14 December 2016 Light fields generated by LC focusing device in different operational regimes
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Proceedings Volume 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics; 1017626 (2016) https://doi.org/10.1117/12.2268180
Event: Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 2016, Khabarovsk, Russia
Abstract
The types of light fields that can be generated with the use of proposed by the authors 4-channel modulator (LC focusing device) in different modes depending on the value of χl (where χ is the modal parameter, l – the characteristic size of the aperture and the square of χl is the ratio of the resistance of the high resistance layer and the impedance of the LC layer) are analyzed. By means of numerical simulation it was shown that χl value determines reshaping of equipotential lines of voltage from ring/ellipses to square/parallelogram contours or octagon contours. The capability of LC focusing device to generate light fields with intensity distribution in the shape of intersections, sets of points, boundaries of squares, diamonds, parallelograms, octagons is demonstrated. Obtained light fields can be useful in the problems of optical manipulation.
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Svetlana P. Kotova, Svetlana P. Kotova, Aleksandra M. Mayorova, Aleksandra M. Mayorova, Sergey A. Samagin, Sergey A. Samagin, } "Light fields generated by LC focusing device in different operational regimes", Proc. SPIE 10176, Asia-Pacific Conference on Fundamental Problems of Opto- and Microelectronics, 1017626 (14 December 2016); doi: 10.1117/12.2268180; https://doi.org/10.1117/12.2268180
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