3D in-situ profiling in a laser micromachining station using dual-comb LiDAR
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arXiv
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| Auteurs principaux: | , , , , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866908556203130880 |
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| author | Soghomonyan, Hayk Pupeikis, Justinas Willenberg, Benjamin Stumpp, Armin Lang, Lukas Phillips, Christopher R. Resan, Bojan Keller, Ursula |
| author_facet | Soghomonyan, Hayk Pupeikis, Justinas Willenberg, Benjamin Stumpp, Armin Lang, Lukas Phillips, Christopher R. Resan, Bojan Keller, Ursula |
| contents | One of the main challenges in laser micromachining is the complexity of the process development. The available monitoring capabilities are mostly limited to external measurement systems, significantly slowing down this step. We address this limitation by integrating a coaxial dual-comb LiDAR system directly into a laser micromachining station, enabling in-situ, non-destructive 3D profiling without removing the workpiece. The sub-micron raw axial precision of the system, the operation without mechanical delay scanning and a large working range make the system well-suited for profiling a large variety of micromachined structures. By providing in-situ feedback this approach will significantly accelerate laser micromachining process development. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_09659 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | 3D in-situ profiling in a laser micromachining station using dual-comb LiDAR Soghomonyan, Hayk Pupeikis, Justinas Willenberg, Benjamin Stumpp, Armin Lang, Lukas Phillips, Christopher R. Resan, Bojan Keller, Ursula Optics One of the main challenges in laser micromachining is the complexity of the process development. The available monitoring capabilities are mostly limited to external measurement systems, significantly slowing down this step. We address this limitation by integrating a coaxial dual-comb LiDAR system directly into a laser micromachining station, enabling in-situ, non-destructive 3D profiling without removing the workpiece. The sub-micron raw axial precision of the system, the operation without mechanical delay scanning and a large working range make the system well-suited for profiling a large variety of micromachined structures. By providing in-situ feedback this approach will significantly accelerate laser micromachining process development. |
| title | 3D in-situ profiling in a laser micromachining station using dual-comb LiDAR |
| topic | Optics |
| url | https://arxiv.org/abs/2504.09659 |