Thin Film Optics Group
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  • Equipment
    • ISO-6 Clean-room deposition system
    • FUV-EUV reflectometer in an iso-8 clean room
    • Deposition chambers UHV-connected to the FUV-EUV reflectometer
    • Other HV chambers
    • NUV-NIR ellipsometer
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  • Coatings
    • Narrowband mirrors
      • Reflective band at the shortest far UV wavelength: 100 nm
      • Narrowband coatings in the ~120-200 nm spectral range with selection of peak wavelength and bandwidth
      • Narrowband coatings in the long extreme UV
    • Broadband mirrors
      • Al/MgF2
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      • Broadband EUV mirrors
    • Transmittance filters
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  • Coating design
    • Optical constants of materials
      • Lanthanides
      • Alkaline-earths
      • Carbon and neighbours
      • Fluorides
      • Oxides
      • Materials were measured in parts of the far and extreme UV with non self-consistent methods
    • Evaluation of optical constant consistency
    • Modified optical-constant models
    • New properties of optical constants
      • Local deconvolution
      • Analysis of Adachi procedure
    • New coating design: multi-material multilayers
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Coatings for improve FUV astrophysics observations

Coatings for improve FUV astrophysics observations

por Álvaro Ríos Fernández | Sep 29, 2021 | posters

Optimization of the deposition parameters of MgF2/LaF3 narrowband reflective FUV multilayers

por Álvaro Ríos Fernández | Sep 29, 2021 | articles-2021, Sin categoría

Paloma López-Reyes, Belén Perea-Abarca, Carlos Honrado-Benítez, Nuria Gutiérrez-Luna, Álvaro Ríos-Fernández, Luis V. Rodríguez-de Marcos, and Juan I. Larruquert Abstract The development of efficient dielectric coatings in the far UV (FUV) is demanded for upcoming...

Far UV-enhanced Al mirrors with Ti seed

por Álvaro Ríos Fernández | Sep 29, 2021 | articles-2021, Sin categoría

Juan I. Larruquert, Carlos Honrado-Benítez, Nuria Gutiérrez-Luna, Álvaro Ríos-Fernández, and Paloma López-Reyes Abstract A Ti seed film is investigated towards improving the far UV reflectance of Al/MgF2 mirrors. Samples were initially coated with a Ti film in half of...

Optical constants at complex energies: local deconvolution

por Álvaro Ríos Fernández | Jul 3, 2020 | articles-2020, Publications, Sin categoría

Juan I. Larruquert and Luis V. Rodríguez de Marcos Abstract Causality implies that the optical constants of any material continue in the upper complex plane of photon energies or wavelengths as an analytic function. This is the basis for Kramers-Kronig dispersion...

Entradas recientes

  • Coatings for improve FUV astrophysics observations
  • Optimization of the deposition parameters of MgF2/LaF3 narrowband reflective FUV multilayers
  • Far UV-enhanced Al mirrors with Ti seed
  • Why is Adachi procedure successful to avoid divergences in optical models?
  • Optical constants at complex energies: local deconvolution

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