Identifying graphene layers via spin Hall effect of light
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The spin Hall effect (SHE) of light is a useful metrological tool for characterizing the structure parameters' variations of nanostructure. In this letter, we propose using the SHE of light to identify the graphene layers. This technique is based on the mechanism that the transverse displacements in SHE of light are sensitive to the variations of graphene layer numbers.
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Focusing circularly-polarized light by a high-numerical-aperture lens generates a spin-dependent optical vortex in the focal field.
“(ii) Focusing of circularly-polarized light by a high-numerical-aperture lens results in the generation of a spin-dependent optical vortex (i.e., helical phase producing orbital angular momentum) in the focal field.”
From Spin–orbit interactions of light (2015) · cites this paper as [22]
The experimental setup (p. 2) uses a linearly polarized beam and reports opposite displacements of its spin components at a graphene–prism interface. Searches for high-numerical-aperture focusing and for a helical phase or orbital angular momentum found no passage describing a spin-dependent optical vortex in the focal field. (LLM, conf=0.76)
Experimental — accuracy not yet measuredPart of the orbital AM becomes helicity-dependent, so a helicity-dependent vortex should appear even in beams with l=0.
“Part of the orbital AM becomes helicity -dependent, i.e., a helicity-dependent vortex should appear even in beams with = 0 (Fig. 2b) 22- 24,27 .”
From Spin–orbit interactions of light (2015) · cites this paper as [22]
The discussion of reflected beams (pp. 1–2) describes spin-dependent transverse shifts, not helicity-dependent orbital angular momentum or a vortex in a beam with l=0. Searches for those terms and for spin–orbit conversion found no passage in our copy addressing the claimed vortex. (LLM, conf=0.75)
Experimental — accuracy not yet measuredThe presence of helicity-dependent vortices and IOAM in focused light was observed using probe particles, which experienced transverse orbital rotation around the beam axis with sense determined by the helicity of the incoming wave that had no vorticity prior to focusing.
“The presence of the helicity-dependent vortices and IOAM in focused light was observed using probe particles interacting with the focal field 22,23,99 , Fig. 2b. The particles experienced transverse orbital rotation around the beam axis, which is characteristic of optical vortices 101,102 , with the sense of a rotation determined by the helicity of the incoming wave, which”
From Spin–orbit interactions of light (2015) · cites this paper as [22]
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Spin–orbit interactions of light
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Self-citationSpin-orbit interactions of light
Bliokh, K. Y., Rodriguez-Fortuno, F. J., Nori, F., & Zayats, A. V. (2015) · arXiv
- Authors
- Zhou, X., Ling, X., Luo, H., & Wen, S.
- Affiliations
- Hunan University (CN)
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2012-12-17
- Volume
- 101
- Issue
- 25
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2068425289
- Cited by
- 424
- References
- 22
- Citations by year
- 2026: 28 · 2025: 35 · 2024: 45 · 2023: 39 · 2022: 63 · 2021: 46 · 2020: 38 · 2019: 42 · 2018: 25 · 2017: 24 · 2016: 18 · 2015: 10 · 2014: 9 · 2013: 2
- FWCI
- 3.46
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Applied Physics Letters (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- arXiv (Cornell University)
- Funders
- National Natural Science Foundation of China (11274106, 61025024, 12JJ7005)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Orbital Angular Momentum in Optics
- Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
- Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
- Keywords
- spin Hall effect of light, graphene layers, layer number identification, lateral displacement, optical metrology, nanostructure characterization
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