Micro-pulling-down grown Tm,Ho:GSAG crystal as laser gain medium

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00643577" target="_blank" >RIV/68378271:_____/25:00643577 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21340/25:00388405

Výsledek na webu

<a href="https://hdl.handle.net/11104/0373457" target="_blank" >https://hdl.handle.net/11104/0373457</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1088/1742-6596/3157/1/012015" target="_blank" >10.1088/1742-6596/3157/1/012015</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Micro-pulling-down grown Tm,Ho:GSAG crystal as laser gain medium

Popis výsledku v původním jazyce

We report on the spectroscopic and laser properties of a Tm,Ho:GSAG (gadolinium scandium aluminium garnet) crystal which was grown by the micro-pullingdown (μ-PD) method. The crystal, doped with 4 at.% of Tm3+ and 0.75 at.% of Ho3+, was characterized under diode pumping at 782 nm and 1688 nm, corresponding to both possible thulium excitation schemes. In the pulsed regime, slope efficiencies up to 27.8% (with 1688 nm pumping) were achieved, with maximum output power up to 170 mW. Continuous-wave lasing at 2.1 μm was also demonstrated for this pumping, reaching 151 mW output power with a slope efficiency of 12%. Using a birefringent filter, a broad tuning range of up to 138 nm was obtained. These findings confirm μ-PD grown Tm,Ho:GSAG as a promising gain medium for compact, efficient, and tunable solid-state lasers emitting radiation around 2.1 μm.

Název v anglickém jazyce

Micro-pulling-down grown Tm,Ho:GSAG crystal as laser gain medium

Popis výsledku anglicky

We report on the spectroscopic and laser properties of a Tm,Ho:GSAG (gadolinium scandium aluminium garnet) crystal which was grown by the micro-pullingdown (μ-PD) method. The crystal, doped with 4 at.% of Tm3+ and 0.75 at.% of Ho3+, was characterized under diode pumping at 782 nm and 1688 nm, corresponding to both possible thulium excitation schemes. In the pulsed regime, slope efficiencies up to 27.8% (with 1688 nm pumping) were achieved, with maximum output power up to 170 mW. Continuous-wave lasing at 2.1 μm was also demonstrated for this pumping, reaching 151 mW output power with a slope efficiency of 12%. Using a birefringent filter, a broad tuning range of up to 138 nm was obtained. These findings confirm μ-PD grown Tm,Ho:GSAG as a promising gain medium for compact, efficient, and tunable solid-state lasers emitting radiation around 2.1 μm.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

<a href="/cs/project/EH23_020%2F0008525" target="_blank" >EH23_020/0008525: Inovativní laserové a scintilační materiály pro moderní aplikace</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Journal of Physics: Conference Series

ISBN

—

ISSN

1742-6588

e-ISSN

1742-6596

Počet stran výsledku

12

Strana od-do

"Roč. 3157"

Název nakladatele

IoP Science

Místo vydání

Bristol

Místo konání akce

Pavlov

Datum konání akce

8. 9. 2025

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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