Reversible holographic grating formation in polymer solutions |
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| Authors: | Loppinet Benoit Somma Elvira Vainos Nikos Fytas George |
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| Affiliation: | F.O.R.T.H., Institute of Electronic Structure and Laser, P. O. Box 1527, 71110 Heraklion, Greece. benoit@iesl.forth.gr |
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| Abstract: | We demonstrate the reversible optical recording of holographic gratings in nonabsorbing solutions of common homopolymers. These phase gratings exhibit first-order diffraction efficiencies in excess of 50%. They are associated with the spatial modulation of the concentration of the polymer solute initiated, but not solely caused, by radiation forces. |
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