Femtosecond-laser-written Ho:KGd(WO 4 ) 2 waveguide laser at 21  μm

We report on efficient laser operation of the first holmium monoclinic double tungstate waveguide laser fabricated by femtosecond direct laser writing. A depressed-index buried channel waveguide with a 60 μm diameter circular cladding was inscribed in 5 at.% Ho :KGd(WO ) . It was characterized by co...

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Bibliographic Details
Published in:Optics letters 2019-04, Vol.44 (7), p.1738
Main Authors: Kifle, Esrom, Loiko, Pavel, Romero, Carolina, Rodríguez Vázquez de Aldana, Javier, Ródenas, Airán, Zakharov, Viktor, Veniaminov, Andrey, Aguiló, Magdalena, Díaz, Francesc, Griebner, Uwe, Petrov, Valentin, Mateos, Xavier
Format: Article
Language:English
Subjects:
Buried-channel waveguides
Cladding
Direct laser writing
Holmium
Lasers
Microscopes
Thulium
Wave propagation
Waveguide lasers
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