Optical article containing a polymer that exhibits nonlinear sec

Details Optical article containing a polymer that exhibits nonlinear sec Optical article containing a polymer that exhibits nonlinear sec

1993-11-18

1995-01-10

Lee, John D.

Optical waveguides

Having particular optical characteristic modifying chemical...

385122, 385130, 252582, 526243, G02B 616

Patent

active

053815076

ABSTRACT:
An optical article exhibits effects attributable to the nonlinear second order polarizability of electromagnetic radiation and comprises a polymer containing within its repeating units polar aligned noncentrosymmetric molecular dipoles having an electron donor moiety linked through a conjugated .pi. bonding system to an electron acceptor moiety to permit oscillation of the molecular dipoles between a ground state exhibiting a first dipole moment and an excited state exhibiting a different dipole moment, characterized in that the molecular dipoles include as an acceptor moiety a vinyl group geminally substituted by two strong electron withdrawing groups, at least one of which is a perfluoroalkylsulfonyl moiety.

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