Broadly tunable continuous-wave Tm,Ho:SrF2 and Tm,Ho:BaF2 lasers

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F24%3A00377852" target="_blank" >RIV/68407700:21340/24:00377852 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1364/OL.532598" target="_blank" >https://doi.org/10.1364/OL.532598</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1364/OL.532598" target="_blank" >10.1364/OL.532598</a>

Result language
angličtina
Original language name
Broadly tunable continuous-wave Tm,Ho:SrF2 and Tm,Ho:BaF2 lasers
Original language description
We report on the first, to our knowledge, room-temperature continuous-wave laser operation of Tm3+,Ho3+-codoped barium and strontium fluoride crystals at ~2.1 µm. The 3 at.% Tm, 0.5 at.% Ho:BaF2 laser generated 160 mW at 2073 nm with a slope efficiency of 31.0% and a laser threshold of 43 mW. The continuous wavelength tuning of this laser from 2010 to 2090 nm (tuning range, 80 nm) was demonstrated. The spectroscopic properties of Tm,Ho:SrF2 and Tm,Ho:BaF2 crystals were also determined, showing enhanced Tm3+ -> Ho3+ energy transfer in rare-earth clusters. For Ho3+ ions in BaF2, the stimulated-emission cross section is 0.40 x 10-20 cm2 at 2044 nm, and the thermal equilibrium luminescence lifetime is as long as 14.1 ms.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10306 - Optics (including laser optics and quantum optics)

Project
<a href="/en/project/EF16_019%2F0000778" target="_blank" >EF16_019/0000778: Center for advanced applied science</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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