. LAMBDA.-Type Main-Chain Polymers for Second Harmonic Generation

XT Tao, T Watanabe, S Shimoda, DC Zou… - Chemistry of …, 1994 - ACS Publications
A novel series ofmain-chain polymers from-shaped molecules were synthesized by
nucleophilic displacement polymerization. These polymers were prepared from bis (4-fluoro …

Corona-poled nonlinear polymeric films: in situ electric field measurement, characterization and ultrashort-pulse applications

A Knoesen, NE Molau, DR Yankelevich… - … Journal of Nonlinear …, 1992 - World Scientific
Electric poling at field intensities approaching the dielectric strength of the film is possible
with corona poling. Polymeric thin films with large second-order nonlinearities can be …

The pH dependent adsorption of Coumarin 343 at the water/dichloroethane interface

D Pant, M Le Guennec, B Illien… - Physical Chemistry …, 2004 - pubs.rsc.org
The surface sensitive technique of optical second harmonic generation (SHG) and quasi-
elastic laser scattering (QELS) have been applied to study the effect of pH on the adsorption …

Study of Photophysical properties on newly synthesized Coumarin derivatives

AH Sidarai, VR Desai, SM Hunagund… - Journal of …, 2017 - Springer
Herein, we have studied the photophysical properties for three newly synthesized coumarin
derivatives; 4-((2, 6-dibromo-4-methylphenoxy) methyl)-2H-benzo [h] chromen-2-one (DMB) …

Generation of 312 nm, femtosecond pulses using a poled copolymer film

DR Yankelevich, A Dienes, A Knoesen… - IEEE journal of …, 1992 - ieeexplore.ieee.org
A 2.5-mu m-thick corona-poled copolymer film was used to double approximately 13-fs-long,
50-nJ-energy, 625-nm-wavelength pulses at a 8-kHz repetition rate. The large effective d …

Second-order nonlinear optical effects in novel polymethacrylates containing a molecular-ionic chromophore in the side chain

DH Choi, W Wijekoon, HM Kim… - Chemistry of …, 1994 - ACS Publications
We have synthesized new glassy methacrylate polymers containing a molecular-ionic (N-
methylpyridinium) nonlinear optical chromophore in the side chain. A bulky …

Chromophore-functionalized glassy polymers with large second-order nonlinear optical responses. Synthesis, characterization, and architecture-processing-response …

MA Firestone, J Park, N Minami, MA Ratner… - …, 1995 - ACS Publications
This paper reports a systematic study of the synthesis, characterization, and second-order
nonlinear optical properties of a series of chromophore-functionalized glassy polymers …

Second-order nonlinear optical effects in novel side-chain liquid crystalline polymers and monomers under bias of an applied dc electric field

W Wijekoon, Y Zhang, SP Karna, PN Prasad, AC Griffin… - JOSA B, 1992 - opg.optica.org
Second-order nonlinear optical susceptibilities of a series of newly synthesized liquid
crystalline polymers and corresponding monomers were measured by using second …

Polar order and relaxation of second order nonlinear optical susceptibility in an electric field polarized amorphous polymer

CH Wang, SH Gu, HW Guan - The Journal of chemical physics, 1993 - pubs.aip.org
The dependence of the second harmonic generation (SHG) signal of an amorphous polymer
system containing nonlinear optical (NLO) chromophores on the polarizing electric field is …

Генерация второй гармоники лазерного излучения в нецентросимметричных полимерных системах

АВ Ванников, АД Гришина, РВ Рихвальский… - Успехи химии, 1998 - mathnet.ru
Обсуждены нелинейные оптические свойства второго порядка полимерных сред и
механизмы генерации и релаксации второй гармоники поляризованного лазерного …