#7406. Optical near-field measurement for spin-orbit interaction of light

October 2026publication date
Proposal available till 17-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Statistical and Nonlinear Physics;
Electrical and Electronic Engineering;
Atomic and Molecular Physics, and Optics;
Electronic, Optical and Magnetic Materials;
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Abstract:
Since the seminal work by J. H. Poynting, light has been known to carry momentum and angular momentum. The typical dynamical features of light and its interactions—termed spin–orbit interactions (SOIs), which have been investigated intensely over the last 30 years—play a crucial role in various light-matter interactions. In particular, the SOI of light in isotropic inhomogeneous media is a fine, subwavelength effect accomplished through the intrinsic coupling between lights phase, polarization and position.Very recently, with modern advanced nanofabrication techniques, many measurement techniques based on nanoparticles, nanoantennas, and nanoprobes of special designs have been proposed to understand the optical SOIs visually by characterizing the polarization and spin/orbital features of light. Here, we review the near-field techniques for measurements of optical SOIs together with their potential applications.
Keywords:
Nanoantenna; Near-field measurement; Optical manipulation; Phase; Polarization; Spin–orbit interaction of light

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