Optical helicity of interfering waves
Cameron, Robert and Barnett, Steve and Yao, Alison (2014) Optical helicity of interfering waves. Journal of Modern Optics, 61 (1). pp. 25-31. ISSN 0950-0340
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Helicity is a property of light which is familiar from particle physics but less well-known in optics. In this paper we recall the explicit form taken by the helicity of light within classical electromagnetic theory and reflect upon some of its remarkable characteristics. The helicity of light is related to, but is distinct from, the spin of light. To emphasise this fact, we draw a simple analogy between the helicity of light and electric charge and between the spin of light and electric current. We illustrate this and other observations by examining various superpositions of plane waves explicitly.
| Author(s): | Cameron, Robert, Barnett, Steve and Yao, Alison  ORCID: https://orcid.org/0000-0002-6260-5852 | Item type: | Article |
|---|---|
| ID code: | 46527 |
| Keywords: | optical, helicity, interfering waves, property of light, particle physics, optics, Optics. Light, Atomic and Molecular Physics, and Optics |
| Subjects: | Science > Physics > Optics. Light |
| Department: | Faculty of Science > Physics |
| Depositing user: | Pure Administrator |
| Date deposited: | 22 Jan 2014 11:37 |
| Last modified: | 20 Sep 2019 02:52 |
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| URI: | https://strathprints.strath.ac.uk/id/eprint/46527 |
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