Abstract
It is shown that the polarization singularities of vector field are connected with the presence or absence of the angular momentum of electromagnetic field. In the vicinity of C-point the orbital angular momentum is observed. Direction of influence of such orbital angular momentum is defined by the sign of topological charge of vibration phase in this area. Spin angular momentum of a field vanishes on the s-contour. At the same time similar momentum appears if the resulting field is formed by the waves with different wavelengths.
Original language | English (US) |
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Article number | 89 |
Pages (from-to) | 652-662 |
Number of pages | 11 |
Journal | Proceedings of SPIE - The International Society for Optical Engineering |
Volume | 5514 |
DOIs | |
State | Published - 2004 |
Externally published | Yes |
Event | Optical Trapping and Optical Micromanipulation - Denver, CO, United States Duration: Aug 2 2004 → Aug 6 2004 |
Keywords
- Angular momentum
- C-point
- Orbital angular momentum
- Polarization
- Polarization singularities
- S-contour
- Spin angular momentum
- Vortex
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering