搜索结果: 1-12 共查到“光学工程 Diffraction”相关记录12条 . 查询时间(0.117 秒)
Routing of Deep-Subwavelength Optical Beams and Images without Refl ection and Diffraction Using Infi nitely Anisotropic Metamaterials
Deep-Subwavelength Optical Beams Images without nitely Anisotropic
2015/8/7
Many photonic structures, including waveguides, lenses, and photonic bandgap materials, benefi t greatly from the large index contrast provided by such media.
A low temperature X-ray single-crystal diffraction and polarised infra-red study of epidote
epidote low-temperature X-ray single-crystal diffraction polarised single crystal FTIR structurally incorporated water hydrogen bonding.
2014/5/20
The effects of low-temperature on the crystal structure of a natural epidote [Ca1.925 Fe0.745Al2.265Ti0.004Si3.037O12(OH), a=8.8924(7), b=5.6214(3), c=10.1547(6)Å and β= 115.396(8)° at room condi...
Bragg-Angle Diffraction in Slant Gratings Fabricated by Single-Beam Interference Lithography
Slant Grating Single-Beam Interference Lithography Bragg-Angle Diffraction
2013/1/30
A single-beam interference-lithography scheme is demonstrated for the fabrication of large-area slant gratings, which requires exposure of the photoresist thin film spin-coated on a glass plate with p...
A hard x-ray transmission microscope with 30 nm spatial resolution has been developed employing the third diffraction order of a zone plate objective. The microscope utilizes a capillary type condense...
On the Stability of Reconstruction of Irregularly Sampled Diffraction Fields
monochromatic light three-dimensional display ill-poseness
2011/4/21
This paper addresses the problem of reconstruction of a monochromatic light field from data points, irregularly distributed within a volume of interest. Such setting is relevant for a wide range of th...
Spectral Modification by Diffraction and Scattering
spectral changes diffraction and scattering roughness and incident
2011/4/21
Different effects induce spectral changes, for example, correlation of source fluctuations, propagation of light, random changes in optical properties of a medium, diffraction and scattering from obje...
Custom Hardware Processor to Compute a Figure of Merit for the Fit of X-Ray Diffraction Peaks
Custom Hardware Processor Compute a Figure of Merit for the Fit of X-Ray Diffraction Peaks
2009/9/4
A custom processor based on reconfigurable hardware technology is proposed in order to compute the figure of merit used to measure the quality of the fit of X-ray diffraction peaks. As the experimenta...
Application of Single and Dual Multilayer Optics for Powder X-Ray Diffraction
Single and Dual Multilayer Optics Powder X-Ray Diffraction
2009/9/4
The performance of parallel beam multilayer optics, including a parabolic multilayer Osmic MaxFlux GO-13N and a flat custom multilayer, was evaluated experimentally and compared to Bragg-Brentano and ...
Gaussian beam diffraction in inhomogeneous media of cylindrical symmetry
Gaussian beam diffraction paraxial complex geometrical optics inhomogeneous media of cylindrical symmetry
2011/5/9
The method of paraxial complex geometrical optics (PCGO) is presented, which describes
Gaussian beam (GB) diffraction in smoothly inhomogeneous media of cylindrical symmetry,
including fibers. PCGO ...
Plane Wave Diffraction by a Dielectric Loaded Open Parallel Thick Plate Waveguide
Diffraction dielectric waveguide
2009/7/28
A uniform asymptotic high-frequency solution for a two-dimensional diffraction problem of plane electromagnetic waves by a dielectric loaded open parallel thick plate waveguide is investigated rigorou...
Beam shaping based on intermediate zone diffraction of a micro-aperture
aperture diffraction beam shaping
2011/5/6
We analyze optical diffraction of a micro-aperture (slit or hole) in a metal screen in the intermediate zone and report its application for beam focusing and collimating in micro-optics. Both finite-d...
Diffraction properties of transmission binary blazed grating
binary blazed grating diffraction efficiency
2011/4/28
The properties of binary blazed grating were theoretically analyzed with finite-difference time-domain (FDTD) method. The diffraction efficiencies and diffraction angles of –1, 0, and +1 order for the...