NOVEL NONLINEAR CHROMOPHORES ESPECIALLY SUITED FOR USE IN ELECTRO-OPTICAL MODULATION
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Issued Date -
May 16, 2013
app pub date -
Jan 18, 2011
filing date -
Jan 22, 2010
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Abstract
The present invention relates to heptamethine hemicyanine chromophores of formula (I): where R1, R2, R3, R4, R′4, R5, R′5, R6, R′6, R7, X, Y1 and Y2 are as defined in claim 1, to the method for preparing same as well as to the use of such chromophores for the second-order nonlinear optical property thereof.
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