Wavefront shaping and imaging through a multimode hollow-core fiber
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866929413662179328 |
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| author | Lyu, Zhouping Amitonova, Lyubov |
| author_facet | Lyu, Zhouping Amitonova, Lyubov |
| contents | Multimode fibers recently emerged as compact minimally-invasive probes for high-resolution deep-tissue imaging. However, the commonly used silica fibers have a relatively low numerical aperture (NA) limiting the spatial resolution of a probe. On top of that, light propagation within the solid core generates auto-fluorescence and Raman background, which interferes with imaging. Here we propose to use a hollow-core fiber to solve these problems. We experimentally demonstrate spatial wavefront shaping at the multimode hollow-core fiber output with tunable high-NA. We demonstrate raster-scan and speckle-based compressive imaging through a multimode hollow-core fiber. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2407_05783 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Wavefront shaping and imaging through a multimode hollow-core fiber Lyu, Zhouping Amitonova, Lyubov Optics Multimode fibers recently emerged as compact minimally-invasive probes for high-resolution deep-tissue imaging. However, the commonly used silica fibers have a relatively low numerical aperture (NA) limiting the spatial resolution of a probe. On top of that, light propagation within the solid core generates auto-fluorescence and Raman background, which interferes with imaging. Here we propose to use a hollow-core fiber to solve these problems. We experimentally demonstrate spatial wavefront shaping at the multimode hollow-core fiber output with tunable high-NA. We demonstrate raster-scan and speckle-based compressive imaging through a multimode hollow-core fiber. |
| title | Wavefront shaping and imaging through a multimode hollow-core fiber |
| topic | Optics |
| url | https://arxiv.org/abs/2407.05783 |