nLIGHT has been granted a patent for a method of processing optical beams by controlling beam characteristics using different refractive index profiles in fiber lengths. The apparatus includes a perturbation region to modify beam characteristics and a confinement region to maintain selected characteristics, allowing for versatile beam manipulation in optical beam delivery systems. GlobalData’s report on nLIGHT gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on nLIGHT, Welding robots was a key innovation area identified from patents. nLIGHT's grant share as of January 2024 was 44%. Grant share is based on the ratio of number of grants to total number of patents.
Optical fiber apparatus for controlling beam characteristics
A recently granted patent (Publication Number: US11886053B2) discloses an innovative apparatus designed for use in an optical beam delivery system. The apparatus includes an optical fiber with a unique confinement region that maintains specific beam characteristics selected from a set of two or more options. A perturbation region, coupled to the confinement region, can modify the beam characteristics of an optical beam using a perturbation assembly. This assembly can operate in different modes, such as generating a laser beam with a spot-shaped profile or moving the intensity distribution radially outward. The apparatus also features circuitry to control the perturbation assembly for laser processing a workpiece using the different modes at different times.
Furthermore, the apparatus includes a refractive index profile within the confinement region to trap the intensity distribution of the modified optical beam. The perturbation assembly, powered by a power source, is controlled by circuitry to adjust the delivery of the laser beam to the workpiece. A memory stores a calibration table correlating different beam characteristics with fiber perturbation values, allowing the perturbation assembly to select the appropriate perturbation level based on the demanded laser attribute. The apparatus also incorporates means for displacing the core of the optical fiber from the fiber axis, enhancing its functionality in the optical beam delivery system. Overall, this patented apparatus offers a sophisticated and versatile solution for laser processing applications, providing precise control over beam characteristics and delivery for optimal results.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
