Erratum: Second harmonic generation in poled polymer films [Appl. Phys. Lett. <b>4</b>
                  <b>9</b>, 248 (1986)]

Singer, Kenneth D.; Sohn, John E.; Lalama, S. J.

doi:10.1063/1.99014

Cited by 7 publications

(11 citation statements)

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“…Organic polymeric second-order nonlinear optical (NLO) materials have been of great interest for many years due to their potential application of photonic devices. 1,2 Several important properties are required for the polymers to be useful for these applications, including large optical nonlinearities, low optical loss and long-term NLO stability at 1008C. Over the past decade, there have been many efficient ways to prevent the randomization of the poled order, including incorporated high glass transition temperature (T g ) polymers, crosslinked polymer networks or organic/inorganic hybrids.…”

Section: Introductionmentioning

confidence: 99%

Low loss second‐order non‐linear optical crosslinked polymers based on a phosphorus‐containing maleimide

Chen

Gwo

Jeng

et al. 2004

Polymers for Advanced Techs

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A series of crossslinked organic and organic/inorganic polymers based on maleimide chemistry have been investigated for second-order non-linear optical (NLO) materials with excellent thermal stability and low optical loss. Two reactive chromophores (maleimide-containing azobenzene dye and alkoxysilane-containing azobenzene dye) were incorporated into a phosphorus-containing maleimide polymer, respectively. The selection of the phosphorus-containing maleimide polymer as the polymeric matrices provides enhanced solubility and thermal stability, and excellent optical quality. Moreover, a full interpenetrating network (IPN) was formed through simultaneous addition reaction of the phosphorus-containing maleimide, and sol-gel process of alkoxysilane dye (ASD) Atomic force microscopy (AFM) results indicate that the inorganic networks are distributed uniformly throughout the polymer matrices on a nano-scale. The silica particle sizes are well under 100 nm. Using in situ contact poling, the r(33) Coefficients of 2.2-17.0 pm/V have been obtained for the optically clear phosphorus-containing NLO materials. Excellent temporal stability (100 degreesC) and low optical loss (0.99-1.71 dB/cm; 830 nm) were also obtained for these phosphorus-containing materials. Copyright (C) 2004 John Wiley Sons, Ltd

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Section: Introductionmentioning

confidence: 99%

Low loss second‐order non‐linear optical crosslinked polymers based on a phosphorus‐containing maleimide

Chen

Gwo

Jeng

et al. 2004

Polymers for Advanced Techs

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“…Polymers with the NLO chromophore attached as a side group to a flexible polymer chain are promising materials for these applications since they offer significant advantages over other materials, for example, ease of fabrication and possibility of tailoring properties. The noncentrosymmetric packing of the chromophores required for second order nonlinearity can be accomplished by poling the material in strong electric fields [6]. A crucial point for commercial applications is the long-term stability of the dipole orientation [7 -91.…”

Section: Introductionmentioning

confidence: 99%

Molecular Dynamics in Side‐Group Polymers with and without Liquid Crystalline Phases from ²H NMR

Leisen

Ohlemacher

Boeffel

et al. 1993

Ber Bunsenges Phys Chem

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Side-group liquid crystalline polymers were investigated by 1 D and 2D solid state 2H NMR methods in the glassy state. The side-group dynamics of liquid crystalline systems were compared to those of amorphous systems of the same molecular architecture. The onset of fast rotational motion of the phenylene rings additionally to phenylene flips was detected at considerably lower absolute and reduced temperature in the liquid crystalline systems indicating the influence of the ordered state on local dynamics. In 2D exchange spectra, the lineshapes are particularly sensitive towards possible slow motion of the flip axis itself which could be envisaged to fluctuate within the orientational distribution of the mesogen. However, the experimental spectra for the investigated sidegroup liquid crystalline polymers show no indication of the characteristic features, thereby proving that the flip axis is rigid within f3' even after a large number of flips.

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“…The most common way to break centrosymmetry in polymers is through electrical poling with an electric ®eld. 4,5 Alternatively, second order non-linear devices can be constructed by synthesizing non-linear molecules as chromophores into a non-centrosymmetric supramolecular structure. 6,7 When such structures extend to macroscopic dimensions, the poling of chromophore can be achieved through chemical synthesis with no need for external poling.…”

Section: Introductionmentioning

confidence: 99%

Optically active poly(ester‐amide)s: synthesis and characterization

Philip

Sreekumar

2001

Polymer International

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The synthesis and characterization of a new series of chiral poly(ester-amide)s are reported. They were prepared by the simple reaction of diacid chlorides with biphenolic azo chromophores and optically active dihydroxy compound (isosorbide) in dimethyl acetamide at 100°C. The polymers containing isosorbide units were optically active. The polymers showed T g between 100 and 190°C and were stable up to 400°C. These poly(ester-amide)s showed a positive solvatochromism in UV±visible absorption spectra. Second harmonic generation activities were measured by the powder method.

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Erratum: Second harmonic generation in poled polymer films [Appl. Phys. Lett. 4 9, 248 (1986)]

Cited by 7 publications

References 0 publications

Low loss second‐order non‐linear optical crosslinked polymers based on a phosphorus‐containing maleimide

Low loss second‐order non‐linear optical crosslinked polymers based on a phosphorus‐containing maleimide

Molecular Dynamics in Side‐Group Polymers with and without Liquid Crystalline Phases from ²H NMR

Optically active poly(ester‐amide)s: synthesis and characterization

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Erratum: Second harmonic generation in poled polymer films [Appl. Phys. Lett. 4 9, 248 (1986)]

Cited by 7 publications

References 0 publications

Low loss second‐order non‐linear optical crosslinked polymers based on a phosphorus‐containing maleimide

Low loss second‐order non‐linear optical crosslinked polymers based on a phosphorus‐containing maleimide

Molecular Dynamics in Side‐Group Polymers with and without Liquid Crystalline Phases from 2H NMR

Optically active poly(ester‐amide)s: synthesis and characterization

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Product

Resources

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Molecular Dynamics in Side‐Group Polymers with and without Liquid Crystalline Phases from ²H NMR