Abstract
High efficiency nonlinear polarization conversion in nematic liquid crystal is demonstrated in reflection geometry. The polarization shaping is realized via coupling of four orthogonal polarized beams on orientational transmission phase gratings. The vectorial character of excitations allows a collinear phase matched interaction with a best overlapping of signal and pump beams, thus enhancing the coupling efficiency. The schema allows the continuous control of polarization conversion by the light exposition.
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References
T. Galstyan, B.Ya. Zel’dovich, E.A. Nemkova, A.V. Sukhov, Nonstationary Optical Excitation of Bulk Short-period Orientation Lattices in a Nematic, Sov. Phys. JETP 66, (5): 991 (1987).
2.T. Galstyan and A.V. Sukhov, Dynamics of Transient Self-Phase Conjugation in a Liquid Crystal, (USSR) Zh.Technic.Fiz. 60, 12: 81 (1990).
P.G. de Gennes and J. Prost, The Physics of Liquid Crystals. Second ed., Clarendon Press. Oxford, 1993.
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© 1997 Springer Science+Business Media New York
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Galstian, G., Galstyan, T. (1997). Nonlinear Polarization Shaping in a Nematic Liquid Crystal. In: Lampropoulos, G.A., Lessard, R.A. (eds) Applications of Photonic Technology 2. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9250-8_5
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DOI: https://doi.org/10.1007/978-1-4757-9250-8_5
Publisher Name: Springer, Boston, MA
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