A laser processing apparatus includes a plurality of laser sources, an optical fiber connected to each of the plurality of laser sources, the optical fiber being one of a plurality of the optical fibers, and diffractive optical elements on which laser light beams are incident, laser light beams being emitted from the plurality of optical fibers. Diffracted light reflected by each of the diffractive optical elements forms an image on an object at a substantially identical intensity distribution and at a substantially identical focal position.

An optical fiber cable includes: an optical fiber; a cable jacket that includes inner and outer tubes; first and second open detection lines; and an optical connector disposed at a first end of the optical fiber cable. A first end of the first open detection line and a first end of the second open detection line are disposed inside the optical connector and are not electrically connected to each other inside the optical connector. The optical fiber is disposed in one of a first region and a second region, wherein the first region is inside the inner tube and the second region is between the inner tube and the outer tube, and at least one of the first and second open detection lines is disposed in the other of the first region and the second region.

A laser beam irradiating apparatus includes a laser oscillator configured to emit a laser beam, a first polarization beam splitter configured to separate the laser beam into a first laser beam of s-polarized light and a second laser beam of p-polarized light, a first spatial light modulator configured to modulate the first laser beam according to a phase pattern, and emit the resulting first laser beam, a second spatial light modulator configured to modulate the second laser beam according to a phase pattern, and emit the resulting second laser beam; a second polarization beam splitter configured to synthesize the first laser beam emitted from the first spatial light modulator and the second laser beam emitted from the second spatial light modulator, and an imaging unit configured to image the synthesized laser beam, and irradiate a target object with the resulting laser beam.

Various embodiments of an apparatus, methods, systems and computer program products described herein are directed to an agricultural observation and treatment system and method of operation. The agricultural treatment system uses a treatment unit for emitting a laser at agricultural objects. The treatment unit is configured with a treatment head assembly that includes a moveable treatment head with one or more laser emitting tips. A first and second motor assembly are operated by the treatment unit to control the movement of the treatment head. The first motor assembly includes a first motor rotatable in a first rotational axis. A first linkage assembly is connected to the first motor and the treatment head assembly. The first linkage assembly is rotatable by the first motor. The second linkage assembly is rotatable by the second motor.

Glass articles including one or more 3D printed surface features attached to a surface of a substrate at a contact interface between the 3D printed surface feature and the surface. The 3D printed surface feature(s) include a glass or a glass-ceramic, a compressive stress region at an exterior perimeter surface of the 3D printed surface feature(s), and a central tension region interior of the compressive stress region. The 3D printed surface feature(s) may be formed of a contiguous preformed material 3D printed on a surface of a substrate. The compressive stress region of a 3D printed surface feature may be formed using an ion-exchange process.

A laser processing apparatus includes: a laser light source that generates a laser beam; a first beam splitter on which the laser beam is incident; a second beam splitter on which the laser beam having passed through the first beam splitter is incident; and a homogenizer that controls an energy density of the laser beam emitted from the second beam splitter. The laser beam output from the homogenizer includes a p-polarized component and an s-polarized component, and a ratio of energy intensity of the p-polarized component to the s-polarized component is preferably not lower than 0.74 and not higher than 1.23 on a surface of the workpiece.

A dynamic lens for projecting different output beam shapes upon a target for heating, melting, or otherwise modifying the state of the target material. The dynamic lens includes a first light source of high power laser diodes generating a first light beam onto a lensing array with an LCOS device including a plurality of liquid crystal cells to curve and focus the first light beam into a second light beam forming the output beam shape on the target. A controller generates a control signal corresponding to the output beam shape. A single-point laser projects a third light beam tracing an outline of the output beam shape on the target to more clearly define the edge of the output beam shape. The single-point laser may be an IR fiber laser source scanned or traced by a scanner, such as a galvano scanner, directing the third light beam in two dimensions.

A system that uses a scalable array of individually controllable laser beams that are generated by a fiber array system to process materials into an object. The adaptive control of individual beams may include beam power, focal spot width, centroid position, scanning orientation, amplitude and frequency, piston phase and polarization states of individual beams. Laser beam arrays may be arranged in a two dimensional cluster and configured to provide a pre-defined spatiotemporal laser power density distribution, or may be arranged linearly and configured to provide oscillating focal spots along a wide processing line. These systems may also have a set of material sensors that gather information on a material and environment immediately before, during, and immediately after processing, or a set of thermal management modules that pre-heat and post-heat material to control thermal gradient, or both.

A line beam irradiation apparatus (1000) includes a work stage (200), a line beam source (100) for irradiating a work (300) placed on the work stage (200) with a line beam; and a transporting device (250) for moving at least one of the work stage (200) and the line beam source (100) such that an irradiation position of the line beam on the work moves in a direction transverse to the line beam. The line beam source includes a plurality of semiconductor laser devices and a support for supporting the plurality of semiconductor laser devices. The plurality of semiconductor laser devices are arranged along a same line extending in a fast axis direction, and the laser light emitted from emission regions of respective ones of the semiconductor laser devices diverge parallel to the same line to form the line beam.

Described are a method and a control data generation device (54, 54′) for use therein for generating control data (PSD) for a device (1) for the additive manufacture of a manufacturing product (2) in a manufacturing process, in which build-up material (13) is built up and selectively solidified, wherein, for the solidification process, the build-up material (13) is irradiated with at least one energy beam (AL) on a build field (8), and an area of incidence (AF) of the energy beam (AL) on the build field (8) is moved in order to melt the build-up material (13). The control data (PSD) are generated such that the energy beam (AL) has an intensity distribution (GIV), at the area of incidence (AF) on the build field (8), in a section plane (x, y) running perpendicularly to the beam axis (SA) of the energy beam (AL), which intensity distribution has at least one local minimum (MIZ) in a middle region along at least one secant of the intensity distribution (GIV) in the section plane (x, y) and has an intensity profile curve (IPK), running along the edge (R) of the intensity distribution (GIV), which intensity profile curve has, at least at one point, a maximum value (MAX), and, at least at one point in a region opposite the maximum value (MAX) on the intensity profile curve (IPK), a minimum value (MIN).

Also described are a method and a control device (50) for controlling a device (1) for the additive manufacture of a manufacturing product (2) using this control data (PSD), and a device (1) for the additive manufacture of manufacturing products.