Torsion pendulum driven by the angular momentum of light: Beth’s legacy continues

IF 20.6 1区 物理与天体物理 Q1 OPTICS Advanced Photonics Pub Date : 2023-05-01 DOI:10.1117/1.AP.5.3.034003
E. Brasselet
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Abstract

Abstract. The optical angular momentum is ubiquitous to the science of light, especially whenever the polarization state and the spatial distribution of the phase are involved, which are most often associated with the spin and orbital parts of the total angular momentum, respectively. Notably, the independent introduction of these two contributions to the total optical angular momentum was accompanied by suggestions regarding the possible detection of their mechanical effects using a torsion pendulum. Today, the classical and quantum mechanical aspects of spin and orbital angular momentum of light and their mutual coupling remain active research topics offering exciting perspectives for photonic technologies. Our brief historical overview shows how the torsion pendulum has accompanied scientific advances on mechanical effects based on the angular degrees of freedom of light since Beth’s pioneering contribution published in 1935.
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光的角动量驱动的扭摆:贝丝的遗产继续
摘要光学角动量在光科学中无处不在,尤其是当涉及偏振态和相位的空间分布时,它们通常分别与总角动量的自旋和轨道部分有关。值得注意的是,这两个对总光学角动量的贡献的独立引入,伴随着关于使用扭摆可能检测其机械效应的建议。如今,光的自旋和轨道角动量及其相互耦合的经典和量子力学方面仍然是活跃的研究主题,为光子技术提供了令人兴奋的前景。我们简要的历史概述显示了自贝丝1935年发表开创性贡献以来,扭摆是如何伴随着基于光的角自由度的机械效应的科学进步而出现的。
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来源期刊
CiteScore
22.70
自引率
1.20%
发文量
49
审稿时长
18 weeks
期刊介绍: Advanced Photonics is a highly selective, open-access, international journal that publishes innovative research in all areas of optics and photonics, including fundamental and applied research. The journal publishes top-quality original papers, letters, and review articles, reflecting significant advances and breakthroughs in theoretical and experimental research and novel applications with considerable potential. The journal seeks high-quality, high-impact articles across the entire spectrum of optics, photonics, and related fields with specific emphasis on the following acceptance criteria: -New concepts in terms of fundamental research with great impact and significance -State-of-the-art technologies in terms of novel methods for important applications -Reviews of recent major advances and discoveries and state-of-the-art benchmarking. The journal also publishes news and commentaries highlighting scientific and technological discoveries, breakthroughs, and achievements in optics, photonics, and related fields.
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