature pulses or a predetermined period of time, the laser irradiations are stopped and the sample is brought to a temperature T3 and held at T3 for a time t3 to complete the annealing.

Abstract: A system includes a computing device that generates at least one process script for the modification to a glass ceramic substrate and at least one pattern script that corresponds to the process script. The computing device also merges the process script with the pattern script and generates a plurality of command signals that are based on the merged process and pattern scripts. An energy source generates a plurality of light beams based on the generated command signal(s). A waveform apparatus generates at least one waveform signal to customize the generated light beams based on the generated command signal(s). At least one modulating component modulates the generated light beams based on generated command signal(s). An optical assembly is configured to apply the modulated plurality of light beams to the glass ceramic substrate.

Abstract: A flow control device for an additive manufacturing system is provided. The flow control device includes a gas supply configured to discharge a gas, a first flow modifier configured to modify at least one flow characteristic of a first portion of the gas, and a second flow modifier configured to cooperate with the first flow modifier to modify the at least on flow characteristic of the first portion of the gas. The second flow modifier is further configured to modify at least one flow characteristic of a second portion of the gas, and the first flow modifier and the second flow modifier are configured to cooperate to direct at least a portion of the first portion and the second portion of the gas towards a melt pool in a plurality of particles.

Abstract: An apparatus may include a diode-pumped solid-state laser oscillator configured to output a pulsed laser beam, a modulator configured to modify an energy and a temporal profile of the pulsed laser beam, and an amplifier configured to amplify an energy of the pulse laser beam. A modified and amplified beam to laser peen a target part may have an energy of about 5 J to about 10 J, an average power (defined as energy (J)×frequency (Hz)) of from about 25 W to about 200 W, with a flattop beam uniformity of less than about 0.2. The diode-pumped solid-state oscillator may be configured to output a beam having both a single longitudinal mode and a single transverse mode, and to produce and output beams at a frequency of about 20 Hz.

Abstract: A laser machining device includes a storage unit configured to store a reference value based on an energy amount of returning light when laser light is emitted, in a state where external optical system is not contaminated, toward a reflection plate with a predetermined output low enough not to melt or deform the reflection plate such that a focus position of the laser light aligns with a predetermined position, and a processing condition correction unit configured to correct, prior to laser machining, a processing condition in accordance with the contamination level of the external optical system, wherein the processing condition correction unit includes a laser power correction section configured to correct a laser power of the processing condition based on the measurement value measured by a returning light measurement unit and the reference value.

Abstract: The invention relates to a laser nozzle that can be used in laser cutting, notably with a fibre or disc laser, comprising a nozzle body comprising an axial housing passing axially through said nozzle body and comprising a first outlet orifice situated at the front face of the nozzle body, and a movable element comprising a skirt-forming front part arranged in the axial housing of the nozzle body, said movable element being capable of translational movement in the axial housing of the nozzle body and comprising an axial passage with a second outlet orifice opening onto the skirt-forming front part.

Abstract: A metal powder additive manufacturing system and method are disclosed that use increased trace amounts of oxygen to improve physical attributes of an object. The system may include: a processing chamber; a metal powder bed within the processing chamber; a melting element configured to sequentially melt layers of metal powder on the metal powder bed to generate an object; and a control system configured to control a flow of a gas mixture within the processing chamber from a source of inert gas and a source of an oxygen containing material, the gas mixture including the inert gas and oxygen from the oxygen containing material. The method may result in an object having a surface porosity of no greater than approximately 0.1%, and an effective density of greater than approximately 99.9%.

Abstract: The invention relates to treatment apparatus (10) for correcting a refractive error of an eye (12) that includes a laser device (14) for separating corneal tissue by means of laser radiation (16); a control device (18) designed to control the laser device (14) to emit the laser radiation (16) for cutting out and/or ablating a volume (24) out of the surface (26) of the cornea (22) of the eye (12) in dependency on a measured pachymetry of the cornea (22) and the refractive error of the eye (12), whereby the cut-out and/or ablated volume (24) in the surface (20) of the cornea (22) results in a shape of a closed ring, a partial ring, a crescent or a crescent shaped closed ring. A method for controlling such an apparatus for correcting a refractive error of an eye, and to a protective mask for an eye are also provided.

Abstract: A method of analysis is disclosed comprising providing a sample on an insulating substrate such as a petri dish (4) and contacting e.g. the rear surface of the insulating substrate with a first electrode (9). The method further comprises contacting the sample with a second electrode (2) and applying an AC or RF voltage to the first and second electrodes (9,2) in order to generate an aerosol from the sample.

Abstract: A multi-view planar near-field scattering tomography system is provided herein. In one aspect the system is developed based on the reformulated signal subspace approach. Utilized for solving the electromagnetic inverse scattering problem, the signal subspace approach is reformulated. The present invention pertains to a computationally efficient approach to an electromagnetic inverse scattering-based permittivity profile estimation technique. In a second aspect, the system is developed at the millimeter-wave and THz frequency range to ensure accuracy by eliminating the multipath effects and without the need for an Anechoic chamber or water as a background medium for clinical, security, and manufacturing applications.

