Bragg diffraction

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Bragg diffraction

[′brag di′frak·shən]

(solid state physics)

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In the case of a volume hologram (or Bragg hologram), the Bragg condition occurs and hence Bragg diffraction in the formation of the image, as the optical path difference between wavefronts reflected from successive layers of material (photopolymer in this case) is an integral multiple of the wavelength.

Krypten--innovations in volume photopolymer holography

89, th is the Bragg diffraction angle, l is the wavelength of X-rays having value equal to 1.

Synthesis and Some Physical Features of Silica Xerogels Derived by Sol-Gel Method

In the case of Bragg diffraction (y0 > 0, yh <0) in the range

Spatial scaling in the theory of X-ray scattering. Non-standard dynamic theory

This gives rise to entirely new optical properties due to Bragg diffraction from the lattice planes of the opal.

2009 MSED/LANXESS Graduate Award in polymer science

XRD technique was used to ascertain a wide variety of structural information including; crystal interatomic spacing, Bragg diffraction angle, and crystallite size of the deposited films.

Impurity effects of cadmium ions on the fundamental absorption edge and structure of chemically prepared binary PbS films

More specifically, chapters discuss polarized light, electromagnetic waves in anisotropic materials, description of light propagation with rays, stratified birefringent media, space-grid time-domain techniques, organic optical materials, practical polarization optics with the microscope, optics of liquid crystal textures, refractive birefringent optics, diffractive optics with anisotropic materials, and Bragg diffraction.

Polarized light in liquid crystals and polymers

However, FHTM-12hM-PPS shows the characteristic of no crystalline Bragg diffraction and has only a broad amorphous diffraction.

Effects of ball milling dispersion of nano-Si[O.sub.x] particles on impact strength and crystallization behavior of nano-Si[O.sub.x]-poly(phenylene sulfide) nanocomposites

The arrays are brightly colored and act as diffraction gratings for white light according to the Bragg diffraction equation (4,5):

Noninvasive photonic-crystal material for sensing glucose in tears

The calculated function describes the scattered background and the position, shape and intensities of the Bragg diffraction peaks.

Multidataset refinement resonant diffraction, and magnetic structures

NanoVia's development adds dopants that allow laser initiation of small Bragg diffraction gratings, which act as a simple bar code.

Laser-coded fibers tag explosives. (Lasers & Optics)

Part of the emitted x-ray flux undergoes Bragg diffraction and those x rays of the proper wavelength are focused to a line, which is occupied by the entrance of a proportional counter.

High count rate electron probe microanalysis

The DDC relies on a Bragg diffraction grating in the core of a conventional piece of optical fiber whose properties are tuned with distributed thin film microheaters formed directly on the fiber surface.