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NanoCrystals in Fibre Lasers

Deliverables

Report of Kick-Off Meeting M1

Report of Kick-Off Meeting M1, Agenda and presentations

First FBGs for fibre laser

Writing of Bragg gratingsInvestigation of glass photosensitivity for different wavelengths 266 400 800 nm and pulse durations fs nsModelling of fibreBragggrating FBG inscription process FBG inscription and characterizationWriting of FBGs in thin films and fibres

Quantitative spectroscopy of Pr:yttria

Micro-structuring of thin films -Development of a suitable micro-structuring procedure for thin films-Measurement of propagation losses in channel waveguides

Report on optimization of melting point and NC characterization

Report on optimization of melting point and NC characterization: NCs structural & spectroscopic characterization Fabrication of doped-core/undoped-shell NCs

Final Project Review M60 - meeting documents

Final Project Review M60 - meeting documents. Agenda and presentations. Partially confidential (related to exploitation). Contains also the updated dissemination and exploitation plan.

Report on glass fabrication and powderization with NCs

Glass fabrication and powderisationDetermination and adjustment of the refractive index for NCsGlass fabrication and powderisationInvestigation of glass nanopowder by TEM EDX EELS WDX XRD SEMEvaluation of refractive index and thermochemical properties of active NCsInvestigations on the spectral and fluorescence properties of NCs in the matrix glass

Report on matrix glass
Report on adjustment of the refractive index of glass for fibre cladding

Refractive index depression by composition variation starting from the matrix glassDetermination and adjustment thermochemical properties

Mass production of active NCs

Fabrication of doped-core/undoped-shell NCs:-Coating with a protective shell made from the same or a different material as the core NCs to encapsulate surface ions and prevent luminescence quenching, modification of phonon interactions with glass matrix

Report of Project Symposium within or co-located with a suitable conference
Report on NCs synthesis optimization. Choice of one or various synthesis procedures

Synthesis of actively doped NCs: - Development of soft-chemistry methods for RE:yttria and ball-milling procedure for Ti:sapphire NCs - Analysis of the dependence of NCs size and shape on synthesis method and relevant parameters - Modification of active ion concentration and distribution

Updated ethics

Ethics post-grant requirements addressed by the consortium: The consortium will comply with them accordingly. Further information about the possible harm to the environment caused by the research and the measures that will be taken to mitigate the risks will be provided performing risk assessment. The risk assessment will be conducted using one of the following tools (free of charge): - The Stoffenmanager 7 (https://stoffenmanager.nl/) - The Swiss Precautionary Matrix (https://www.bag.admin.ch/bag/en/home/gesund-leben/umwelt-undgesundheit/ chemikalien/nanotechnologie/sicherer-umgang-mit-nanomaterialien/vorsorgerasternanomaterialien- webanwendung.html) - The SUNDS - Decision support system for risk management of engineered nanomaterials and nanoenabled products (https://sunds.gd/) The results from the risk assessment tool will be sent to REA including a thorough analysis and risk mitigation plan. The interpretation will contain information to a potential release of nanomaterials to the environment and disposal scenarios for the nanomaterials (disposal? recycling? landfill?).

Project video

Project image video for dissemination purposes, presentations and website

Website and logo

The PR department of coordinator Leibniz-IPHT will create a project logo and provide a project website www.nclas-fetopen.eu for dissemination of the EU project results to the public and broader audience. Also included will be an internal protected section for project partners and EC to share project data and files.

Publications

Photoluminescence and Raman study of the high-pressure behavior of monoclinic (Eu1-Yb )2O3 solid solution

Author(s): M.T. Candela; F. Aguado; J.A. González; R. Valiente
Published in: Crossref, Issue 5, 2023, Page(s) Volume 967, 10 December 2023, 171621, ISSN 0925-8388
Publisher: Elsevier BV
DOI: 10.1016/j.jallcom.2023.171621

Modification of the spectroscopic properties of Tb2O3 phosphor under the high-pressure phase transitions sequence

Author(s): Marina T. Candela; Fernando Aguado; J. González-Lavín; Jesús González; Rafael Valiente
Published in: Journal of Alloys and Compounds, Issue 859, 2021, ISSN 0925-8388
Publisher: Elsevier BV
DOI: 10.1016/j.jallcom.2020.157899

