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<p>This study presents a method for fabricating optical filters on the end facet of an optical fiber by depositing multilayer coatings of linear carbon stabilized with silver nanoparticles. A semi-automated film deposition setup is proposed, utilizing a droplet deposition technique for water-based colloidal systems. The transmission spectra of filters with 10, 20, and 30 layers are measured. The results demonstrate that the transmission spectrum narrows as the number of layers increases, with the central spectral region shifting toward a wavelength of 1100&#xa0;nm. The study demonstrates a fast and technically feasible approach for fabricating optical notch filters on the optical fiber end facet.</p>

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Formation of an optical rejection filter at the optical fiber end facet during the deposition of quasi-ordered C-Ag films

  • 期刊论文

  • 发表日期：

    2025年9月30日

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  • Alexey Kucherik,
  • Anton Osipov,
  • Vlad Samyshkin,
  • Andrey Abramov,
  • Roman Ponomarev,
  • Anastasia Gordeeva

摘要

This study presents a method for fabricating optical filters on the end facet of an optical fiber by depositing multilayer coatings of linear carbon stabilized with silver nanoparticles. A semi-automated film deposition setup is proposed, utilizing a droplet deposition technique for water-based colloidal systems. The transmission spectra of filters with 10, 20, and 30 layers are measured. The results demonstrate that the transmission spectrum narrows as the number of layers increases, with the central spectral region shifting toward a wavelength of 1100 nm. The study demonstrates a fast and technically feasible approach for fabricating optical notch filters on the optical fiber end facet.