Padgett, M. and Allen, L. (1999) The Angular Momentum Of Light: Optical Spanners And The Rotational Frequency Shift. Optical and Quantum Electronics, 31(1), pp. 1-12. (doi: 10.1023/A:1006911428303)
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Abstract
An introduction is given to the concepts of the spin and orbital angular momentum of light beams. Both spin and orbital angular momentum can be transferred from a light beam to particles held within optical tweezers, so forming an optical spanner. Each also give rise to a frequency shift when the light beam is rotated. This arises because quarter or half-wave plates and pi/2 or pi mode converters play equivalent roles for spin and orbital angular momentum respectively.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Padgett, Professor Miles |
| Authors: | Padgett, M., and Allen, L. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Optical and Quantum Electronics |
| Journal Abbr.: | Opt. Quantum Electron. |
| ISSN: | 0306-8919 |
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