High-fidelity holographic beam shaping with optimal transport and phase diversity
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arXiv
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| Autores principales: | , , , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Acceso en línea: | |
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| _version_ | 1866914236914991104 |
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| author | Swan, Hunter Torchylo, Andrii Van de Graaff, Michael J. Rudolph, Jan Hogan, Jason M. |
| author_facet | Swan, Hunter Torchylo, Andrii Van de Graaff, Michael J. Rudolph, Jan Hogan, Jason M. |
| contents | A phase-only spatial light modulator (SLM) provides a powerful way to shape laser beams into arbitrary intensity patterns, but at the cost of a hard computational problem of determining an appropriate SLM phase. Here we show that optimal transport methods can generate approximate solutions to this problem that serve as excellent initializations for iterative phase retrieval algorithms, yielding vortex-free solutions with superior accuracy and efficiency. Additionally, we show that analogous algorithms can be used to measure the intensity and phase of the input beam incident upon the SLM via phase diversity imaging. These techniques furnish flexible and convenient solutions to the computational challenges of beam shaping with an SLM. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_17025 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | High-fidelity holographic beam shaping with optimal transport and phase diversity Swan, Hunter Torchylo, Andrii Van de Graaff, Michael J. Rudolph, Jan Hogan, Jason M. Optics Atomic Physics Quantum Physics A phase-only spatial light modulator (SLM) provides a powerful way to shape laser beams into arbitrary intensity patterns, but at the cost of a hard computational problem of determining an appropriate SLM phase. Here we show that optimal transport methods can generate approximate solutions to this problem that serve as excellent initializations for iterative phase retrieval algorithms, yielding vortex-free solutions with superior accuracy and efficiency. Additionally, we show that analogous algorithms can be used to measure the intensity and phase of the input beam incident upon the SLM via phase diversity imaging. These techniques furnish flexible and convenient solutions to the computational challenges of beam shaping with an SLM. |
| title | High-fidelity holographic beam shaping with optimal transport and phase diversity |
| topic | Optics Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2408.17025 |