Identifying graphene layers via spin Hall effect of light
Xinxing Zhou, Xiaohui Ling, Hailu Luo, and Shuangchun Wen
TL;DR
This paper proposes using the spin Hall effect of light as a precise, non-invasive method to identify the number of graphene layers by detecting variations in transverse displacements.
Contribution
It introduces a novel application of SHE of light for graphene layer identification, enhancing nanostructure characterization techniques.
Findings
Transverse displacements in SHE of light vary with graphene layer number.
The method provides a sensitive way to distinguish different graphene layers.
Potential for non-destructive, optical characterization of 2D materials.
Abstract
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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