Thiapyrylium dye sensitization of photorefractivity in a polymer composite

Yue Zhang; Spencer, Christopher A.
April 1994
Applied Physics Letters;4/11/1994, Vol. 64 Issue 15, p1908
Academic Journal
Uses an ionic thiapyrylium dye as a photocharge sensitizer in photorefractive polymer composite. Achievement of four-wave mixing diffraction efficiencies as high as 2%; Observation of asymmetric energy transfer; Obtainment of a two-beam coupling gain of 7 cm[sup -1].


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