Spin-induced angular momentum switching
Fernández Calvo, Gabriel (Universitat Autònoma de Barcelona. Departament de Física)
Picón Álvarez, Antonio (Universitat Autònoma de Barcelona. Departament de Física)
Data: |
2007 |
Resum: |
When light is transmitted through optically inhomogeneous and anisotropic media the spatial distribution of light can be modified according to its input polarization state. A complete analysis of this process, based on the paraxial approximation, is presented, and we show how it can be exploited to produce a spin-controlled change in the orbital angular momentum of light beams propagating in patterned space-variant optical axis phase plates. We also unveil a new effect: the development of a strong modulation in the angular momentum change upon variation of the optical path through the phase plates. |
Drets: |
Tots els drets reservats. |
Llengua: |
Anglès |
Document: |
Article ; recerca ; Versió publicada |
Matèria: |
Òptica |
Publicat a: |
Optics letters, Vol. 32, No. 7 (1 April 2007) , p. 838-840, ISSN 0146-9592 |
DOI: 10.1364/OL.32.000838
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