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Related Experiment Video

Updated: Jan 24, 2026

Immunostaining of Biocytin-filled and Processed Sections for Neurochemical Markers
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Uniform line fillings.

Evangelos Marakis1, Matthias C Velsink1, Lars J Corbijn van Willenswaard1

  • 1Complex Photonic Systems (COPS), MESA+ Institute for Nanotechnology, University of Twente, P. O. Box 217, 7500AE Enschede, The Netherlands.

Physical Review. E
|May 22, 2019
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel method for fabricating random metamaterials. This technique ensures homogeneous density and orientation of chords within any dimensional space, crucial for advanced material design.

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Area of Science:

  • Materials Science
  • Physics
  • Computational Geometry

Background:

  • Deterministic fabrication of random metamaterials is challenging.
  • Achieving homogeneous density and orientation of randomly positioned chords is nontrivial.

Purpose of the Study:

  • To present a method for generating space-filling random chords in any dimension.
  • To analyze the statistical properties of these random fillings.
  • To apply the method to optical metamaterial fabrication.

Main Methods:

  • Developing a generative algorithm for random chords.
  • Proving the homogeneity and rotational invariance of the generated fillings.
  • Analyzing density profiles, line-length distributions, and pore size distributions.
  • Applying the algorithm to direct-laser-writing fabrication designs.

Main Results:

  • The method generates random, on-average homogeneous, and rotationally invariant fillings.
  • Fillings are applicable to circles, balls, hyperballs, rectangles, and cuboids.
  • Pore sizes exhibit a lognormal distribution.
  • The algorithm is successfully applied to design 3D optical metamaterials.

Conclusions:

  • The presented method offers a robust approach for deterministic fabrication of random metamaterials.
  • The findings have implications for designing optical components and understanding random structures.
  • This work provides a foundation for creating complex, disordered materials with controlled properties.