Journal
OPTICS LETTERS
Volume 41, Issue 1, Pages 13-16Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.41.000013
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- Ministerio de Ciencia e Innovacion (MICINN) [FIS2012-39158-C02-02]
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We examine the performance of a tunable liquid crystal q-plate in a reflective geometry. When the device is tuned to a half-wave retardance, it operates as a q-plate with twice the value (2q) by adding a quarter-wave retarder between the mirror and the q-plate. However, when the device is tuned to a quarter-wave retardance, it acts as the original q-plate without the retarder. Experimental results are shown. Using an input tunable polarization state generator, the system allows the switchable production of all states on both the first- and second-order Poincare spheres. (C) 2015 Optical Society of America
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