A method of creating a subsurface engraved crystal comprising the steps of: performing a 3D/4D scan of a subject; saving the volumetric data; generating a point cloud based on the volumetric data; outputting the point cloud to a laser engraver; and engraving a crystal with the laser engraver.

Methods and systems for laser etching substrates to fine tune antennas for wireless communication are provided. A method includes laser etching an antenna element design into a substrate material. The antenna element design is for receiving conductive material to form an antenna structure. The method also includes laser etching a first area of the substrate material to change an intrinsic property of the substrate material in order to control an electrical characteristic of the antenna structure.

In some aspects, autonomous motion devices configured to operably connect to a plasma torch of a plasma cutting system can include: a body to support a power supply of the plasma cutting system and move relative to a workpiece; a torch holder connected to the body and configured to position a plasma arc torch tip of the plasma torch relative to a region of the workpiece to be processed; a drive system to translate the body supporting the power supply and torch autonomously relative to a surface of the workpiece during a plasma processing operation; and a processor in communication with the drive system and configured to communicate with the power supply, the processor being configured to control the translation of the body relative to the workpiece in accordance with the plasma processing operation.

A method for laser engraving a three-dimensional pattern into a surface of a workpiece, the method comprising: positioning a laser-engraving head to engrave a first engraving region of the workpiece; and applying a first plurality of laser pulses to a set of first predetermined locations within the first engraving region, wherein the first set of predetermined locations within the first engraving region is based on a probability distribution function that corresponds to a portion of the three-dimensional pattern that is associated with the first engraving region.

A method for ensuring safety critical functionality for a laser engraver includes obtaining a command from a laser motor controller; obtaining sensor data from a plurality of sensors, the sensor data corresponding to an operating status of various components of the laser engraver; determining a functioning status for each component; and as a result of determining the functioning status for all of the components, enabling supply of power to a laser, where the method is performed by a safety controller that is embodied in hardware completely separate from hardware in which the laser motor controller is embodied. One example required functioning status is that a power button has been selected twice in quick succession.

A computer-implemented method determining one or more parameter values for a laser-engraving process, the method comprising: executing a laser pulse model on a computer-simulated surface to generate a first surface geometry on the computer-simulated surface, wherein the laser pulse model is based on a first set of values for a set of parameters; determining a quality score for the first surface geometry; based on the quality score, performing a global optimization process to generate a second set of values for the set of parameters; and modifying the laser pulse model based on the second set of values to generate a modified laser pulse model.

A computer-implemented method for generating a model of a laser-engraved surface, the method comprising: transforming a first set of values for a first set of parameters associated with a laser-engraving process to a second set of values for a second set of parameters associated with a laser pulse model; modifying the laser pulse model based on the second set of values to produce a modified laser pulse model; and executing the modified laser pulse model to direct a plurality of laser pulses towards a computer-simulated surface, wherein the plurality of laser pulses modify the computer-simulated surface.

In some aspects, autonomous motion devices configured to operably connect to a plasma torch of a plasma cutting system can include: a body to support a power supply of the plasma cutting system and move relative to a workpiece; a torch holder connected to the body and configured to position a plasma arc torch tip of the plasma torch relative to a region of the workpiece to be processed; a drive system to translate the body supporting the power supply and torch autonomously relative to a surface of the workpiece during a plasma processing operation; and a processor in communication with the drive system and configured to communicate with the power supply, the processor being configured to control the translation of the body relative to the workpiece in accordance with the plasma processing operation.

A laser device, including multiple laser modules, includes a plurality of drive power units that drive the laser modules, a plurality of output detection units that detect laser outputs from the laser modules, and output detected values as first output signals, a coupled output detection unit that detects a total laser output after coupling of a plurality of the laser outputs, and outputs a detected value as a second output signal, a computing unit that sets multiple output correction factors for correspondingly controlling the laser modules using the plurality of first output signals and the second output signal, and a control unit that controls the plurality of drive power units using the multiple output correction factors. The multiple output correction factors are each set to allow the total laser output to be maintained at a constant value.

A method for ensuring safety critical functionality for a laser engraver includes obtaining a command from a laser motor controller; obtaining sensor data from a plurality of sensors, the sensor data corresponding to an operating status of various components of the laser engraver; determining a functioning status for each component; and as a result of determining the functioning status for all of the components, enabling supply of power to a laser, where the method is performed by a safety controller that is embodied in hardware completely separate from hardware in which the laser motor controller is embodied. One example required functioning status is that a power button has been selected twice in quick succession.