Abstract: A laser marking system (200) comprising first and second laser marking heads (201, 202) configured to mark a product (221, 222). The laser marking system comprises a first controller (231) associated with the first laser marking head (201) and a second controller (232) associated with the second laser marking head (202). The first and second controllers (231, 232) are configurable to receive data (205) indicating information to be marked on the product (221, 222), generate laser marking vectors based upon the received data, and control their associated laser marking head (201, 202) based on the laser marking vectors.

Abstract: A laser marking system for marking a product comprising a laser source for providing a laser beam, a marking head for projecting the laser beam on to the product, a housing comprising an extraction device configured to generate a flow of extraction fluid for extracting matter generated by an interaction between the laser beam and the product, and a controller for controlling the laser source and the marking head. The laser marking system further comprises an umbilical assembly connecting the housing to the marking head.

Abstract: The invention relates to a method for applying a marking on an object according to image data, wherein the image data comprises pixels with first pixel values and pixels with second pixel values, and wherein the marking to be produced comprises several cells, each cell corresponding to one pixel of the image data, in which at least one light beam is emitted with light emitting means; a deflection direction of scanning means for deflecting the light beam is scanned over the object; when the deflection direction points at a cell corresponding to a pixel with a first pixel value, the light emitting means are activated to produce a mark in that cell; and; when the deflection direction points at a cell corresponding to a pixel with a second pixel value, the light emitting means are deactivated to leave that cell blank.

Abstract: An electromagnetic radiation steering mechanism An electromagnetic radiation steering mechanism configured to steer electromagnetic radiation to address a specific location within a two-dimensional field of view comprising a first optical element having an associated first actuator configured to rotate the first optical element about a first rotational axis to change a first coordinate of a first steering axis in the two-dimensional field of view, a second optical element having an associated second actuator configured to rotate the second optical element about a second rotational axis to change a second coordinate of a second steering axis in the two-dimensional field of view, and an electromagnetic radiation manipulator optically disposed between the first and second optical elements. A first angle is defined between the first and second rotational axes and a second angle is defined between the first and second steering axes.

Abstract: An electromagnetic radiation system for directing an electromagnetic radiation beam (11) at a target (28) having a first arrangement (12) in which the radiation beam (11) is directed along a marking beam path that is within a marking range of the electromagnetic radiation system and a second arrangement (12, 15) in which the radiation beam (27) is directed along a different beam path (27) that is not within the marking range of the electromagnetic radiation system, wherein a positional relationship between the marking beam path (11) and the different beam path (27) satisfies a predetermined condition at the target (28) when the electromagnetic radiation system is at a predetermined distance (29) from the target (28).

Abstract: There is provided a housing for a head for directing an electromagnetic radiation beam at a target, the housing comprising: an inlet for receiving a fluid; a cavity for enclosing at least one component for controlling the optical path of the radiation beam within the marking head; an outlet for the fluid; a first channel defining a first fluid path from the inlet to the cavity; and a second channel defining a second fluid path from the cavity to the outlet. When the at least one component for controlling the optical path of the radiation beam is enclosed within the cavity, the housing and the at least one component further define a third channel between the first channel and the second channel. The first channel, second channel and third channel are configured to isolate the fluid from the optical path of the radiation beam within the head. There is also provided a method of manufacturing a head for directing an electromagnetic radiation beam at a target.

Abstract: The invention relates to a method for applying a marking on an object according to image data, wherein the image data comprises pixels with first pixel values and pixels with second pixel values, and wherein the marking to be produced comprises several cells, each cell corresponding to one pixel of the image data, in which at least one light beam is emitted with light emitting means; a deflection direction of scanning means for deflecting the light beam is scanned over the object; when the deflection direction points at a cell corresponding to a pixel with a first pixel value, the light emitting means are activated to produce a mark in that cell; and; when the deflection direction points at a cell corresponding to a pixel with a second pixel value, the light emitting means are deactivated to leave that cell blank.

Abstract: The invention relates to a method for applying a marking within a marking area on an object, in which at least one light beam is emitted with light emitting means, scanning means are moved to deflect the light beam line by line over the marking area, while the light emitting means is switched between being activated or deactivated according to the marking to be applied. The method is characterized in that, for each start of a line movement of the light beam over the object, the scanning means is moved such that its deflection direction points at a line starting point outside the marking area and the scanning means is accelerated such that its deflection direction is accelerated from the line starting point towards the marking area, wherein the light emitting means is deactivated while the deflection direction points somewhere outside the marking area. The invention further relates to a corresponding marking apparatus.

Abstract: A laser marking system comprises at least one controller to control an array of optical devices, between a laser source and a scan head. The array applies a selected pattern of portions of the received spatial profile of the laser beam to the substrate to achieve a second intensity different from the first intensity of laser beam at a rate of power deposition relative to a rate of thermal diffusion in the substrate for a predetermined time interval to thermally heat locations of the substrate with the selected pattern of the portions. The second intensity effectuates carbonization of materials of the substrate to create a mark without ablation.

Abstract: A laser marking system comprises at least one controller to control an array of optical devices, between a laser source and a scan head. The array applies a selected pattern of portions of the received spatial profile of the laser beam to the substrate to achieve a second intensity different from the first intensity of laser beam at a rate of power deposition relative to a rate of thermal diffusion in the substrate for a predetermined time interval to thermally heat locations of the substrate with the selected pattern of the portions. The second intensity effectuates carbonization of materials of the substrate to create a mark without ablation.

