Apparatus for forming line beam
US12339464B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2020 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Mar 4, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/0062
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present disclosure relates to an apparatus for forming a line beam. The apparatus includes a laser source, a telescope unit, a beam-transforming unit, a Fourier unit, a long-axis optical unit, and a short-axis optical unit. The laser source is configured to generate input light. The telescope unit is configured to magnify the input light in an X-axis direction perpendicular to an optical axis, which is a progression direction of the input light. The beam-transforming unit is configured to divide light incident from the telescope unit into a plurality of sub-columns. The Fourier unit is configured to uniformly mix the plurality of sub-columns. The long-axis optical unit is configured to uniformly disperse light mixed by the Fourier unit in the X-axis direction. The short-axis optical unit is configured to focus light passing through the long-axis optical unit onto a reference plane, wherein the short-axis optical unit includes a concave reflective surface, and a curvature of the reflective surface is maintained constant in the X-axis direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.