Abstract: A method of verifying a laser scan at a predetermined location within an object includes imaging at least a portion of the object, the resulting image comprising the predetermined location; identifying the predetermined location in the image, thereby establishing an expected scan location of the laser scan in the image; performing a laser scan on the object by scanning a focal point of the laser beam in a scanned area; detecting a luminescence from the scanned area and identifying an actual scanned location within the image based on the detected luminescence; and determining whether the difference between the actual scanned location and the expected scan location is within a threshold value.

Abstract: A laser ablation system comprises a volume configured to contain a workpiece and a carriage configured to move within the volume relative to a workpiece. The carriage comprises a clamping system, a laser enclosure, and a laser ablation work head within the laser enclosure. The clamping system is configured to clamp the workpiece and seal against a portion of the workpiece.

Abstract: A system for the additive manufacturing of components includes a powder receptacle, which is designed to receive a powdered material in the form of a starting material for a component to be manufactured, a construction platform that is mounted within the powder receptacle and is mounted so as to rotate relative to the powder receptacle about a rotational shaft, a lowering drive, which is designed to incrementally or continuously lower the construction platform within the powder receptacle, and an energy input apparatus, which is arranged above an opening in the powder receptacle and is designed to carry out locally selective melting or hardening of a powdered material introduced into the powder receptacle on a surface of the material. The construction platform can be tilted by an angle of inclination relative to a rotational shaft of the rotatable mount.

Abstract: A scanning device including: a first, second and third scan mirrors; a first and second relay lenses; and a mirror; wherein the rotational axis of the second scan mirror is tilted with a first angle with respect to a reference plane, the optical axis of the first relay lens is tilted with the first angle with respect to the reference plane, the optical axis of the second relay lens is parallel to the reference plane and is orthogonal to that of the first relay lens, and the rotational axis of the first scan mirror is parallel to the reference plane; and the first and second scan mirrors, and first and second relay lenses are arranged such that the respective axes of the first and second scan mirrors, and first and second relay lenses lie on a plane that is tilted at the first angle with respect to the reference plane.

Abstract: A laser device has a plurality of laser diodes; a plurality of optical elements installed corresponding to the plurality of the laser diodes; a plurality of units formed by fixing the laser diodes and the optical elements per each laser diode and installed corresponding to the plurality of the laser diodes; a converging element that converges laser beams emitted from the plurality of the laser diodes to a fiber; a housing element houses the plurality of the units and the converging element; and a thermal transfer plate performs heat dissipation of the plurality of the units. The heat resistance reducing element having a heat resistance value that is smaller than a predetermined value is installed between the thermal transfer plate and each unit or the processing for reducing the heat resistance is performed.

Abstract: The present disclosure provides a semiconductor device, including a semiconductive substrate, a dielectric stack disposed over the semiconductive substrate to form a wall of a grating coupler opening, and an etch stopper interfacing with two sublayers of the dielectric stack and partially separating the interface of the two sublayers. The etch stopper has a resistance to a fluorine solution that is higher than that of the two sublayers. A method of manufacturing the semiconductor device is also provided.

Abstract: A laser cutting device includes: a main body configured to emit a laser beam, a cutting point being formed at a position where the laser beam intersects a material to be cut; a gas blow pipe, of which a gas blow mouth configured to blow out a gas flow that is inclined to the laser beam, the gas flow capable of aiming at the cutting point; a gas suction pipe, of which a gas suction mouth being located downstream of a flowing direction of the gas flow, relative to the cutting point; the gas blow pipe and the gas suction pipe being attached respectively to the main body by means of an adjustment mechanism, such that positions of the gas blow pipe and the gas suction pipe are adjustable to adapt to change of a laser beam cutting route.

Abstract: Methods and systems for planning and forming incisions in a cornea, lens capsule, and/or crystalline lens nucleus are disclosed. A method includes measuring spatial dispositions, relative to a laser surgery system, of at least portions of the corneal anterior and posterior surfaces. A spatial disposition of an incision of the cornea is generated based at least in part on the measured corneal anterior and posterior spatial dispositions and at least one corneal incision parameter. A composite image is displayed that includes an image representative of the measured corneal anterior and posterior surfaces and an image representing the corneal incision.

Abstract: A device for the application of solder material deposits includes a conveying device for conveying solder material deposits from a reservoir at an upper housing part toward an application device at a lower housing part. The conveying device can be moved from a receiving position P1 to a transfer position P2, in which the solder material deposit is exposed to a pressure gas via a pressure bore formed in the upper housing part and from which the solder material deposit is transferred to an application nozzle in an application position P3. The application device includes an application duct formed in the lower housing and forms a lower section of a transmission duct which serves to transmit laser radiation to the solder in the application nozzle. The application duct is inclined at an application angle ? with respect to the rotation axis.

