国际研究团队发现了光的一项隐藏性质。1 来自英国东英吉利大学和南非威特沃特斯兰德大学的研究人员发现，光可以通过自身的内部拓扑结构在自由空间中自然形成左旋和右旋手性模式，而无需依赖特殊透镜、镜面或其他材料。1 这意味着光束在传播过程中能够产生旋转区域，仅凭其内在几何结构就能控制自身行为。1
该研究由MSc学生Light Mkhumbuza进行了关键实验，发现光束初始状态下无旋转，但在自由空间传播时会出现旋转区域。1 研究团队运用拓扑学数学原理解释光的这一行为，揭示了光的复杂内在结构如何能够像甜甜圈和杯子那样通过拓扑等价性相互关联。1 该论文已发表在《Light: Science & Applications》期刊2026年第15卷第1期，题目为《拓扑控制手性和自旋的结构化光》。1
研究人员指出，这一发现可能在多个领域产生应用，包括开发更灵敏的医学诊断工具、实现更快更安全的通信技术以及推进先进量子技术的发展。1
An international research team has uncovered a hidden property of light: the ability to naturally form rotating and twisted helical patterns in free space without requiring specialized lenses, mirrors, or materials.1 The discovery reveals that light's intrinsic geometric structure can control its behavior, challenging long-standing assumptions about how light interacts.1 Researchers from the University of East Anglia in the United Kingdom and the University of the Witwatersrand in South Africa found that light beams can produce rotating regions during propagation through open space without any external optical components.1
The team employed topological mathematics principles to explain the phenomenon, drawing analogies to concepts like the topological equivalence between donuts and cups.1 MSc student Light Mkhumbuza conducted critical experiments demonstrating that light beams initially without rotation developed rotating regions as they propagated.1 The research, titled "Topological Control of Chirality and Spin with Structured Light," was published in the journal Light: Science & Applications in 2026, volume 15, issue 1.1 The findings indicate that light can naturally form left-handed and right-handed chiral patterns through its internal topological structure.1
The breakthrough carries potential applications across multiple fields, including more sensitive medical diagnostics, faster and more secure communication technologies, and advanced quantum technologies.1
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