Thulium channel waveguide laser in a monoclinic double tungstate with 70% slope efficiency.
Identifieur interne : 000706 ( Main/Exploration ); précédent : 000705; suivant : 000707Thulium channel waveguide laser in a monoclinic double tungstate with 70% slope efficiency.
Auteurs : K. Van Dalfsen [Pays-Bas] ; S. Aravazhi ; C. Grivas ; S M García-Blanco ; M. PollnauSource :
- Optics letters [ 1539-4794 ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Thulium, Tungsten Compounds.
- Absorption, Lasers.
Abstract
Laser experiments were performed on buried, ridge-type channel waveguides in an 8 at. % thulium-doped, yttrium-gadolinium-lutetium codoped monoclinic double tungstate. A maximum slope efficiency of 70% and output powers up to 300 mW about 2.0 μm were obtained in a mirrorless laser resonator, by pumping with a Ti:sapphire laser near 800 nm. To the best of our knowledge, this result represents the most efficient 2 μm channel waveguide laser to date. Lasing is obtained at various wavelengths between 1810 nm and 2037 nm.
PubMed: 22378427
Affiliations:
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Le document en format XML
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<front><div type="abstract" xml:lang="en">Laser experiments were performed on buried, ridge-type channel waveguides in an 8 at. % thulium-doped, yttrium-gadolinium-lutetium codoped monoclinic double tungstate. A maximum slope efficiency of 70% and output powers up to 300 mW about 2.0 μm were obtained in a mirrorless laser resonator, by pumping with a Ti:sapphire laser near 800 nm. To the best of our knowledge, this result represents the most efficient 2 μm channel waveguide laser to date. Lasing is obtained at various wavelengths between 1810 nm and 2037 nm.</div>
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