Results 241 to 250 of about 161,238 (304)
Investigating insulin's role in regulating local aromatase in growth plate development. [PDF]
PLoS OneHu S +5 more
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Growth Plate Skeletal Stem Cells and Their Actions Within the Stem Cell Niche. [PDF]
Int J Mol SciCheng NK, Orikasa S, Ono N.
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Influence of articular incongruency on coronal alignment after surgical fixation of lateral tibial plateau fractures. [PDF]
BMC Musculoskelet DisordSim JA, Kim HS, Lee DK, Im DS, Lee BH.
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Bridging the gap between subduction dynamics and the long-term strength of the Sunda megathrust. [PDF]
Nat CommunCapitanio FA +6 more
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Mechanism and prevention of bed separation water hazards in karst coal mining areas of Northern Guizhou Province, China. [PDF]
Sci RepGao Z +5 more
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Transition towards plate tectonics tracked in the metamorphic signature of Neoarchean synmagmatic transpression. [PDF]
Nat CommunZibra I +4 more
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Journal of the Optical Society of America A, 2013
In this paper, we generalize the concept of classical spiral zone plates (SZPs) to fractional spiral zone plates (FSZPs). By using an SZP with a fractional topological charge and controlling the starting orientation, we can break down the symmetry of the focusing process to give orientation-selective anisotropic vortex foci. Numerical results show that
Lai, Wei +5 more
+6 more sources
In this paper, we generalize the concept of classical spiral zone plates (SZPs) to fractional spiral zone plates (FSZPs). By using an SZP with a fractional topological charge and controlling the starting orientation, we can break down the symmetry of the focusing process to give orientation-selective anisotropic vortex foci. Numerical results show that
Lai, Wei +5 more
+6 more sources
Journal of the Optical Society of America A, 2010
We present multifractal zone plates (MFZPs) as what is to our knowledge a new family of diffractive lenses whose structure is based on the combination of fractal zone plates (FZPs) of different orders. The typical result is a composite of two FZPs with the central one having a first-order focal length f surrounded by outer zones with a third-order ...
Fernando, Giménez +3 more
openaire +2 more sources
We present multifractal zone plates (MFZPs) as what is to our knowledge a new family of diffractive lenses whose structure is based on the combination of fractal zone plates (FZPs) of different orders. The typical result is a composite of two FZPs with the central one having a first-order focal length f surrounded by outer zones with a third-order ...
Fernando, Giménez +3 more
openaire +2 more sources
Optics Letters, 2003
Fractal zone plates (FZPs), i.e., zone plates with a fractal structure, are described. The focusing properties of this new type of zone plate are compared with those of conventional Fresnel zone plates. It is shown that the axial irradiance exhibited by the FZP has self-similarity properties that can be correlated to those of the diffracting aperture.
Genaro, Saavedra +2 more
openaire +2 more sources
Fractal zone plates (FZPs), i.e., zone plates with a fractal structure, are described. The focusing properties of this new type of zone plate are compared with those of conventional Fresnel zone plates. It is shown that the axial irradiance exhibited by the FZP has self-similarity properties that can be correlated to those of the diffracting aperture.
Genaro, Saavedra +2 more
openaire +2 more sources