Vortex bifocusing of extreme ultraviolet using modified Fermat-spiral photon-sieve splitter
Abstract: Structured beams carrying orbital angular momentum (OAM) provide powerful capabilities for applications in optical tweezers, super-resolution imaging, quantum optics, and ad-vanced microparticle manipulation. However, it is challenging for generate and control the OAM beams at the extreme ultraviolet (EUV) region due to the lack of suitable wave front shaping optics arise from being limited to the strong absorption of most materials. Here, we use a modified Fermat-spiral photon-sieve splitter to simultaneously generate two focused doughnut beams with opposite helical phase. Our technique enables us to produce splitting focused vortex beams with different rotation directions at EUV wavelengths. Additionally, we provide experimental evidence showcasing the capabilities of our method and further detect the helical phase by self-reference interferometry. This work not only opens a route for OAM-driven applications in EUV radiation, but also paves the way to studies of holographic technique by EUV splitter.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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Vortex bifocusing of extreme ultraviolet using modified Fermat-spiral photon-sieve splitter ; volume:13 ; number:23 ; year:2024 ; pages:4225-4230 ; extent:6
Nanophotonics ; 13, Heft 23 (2024), 4225-4230 (gesamt 6)
- Creator
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Liu, Yuanyuan
Cui, Huaiyu
Shen, Yujie
Zhao, Yongpeng
Yang, Shumin
Wang, Gangwei
Tong, Xin
Zhang, Junyong
Zhan, Qiwen
- DOI
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10.1515/nanoph-2024-0389
- URN
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urn:nbn:de:101:1-2411081438299.730502908984
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:21 AM CEST
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Associated
- Liu, Yuanyuan
- Cui, Huaiyu
- Shen, Yujie
- Zhao, Yongpeng
- Yang, Shumin
- Wang, Gangwei
- Tong, Xin
- Zhang, Junyong
- Zhan, Qiwen
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