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3 p, 124.5 KB

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)
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. [...]
2007 - DOI (Digital Object Identifier)

10.1364/OL.32.000838
Optics letters, Vol. 32, No. 7 (1 April 2007) , p. 838-840

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3 p, 226.9 KB

Tailoring the depth of focus for optical imaging systems using a Fourier transform approach / Davis, Jeffrey A. (San Diego State University. Department of Physics) ; Tuvey, C. Stewart (San Diego State University. Department of Physics) ; López Coronado, Octavio (Universitat Autònoma de Barcelona. Departament de Física) ; Campos Coloma, Juan (Universitat Autònoma de Barcelona. Departament de Física) ; Yzuel Giménez, María Josefa (Universitat Autònoma de Barcelona. Departament de Física)
We show how to tailor the depth of focus for an optical system using pupil functions obtained from a Fourier transform approach. These complex amplitude and phase pupil functions are encoded onto a single liquid-crystal spatial light modulator. [...]
2007 - DOI (Digital Object Identifier)

10.1364/OL.32.000844
Optics letters, Vol. 32, No. 7 (1 April 2007) , p. 844-846

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