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  • In this paper we present a matrix laser writing device based on a demagnified projection of a micro-structure from a computer driven spatial light modulator. The device is capable of writing completely aperiodic micro-structures with resolution higher than 200 000 DPI. An optical system is combined with ultra high precision piezoelectric stages with an elementary step 4 nm. The device operates in a normal environment, which significantly decreases the costs compared to competitive technologies. Simultaneously, large areas can be exposed up to 100 cm2. The capabilities of the constructed device will be demonstrated on particular elements fabricated for real applications. The optical document security is the first interesting field, where the synthetic image holograms are often combined with sophisticated aperiodic micro-structures. The proposed technology can easily write simple micro-gratings creating the color and kinetic visual effects, but also the diffractive cryptograms, waveguide couplers, and other structures recently used in the field of optical security. A general beam shaping elements and special photonic micro-structures are another important applications which will be discussed in this paper.
  • In this paper we present a matrix laser writing device based on a demagnified projection of a micro-structure from a computer driven spatial light modulator. The device is capable of writing completely aperiodic micro-structures with resolution higher than 200 000 DPI. An optical system is combined with ultra high precision piezoelectric stages with an elementary step 4 nm. The device operates in a normal environment, which significantly decreases the costs compared to competitive technologies. Simultaneously, large areas can be exposed up to 100 cm2. The capabilities of the constructed device will be demonstrated on particular elements fabricated for real applications. The optical document security is the first interesting field, where the synthetic image holograms are often combined with sophisticated aperiodic micro-structures. The proposed technology can easily write simple micro-gratings creating the color and kinetic visual effects, but also the diffractive cryptograms, waveguide couplers, and other structures recently used in the field of optical security. A general beam shaping elements and special photonic micro-structures are another important applications which will be discussed in this paper. (en)
Title
  • Fabrication of synthetic diffractive elements using advanced matrix laser lithography
  • Fabrication of synthetic diffractive elements using advanced matrix laser lithography (en)
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  • Fabrication of synthetic diffractive elements using advanced matrix laser lithography
  • Fabrication of synthetic diffractive elements using advanced matrix laser lithography (en)
skos:notation
  • RIV/68407700:21340/12:00203805!RIV13-AV0-21340___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(KAN401220801)
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http://linked.open...aciTvurceVysledku
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  • 135996
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21340/12:00203805
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  • laser lithography; matrlix laser lithography; holographic security; photonic micro-structures (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [E4C776EAED0D]
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  • Fiala, Pavel
  • Škereň, Marek
  • Svoboda, Jakub
  • Květoň, Milan
http://bibframe.org/vocab/doi
  • 10.1088/1742-6596/415/1/012075
http://localhost/t...ganizacniJednotka
  • 21340
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