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Modelling of binary phase modulation in surface stabilized ferroelectric liquid crystal spatial light modulators |
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| Authors: | Yongmin. Lee J. Gourlay I. Underwood A.J. Walton |
| Affiliation: | a Scottish Microelectronics Centre, School of Engineering and Electronics, The University of Edinburgh, King's Buildings, Edinburgh EH9 3JF, Scotland, UK b MicroEmissive Displays Ltd, Scottish Microelectronics Centre, West Mains Road, Edinburgh EH9 3JF, UK c School of Physics, The University of Edinburgh, James Clerk Maxwell Building, King's Buildings, Edinburgh EH9 2JZ, UK |
| Abstract: | Modelling of binary phase modulation is required for optimal performance of ferroelectric liquid crystals (FLC) on silicon SLMs when used in coherent optical systems. This paper presents a modelling technique by which an HSpice model can be provided for characterization of phase modulation properties for designing FLC-on-silicon SLMs. The simulation and experimental measurements of phase modulation are described. For the theoretical model simulation, FLC parameter measurements are described. We experimentally verify the modelled prediction of phase modulation by investigating reflective FLC test cells. We have shown reasonable agreement within 9% between the measured and simulated values of phase modulation. |
| Keywords: | Phase modulation Ferroelectric liquid crystal HSpice model |
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