Abstract: Systems and methods for analyzing laser beam characteristics in high-speed laser motion systems, wherein the high-speed laser motion systems include a laser for generating the laser beam and a build plane positioned at a predetermined location relative to the laser beam, comprising positioning a plurality of pin-hole sensors within a field of view of the laser, wherein each of the pin-hole sensors is positioned at a predetermined location; registering the predetermined location of each pin-hole sensor with the high-speed laser motion systems; directing the laser beam to the predetermined locations of each pin-hole sensor; receiving a signal from each pin-hole sensor to verify positional accuracy of the laser beam; and repeatedly redirecting the laser beam to the predetermined location of each pin-hole sensor to measure precision repeatability.

Abstract: Systems and methods for analyzing laser beam characteristics in high-speed laser motion systems, wherein the characteristics include laser travel speed, velocity, and acceleration, wherein the high-speed laser motion systems comprise a laser for generating a laser beam, comprising determining a location of the first pin-hole sensor within the predetermined field of view; determining a location of the second pin-hole sensor within the predetermined field of view; defining a travel distance of the laser beam; measuring the amount of time to travel from the location of the first pin-hole sensor to the location of the second pin-hole sensor; and dividing the travel distance by the amount of time to travel from the location of the first pin-hole sensor to the location of the second pin-hole sensor to calculate the velocity of the laser beam between the first pin-hole sensor and the second pin-hole sensor.

Abstract: A system for analyzing large area laser powder bed fusion (LPBF) systems and other high-speed motion laser beam systems, wherein the system comprises a plurality of lasers, wherein each laser creates a field of view such that an overlapping region is created, and wherein each laser generates a non-stationary laser beam; a build platform positioned at a predetermined location relative to the field of view of the lasers; and a plurality of portable measurement devices positioned on the build platform, wherein each portable measurement device includes a pin-hole sensor that receives laser light generated by the non-stationary laser beam, and wherein the plurality of portable measurement devices are electrically coupled to one another to form a modular array.

Abstract: A system for analyzing laser beam characteristics in high-speed laser motion systems, wherein the high-speed laser motion systems comprise multiple lasers each having a field of view that generates non-stationary laser beams and a build platform positioned at a predetermined location relative to the non-stationary laser beams, comprising at least one mounted pin-hole sensor that receives laser light generated by the non-stationary laser beams; an actuation device that includes either: the at least one pin-hole sensor; or an optical device that directs the laser light to the at least one pin-hole sensor; and wherein the actuation device is actuated into an operating environment above the build platform.

Abstract: System and methods for evaluating build platform flatness and parallelism relative to a focal plane of a high-speed laser in high-speed laser motion systems, wherein the high-speed laser motion systems include the high-speed laser that generates a laser beam, and the build platform having a work plane, comprising positioning a plurality of pin-hole sensors within the focal plane of the high-speed laser, wherein each of the pin-hole sensors is positioned at a predetermined location; directing the laser beam to the predetermined locations of each pin-hole sensor; measuring a spot size of the laser beam at each pin-hole sensor, wherein the spot size at each pin-hole defining structure has a measureable diameter; comparing the measurable diameters obtained at each pin-hole sensor; and adjusting the work plane of the build platform to a position where the measurable diameters of the spot sizes are equal at each pin-hole sensor.