Highly efficient DUV generation at 100 kHz via Yb pumped four-wave mixing in stretched hollow-core fibers
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912705015709696 |
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| author | Forbes, Ruaridh Hockett, Paul Lausten, Rune |
| author_facet | Forbes, Ruaridh Hockett, Paul Lausten, Rune |
| contents | We report the generation of the fifth harmonic of Yb at 206 nm with pulse energies exceeding 16 $μ$J and durations of approximately 100 fs at a repetition rate of 100 kHz. The deep ultraviolet pulses are produced using four-wave difference frequency mixing in a He-filled stretched hollow-core fiber, driven by a pump at 343 nm and seeded at 1030 nm. Guided by simulations, we carefully optimize the process, resulting in a conversion efficiency of $\sim$30% from the 343 nm pump beam. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_09522 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Highly efficient DUV generation at 100 kHz via Yb pumped four-wave mixing in stretched hollow-core fibers Forbes, Ruaridh Hockett, Paul Lausten, Rune Optics We report the generation of the fifth harmonic of Yb at 206 nm with pulse energies exceeding 16 $μ$J and durations of approximately 100 fs at a repetition rate of 100 kHz. The deep ultraviolet pulses are produced using four-wave difference frequency mixing in a He-filled stretched hollow-core fiber, driven by a pump at 343 nm and seeded at 1030 nm. Guided by simulations, we carefully optimize the process, resulting in a conversion efficiency of $\sim$30% from the 343 nm pump beam. |
| title | Highly efficient DUV generation at 100 kHz via Yb pumped four-wave mixing in stretched hollow-core fibers |
| topic | Optics |
| url | https://arxiv.org/abs/2511.09522 |