Abstract: An apparatus for producing a three-dimensional work piece, the apparatus comprises a process chamber accommodating a carrier for receiving a raw material powder, an irradiation device for selectively irradiating electromagnetic or particle radiation onto the raw material powder on the carrier in order to produce a work piece made of said raw material powder by an additive layer construction method, a first gas inlet for supplying gas to the process chamber and a gas outlet for discharging gas from the process chamber, wherein the first gas inlet and the gas outlet are configured and arranged in such a manner that a first gas flow across the carrier is generated, a transmission element which allows the transmission of the electromagnetic or particle radiation emitted by the irradiation device into the process chamber, and a second gas inlet for supplying gas to the process chamber, wherein the second gas inlet is configured and arranged in such a manner that a second gas flow in a direction facing away from th

Abstract: This disclosure relates to methods for cutting metal workpieces in sheet form with a thickness of at least 2 mm. A laser beam is positioned in a nozzle opening of a cutting gas nozzle configured to cut via the laser beam and a cutting gas so that a beam axis of the laser beam along a direction of propagation of the laser beam is at least a distance of 3 mm from a rear opening wall portion of the nozzle opening. Cutting gas configured for concurrently exiting the nozzle opening with the laser beam is emitted through the nozzle opening at a cutting gas pressure (p) of at most 10 bar.

Abstract: The present disclosure is a handheld apparatus that vaporizes plant-based or synthetic compounds, for the purpose of inhalation, or diffusion into an external environment. More specifically, the disclosure describes a handheld apparatus wherein a laser beam from an internal laser unit heats compounds, such as dried plant, tinctures, resins, or essential oils, to the compound's vaporization temperature for inhalation, or diffused as part of aromatherapy or other holistic therapeutic treatments.

Abstract: An additively manufactured assembly including an additively manufactured component with an edge oriented with respect to a recoater blade direction and an non-contact support that does not form a part of the additively manufactured component, the additively manufactured support located adjacent the edge. A method of additively manufacturing a component includes additively manufacturing an component with an edge oriented with respect to a recoater blade direction simultaneous with additively manufacturing an non-contact support that does not form a part of the component, the additively manufactured support located adjacent the edge.

Abstract: A system comprises a laser projector, an automated material placement head, and a laser inspection system. The laser projector is configured to project boundary projection line onto a part. The automated material placement head is configured to lay down a course of composite material. The laser inspection system is connected to the automated material placement head and configured to project a laser beam into a laser line parallel to the motion of the automated material placement head in laying the composite material.

Abstract: A method of manufacturing three-dimensional (3D) objects is provided. The method includes generating a plan for printing a plurality of 3D objects in a 3D printing medium at least in part by identifying an unprinted area of the 3D printing medium for insertion of a cooling device and determining where at least some of the plurality of 3D objects are to be printed in the 3D printing medium such that none of the at least some of the plurality of 3D objects, when printed, intersect the identified unprinted area for the insertion of the cooling device. The method further includes printing, using a 3D printer, the at least some of the plurality of 3D objects in accordance with the plan and, after the printing, inserting the cooling device into the unprinted area of the 3D printing medium and cooling the 3D printing medium using the cooling device.

Abstract: A method for controlling, during metal processing, the input energy from an energy point source that directs focused emitted energy onto a metal workpiece having a geometry, wherein the directed focused emitted energy creates a melt pool and hot zone on the workpiece that emit radiation during the process. The method comprises determining a wavelength range for the emitted radiation that is within a spectral range of radiation emitted by the hot zone during processing that is comparatively high in amount in relation to the amount of radiation emitted by the melt pool in that spectral range during processing; directing the beam onto the workpiece to generate a melt pool and hot zone on the structure; measuring the intensity of radiation within the determined wavelength range; and adjusting the input energy from the energy point source based upon the measured intensity of radiation within the determined wavelength range.

Abstract: The present disclosure relates to a method for producing a coating film having high heat resistance, high hardness and wear resistance, a coating film having high heat-resistance, high hardness and wear resistance produced using the method, and a cutting tool including the same. The method includes forming a metal nitride layer on a metal base; forming a carbon layer on the metal nitride layer; and irradiating a laser into the carbon layer to add carbons into a portion of the metal nitride layer, thereby to form a carburized layer.

Abstract: A surgical assistance system includes an endomicroscope (4) and an imaging device (2) for capturing image data, and a transmission unit (63) for transmitting the image data. A pathology unit (70) includes a receiving unit (74) for receiving the image data and a display unit (76) displays the image data. A data connection (69) connects the transmission unit (63) to the receiving unit (74). The imaging device (2) and/or the endomicroscope (4) has at least one functional unit assigned to a functional control unit (65). A data receiving unit (64) receives data from the pathology unit (70). The pathology unit (70) has an input unit (77) for inputting functional control data for the functional control unit (65) and a transmitter unit (73) transmits the functional control data to the devices. The data receiving unit (64) receives and relays the functional control data to the functional control unit (65).