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physics.optics2026
Structured Ytterbium and Erbium -doped Silica Fiber for Dual Wavelength Laser Operation
Ivo Barton, Pavel Peterka, Martin Grabner +9
We report on a novel type of dual-wavelength fiber laser with a structured-core design inside silica glass, forming a spatial separation of the several core areas doped with ytterb…
physics.optics2026
7-Rod-Core Thulium-Doped Fiber for Enhanced Fiber Laser Cooling
Ivo Bartoň, Jan Aubrecht, Bara Švejkarová +7
Structured-core thulium-doped fibers were developed to reduce heat load, enable shorter-wavelength operation, and achieve a pedestal-free design. In a proof-of-principle experiment…