Non-resonant energy transfer from Eu3+ to Yb3+ in C-type and B-type (Eu1-xYbx)2O3 nanocrystals

Author(s): M. T. Candela, F. Aguado, A. Diego-Rucabado, J. A. González and R. Valiente Journal of Alloys and Compounds 921 (2022) 166043
Published in: Journal of Alloys and Compounds, Issue Volume 921, 15 November 2022, 166043, 2022, ISSN 0925-8388
Publisher: Elsevier BV
DOI: 10.1016/j.jallcom.2022.166043

Upconversion and Optical Nanothermometry in LaGdO 3 : Er 3+ Nanocrystals in the RT to 900 K Range

Author(s): Vanessa Gutiérrez-Cano, Fernando Rodríguez, Jesús A. González, Rafael Valiente
Published in: The Journal of Physical Chemistry C, Issue 123/49, 2019, Page(s) 29818-29828, ISSN 1932-7447
Publisher: American Chemical Society
DOI: 10.1021/acs.jpcc.9b06959

Pr3+-doped Y2O3 nanocrystals embedded in Y2O3 thin films as a sandwich-like structure prepared by pulsed laser deposition

Author(s): Andrea Diego-Rucabado, Alfredo Segura, Fernando Aguado, Markus Pollnau, Rafael Valientea, Rosa Martín-Rodríguez, Israel Cano
Published in: Journal of Luminescence, Issue Volume 252, December 2022, 119378, 2023, ISSN 0022-2313
Publisher: Elsevier BV
DOI: 10.1016/j.jlumin.2022.119378

A Comparative Study on Luminescence Properties of Y2O3: Pr3+ Nanocrystals Prepared by Different Synthesis Methods

Author(s): Andrea Diego-Rucabado, Marina T. Candela, Fernando Aguado, Jesús González, Fernando Rodríguez, Rafael Valiente, Rosa Martín-Rodríguez, Israel Cano
Published in: Nanomaterials, Issue 10/8, 2020, Page(s) 1574, ISSN 2079-4991
Publisher: MDPI
DOI: 10.3390/nano10081574

Investigation of the TeO2/GeO2 Ratio on the Spectroscopic Properties of Eu3+-Doped Oxide Glasses for Optical Fiber Application

Author(s): Magdalena Lesniak; Jakub Zeid; Bartłomiej Starzyk; Marcin Kochanowicz; Marta Kuwik; Jacek Zmojda; Piotr Miluski; Agata Baranowska; Jan Dorosz; Wojciech Pisarski; Joanna Pisarska; Dominik Dorosz
Published in: Materials; Volume 15; Issue 1; Pages: 117, Issue 3, 2022, Page(s) 2-23, ISSN 1996-1944
Publisher: MDPI Open Access Publishing
DOI: 10.3390/ma15010117

Reversible Tuning of Ca Nanoparticles Embedded in a Superionic CaF 2 Matrix

Author(s): J. Ruiz-Fuertes, J. Ibáñez, V. Monteseguro, I. Alencar, C. Cazorla
Published in: The Journal of Physical Chemistry C, Issue 123/32, 2019, Page(s) 19945-19951, ISSN 1932-7447
Publisher: American Chemical Society
DOI: 10.1021/acs.jpcc.9b04791

Nanocrystal-doped fibres using glass powder doping – towards new laser transitions in fibre lasers

Author(s): Matthias Jäger1, Martin Lorenz1, Robert Müller1, Jens Kobelke1, Katrin Wondraczek1, Rafael Valiente2, Andrea Diego-Rucabado2, Israel Cano2, Fernando Aguado2, Jürgen Gluch3, Isabel Kinski4, Dominik Dorosz5, Marcin Kochanowicz6 1. Leibniz Institute of Photonic Technology, Albert-Einstein-Str. 9, 07745 Jena, Germany 2. University of Cantabria, Avenida. de los Castros 48. 39005 Santander, Spai
Published in: 2021
Publisher: CLEO/EUROPE-EQEC 2021, 21 – 25 JUNE 2021

High Pressure optical nanothermometer based on Er3+ photoluminescence

Author(s): V Gutiérrez-Cano, R Valiente, J A González and F Rodríguez
Published in: Journal of Physics: Conference Series, Issue 1609 (2020) 012004, 2020
Publisher: Institute of Physics Publishing
DOI: 10.1088/1742-6596/1609/1/012004

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