Efficient polarized light-emitting diodes utilizing ultrathin photoaddressable alignment layers
We demonstrate that an ultrathin photoaddressable polymer (PAP) layer with a thickness as small as 5 nm can be utilized for the monodomain alignment of thermotropic liquid crystalline polyfluorene. Th...
We demonstrate that an ultrathin photoaddressable polymer (PAP) layer with a thickness as small as 5 nm can be utilized for the monodomain alignment of thermotropic liquid crystalline polyfluorene. Th...
Resolution of photonic crystal superprism
We theoretically investigated the performance of the photonic crystal superprism, that is, the propagating beam quality, the wavelength sensitivity, and the resolution as a narrow band filter at 1.5-&...
We theoretically investigated the performance of the photonic crystal superprism, that is, the propagating beam quality, the wavelength sensitivity, and the resolution as a narrow band filter at 1.5-&...
Third-order nonlinear optical properties of in-backbone substituted conjugated polymers
Appl. Phys. Lett. 81, 2322 (2002); doi:10.1063/1.1507834
Issue Date: 23 September 2002
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We present an alternative approach to tune the third-order nonlinear optical properties of organic molecules by inserting a functional group into the path of the 
-electron conjugation instead of at its ends. We show that this scheme has a beneficial influence on the second-order hyperpolarizability for short molecules, but that in two instances where such molecules were polymerized into longer molecules the overall hyperpolarizability is reduced. ©2002 American Institute of Physics.
-electron conjugation instead of at its ends. We show that this scheme has a beneficial influence on the second-order hyperpolarizability for short molecules, but that in two instances where such molecules were polymerized into longer molecules the overall hyperpolarizability is reduced. ©2002 American Institute of Physics.
| History: | Received 5 April 2002; accepted 25 July 2002 |
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- Details of the polymerization and full characterization of the AB-type polymers will be decribed elsewhere.
