Significant enhancement of the optical second harmonic generation in a poled azopolymer thin grating

Article Abstract:

The nonlinear optical properties of an electronically poled surface relief grating (SRG) inscribed on a thin film of azopolymer are analyzed. A drastic enhancement of second harmonic generation (SHG) from a poled SRG inscribed on an azobenzene-containing polymer thin film is noticed when the phase and the angular matching conditions are fulfilled.

Semiconductors and related devices, Semiconductor and Related Device Manufacturing, Thin Film Materials, Analysis, Design and construction, Thin films, Optical properties, Dielectric films, Nonlinear optics, Azo compounds

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Synthesis of TiO2/SiO2 core/shell nanocable arrays

Article Abstract:

The morphology, microstructure and chemical composition of the nanocables are characterized by using scanning electron microscopy, transmission electron microscopy and spatial resolution energy depressive X-ray spectroscopy. A possible growth mechanism of the nanocables is proposed on the basis of thermodynamic and kinetic considerations.

All Other Basic Inorganic Chemical Manufacturing, Analytical Laboratory Instrument Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Analytical instruments, Silicon Dioxide, Scanning Microscopy, Usage, Titanium dioxide

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