Heat treatment and fiber drawing effect on the matrix structure and fluorescence lifetime of Er-and Tm-doped silica optical fibers

P Vařák, M Kamrádek, J Aubrecht… - Optical Materials …, 2024 - opg.optica.org
We investigate the influence of the optical fiber fabrication process on the fluorescence
lifetime of Er^ 3+ and Tm^ 3+ ions. Optical fiber preforms were prepared using the MCVD …

Doped and structured silica optical fibres for fibre laser sources

I Kasik, I Barton, M Kamradek, O Podrazky… - Optics …, 2025 - Elsevier
Specialty optical fibres, usually the silica-based ones doped with rare-earth ions, have been
heart of fibre amplifiers and lasers spread thanks to work of team of Sir David N. Payne …

Dual-wavelength fiber lasers based on active fibers with structured cores

P Peterka, I Bartoň, P Vařák, M Franzcyk… - Fiber Lasers XXI …, 2024 - spiedigitallibrary.org
Nanostructured or “pixelated” core fibers have attracted great attention thanks to possible
design of optical fibers with almost arbitrary refractive index profile, including gradient index …

[PDF][PDF] Nanoparticle-do** method for specialty optical fibers

M Kamrádek, I Kašík, J Aubrecht, P Vařák… - 10th International …, 2024 - researchgate.net
Fiber lasers are versatile sources which can offer precision as well as robustness for high-
power applications. Such lasers are usually built on active optical fibers doped with rare …