21 October 2004 Polarization holographic element using an azobenzene polymer
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Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.590894
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela
Abstract
A holographic lens is recorded superimposing two beams with orthogonal linear polarizations on an azobenzene polymer film. The polarization pattern on the interference plane induces two modulations in the media: the volume and the surface modulation. The spatial frequency of the surface relief is twice the one for the volumetric modulation resulting in a holographic lens with two different focal lengths. Additionally, because of the modulated anisotropy induced in the medium, the polarization at the longer focus distance is orthogonal to the polarization at the shorter one. We propose this polarization element to send or detect information in two planes simultaneously or separately by using an analyzer behind the holographic lens.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Geminiano Martinez-Ponce, Geminiano Martinez-Ponce, Cristina E. Solano, Cristina E. Solano, Sergio Calixto-Carrera, Sergio Calixto-Carrera, Ludmila Nikolova, Ludmila Nikolova, Todor Todorov, Todor Todorov, Tsveta Petrova, Tsveta Petrova, Natalia Tomova, Natalia Tomova, Violeta Dragostinova, Violeta Dragostinova, } "Polarization holographic element using an azobenzene polymer", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); doi: 10.1117/12.590894; https://doi.org/10.1117/12.590894
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