Abstract: A laser marking system for marking a product comprising a laser source for providing a laser beam, a marking head for projecting the laser beam on to the product, a housing comprising an extraction device configured to generate a flow of extraction fluid for extracting matter generated by an interaction between the laser beam and the product, and a controller for controlling the laser source and the marking head. The laser marking system further comprises an umbilical assembly connecting the housing to the marking head.

Abstract: An electromagnetic radiation steering mechanism An electromagnetic radiation steering mechanism configured to steer electromagnetic radiation to address a specific location within a two-dimensional field of view comprising a first optical element having an associated first actuator configured to rotate the first optical element about a first rotational axis to change a first coordinate of a first steering axis in the two-dimensional field of view, a second optical element having an associated second actuator configured to rotate the second optical element about a second rotational axis to change a second coordinate of a second steering axis in the two-dimensional field of view, and an electromagnetic radiation manipulator optically disposed between the first and second optical elements. A first angle is defined between the first and second rotational axes and a second angle is defined between the first and second steering axes.

Abstract: A laser marking system comprises at least one controller to control an array of optical devices, between a laser source and a scan head. The array applies a selected pattern of portions of the received spatial profile of the laser beam to the substrate to achieve a second intensity different from the first intensity of laser beam at a rate of power deposition relative to a rate of thermal diffusion in the substrate for a predetermined time interval to thermally heat locations of the substrate with the selected pattern of the portions. The second intensity effectuates carbonization of materials of the substrate to create a mark without ablation.

Abstract: The invention relates to a marking apparatus for marking an object with laser light, which apparatus comprises at least one gas laser for emitting at least one laser beam for marking the object. The at least one gas laser comprises a plurality of resonator tubes (12) for receiving a laser gas, a plurality of heat dissipaters (20) for dissipating heat from the resonator tubes (12) is provided, each resonator tube (12) is thermally connected to one of the heat dissipaters (20), and each heat dissipater (20) comprises microchannels for receiving a cooling fluid.

Abstract: Laser device comprising at least two gas laser units (10), stacked in layers, each laser unit comprising a plurality of resonator tubes (12), the resonator tubes being in fluidic communication with each other and forming a common tubular space, connecting elements (20, 21) for connecting adjacent resonator tubes so as to form a loop, mirrors (22) arranged in the connecting elements for reflecting the laser light between the resonator tubes, a rear mirror (44) and a partially reflecting output coupler (42) for coupling out a laser beam. In each laser unit an integrated output flange (40) comprises the rear mirror, the partially reflecting output coupler and an output mirror (46) which deflects the laser beam passing through the output coupler to a scanning device (80) located in the central space (8) surrounded by the resonator tubes. The invention also relates to a method for marking an object.

Abstract: The invention relates to a marking apparatus (100) for marking an object with laser light, comprising a plurality of lasers (10), in particular gas lasers (10), and a control unit for individually activating each of the lasers (10) to emit a laser beam according to a sign to be marked. A deflection device (30) is provided by which at least two laser beams are combined on a common spot.

Abstract: The invention relates to a marking apparatus for marking an object with laser light, comprising a plurality of lasers and a control unit for individually activating each of the lasers to emit a laser beam (90a-i) according to a sign to be marked. A set of deflection means (30) for directing the laser beams (90a-i) toward the object to be marked is provided, a set of telescopic means (40) comprising at least one telescopic means (40a-i) per laser beam (90a-i) is provided, and each telescopic means (40a-i) is adjustable for individually setting a focal length of the respective laser beam (90a-i).

Abstract: The invention relates to a marking apparatus for marking an object with laser light, comprising a plurality of lasers and a control unit for individually activating each of the lasers to emit a laser beam (90) according to a sign to be marked. A set of deflection means (30) for rearranging the laser beams (90) into a desired array of laser beams (90) is provided, the set of deflection means (30) comprises at least two deflection means (33a-i, 34a-i) per laser beam (90), in particular at least two mapping mirrors (33a-i, 34a-i) or at least one optical waveguide and one lens per laser beam (90a-i), and each deflection means (33a-i, 34a-i) is individually adjustable in its deflection direction and/or individually shiftable.

Abstract: The invention relates to a marking apparatus (100) for marking an object with laser light, comprising a plurality of gas lasers (10) and a control unit for individually activating each of the gas lasers (10) to emit a laser beam according to a sign to be marked. The gas lasers (10) are stacked such that the laser beams emitted by the gas lasers (10) form an array of laser beams, in particular a linear array with parallel laser beams, each gas laser (10a-i) comprises laser tubes (12) that at least partially surround an inner area (5). The apparatus (100) further comprises beam-delivery means (14) for directing the array of laser beams into the inner area (5) and a set of deflection means (30) for rearranging the array of laser beams into a desired array of laser beams. The set of deflection means (30) is arranged in the inner area (5) and comprises at least one deflection means (33a, 33i) per laser beam, in particular at least one mapping mirror (33a, 33i) or one optical waveguide per laser beam.

Abstract: An apparatus for marking an object includes a marking unit for marking the object with a laser beam, a transporting device for transporting the object and a device for determination of a position of the object by means of ultrasonic waves originating from the object. A pulsed laser beam is directed to the object to cause vibrations at a surface of the object, by which vibrations the object is excited to generate ultrasonic waves.