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  • 2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference
  • OSA Technical Digest (Optica Publishing Group, 2019),
  • paper cm_6_2

Direct Laser Writing by 4Pi Multiphoton Polymerization

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Abstract

Multiphoton polymerization (MPP) is a versatile tool allowing fabrication of three-dimensional microstructures with a resolution of hundreds of nanometers for lateral resolution. However, axial resolution is at least 3 times larger than the transverse dimension. This anisotropy in horizontal and vertical resolutions limits the size and geometry of the structures. Focal spot having 1:1 aspect ratio could significantly enhance the final resolution of the fabricated structures for some applications (e.g. photonics) where the voxel axial resolution, and not the transversal feature size is the limiting factor.

© 2019 IEEE

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