Transparent Ceramic Films for Short- and Mid- Infrared Lasers

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985882%3A_____%2F23%3A00583902" target="_blank" >RIV/67985882:_____/23:00583902 - isvavai.cz</a>

Výsledek na webu

<a href="https://ieeexplore.ieee.org/document/10207182" target="_blank" >https://ieeexplore.ieee.org/document/10207182</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1109/ICTON59386.2023.10207182" target="_blank" >10.1109/ICTON59386.2023.10207182</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Transparent Ceramic Films for Short- and Mid- Infrared Lasers

Popis výsledku v původním jazyce

Fiber laser power has increased significantly over the past two decades, reaching hundreds of kilowatts. However, the limited thermal stability or high phonon energy of conventional glass materials limits the maximum generated power and the working spectral range of the lasers. Transparent ceramic materials represent a promising alternative to the conventional glass. In this contribution we demonstrate laser-assisted processing of highly transparent nanocrystalline (Ho0.05Y0.95)2Ti2O7 films and microstructure emitting in short- and mid-infrared. The films were prepared by a sol-gel method followed by a radiation thermal treatment. To promote the crystallization, the densified films were irradiated by a continuous CO2 laser. The refractive index of the nanocrystalline film was 2.18. The nanocrystalline film exhibited a strong luminescence at 2000 nm and a minor emission at 2900 nm. A micrometric pattern was prepared by a direct laser writing followed by a wet chemical etching. The elaborated approach can be used to prepare transparent luminescence films with tailored optical properties and together with direct laser writing can be used to prepare integrated optical components. Increasing the dimensions of the prepared structures followed by the delamination out of the substrate can be used to prepare transparent ceramic optical fibers

Název v anglickém jazyce

Transparent Ceramic Films for Short- and Mid- Infrared Lasers

Popis výsledku anglicky

Fiber laser power has increased significantly over the past two decades, reaching hundreds of kilowatts. However, the limited thermal stability or high phonon energy of conventional glass materials limits the maximum generated power and the working spectral range of the lasers. Transparent ceramic materials represent a promising alternative to the conventional glass. In this contribution we demonstrate laser-assisted processing of highly transparent nanocrystalline (Ho0.05Y0.95)2Ti2O7 films and microstructure emitting in short- and mid-infrared. The films were prepared by a sol-gel method followed by a radiation thermal treatment. To promote the crystallization, the densified films were irradiated by a continuous CO2 laser. The refractive index of the nanocrystalline film was 2.18. The nanocrystalline film exhibited a strong luminescence at 2000 nm and a minor emission at 2900 nm. A micrometric pattern was prepared by a direct laser writing followed by a wet chemical etching. The elaborated approach can be used to prepare transparent luminescence films with tailored optical properties and together with direct laser writing can be used to prepare integrated optical components. Increasing the dimensions of the prepared structures followed by the delamination out of the substrate can be used to prepare transparent ceramic optical fibers

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

<a href="/cs/project/GA22-14200S" target="_blank" >GA22-14200S: Luminofory z transparentní keramiky s nízkou fononovou energií emitující v krátké a střední infračervené oblasti</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název statě ve sborníku

23rd International Conference on Transparent Optical Networks, ICTON 2023

ISBN

979-835030303-2

ISSN

2162-7339

e-ISSN

—

Počet stran výsledku

4

Strana od-do

Mo.C6.2

Název nakladatele

IEEE

Místo vydání

Varšava

Místo konání akce

Bukurešť

Datum konání akce

2. 7. 2024

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—