Zobrazeno 1 - 10
of 232
pro vyhledávání: '"J.L. Doualan"'
Publikováno v:
Journal of Luminescence. 252:119336
Publikováno v:
2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Within Neodymium doped laser crystals, the doping of fluorite-type single crystals reveals an unique possibility for broadband, high-energy, short-pulse laser amplification at 1µm, which makes these materials appealing to various high energy laser a
Autor:
Julien Ari, Florent Starecki, Geoffrey Louvet, Radwan Chahal, Virginie Nazabal, Catherine Boussard-Plédel, Patrice Camy, Alain Braud, I. Hafienne, J.L. Doualan
Publikováno v:
Journal of Luminescence
Journal of Luminescence, Elsevier, 2020, 218, pp.116853. ⟨10.1016/j.jlumin.2019.116853⟩
Journal of Luminescence, 2020, 218, pp.116853. ⟨10.1016/j.jlumin.2019.116853⟩
Journal of Luminescence, Elsevier, 2020, 218, pp.116853. ⟨10.1016/j.jlumin.2019.116853⟩
Journal of Luminescence, 2020, 218, pp.116853. ⟨10.1016/j.jlumin.2019.116853⟩
International audience; We report on the mid-wave infrared (MWIR) and long-wave infrared (LWIR) emissions of a 1000 ppm Dy 3+ doped Ga 5 Ge 20 Sb 10 Se 65 chalcogenide fiber. Following a shortwave infrared (SWIR) optical pumping at 0.92, 1.12 and 1.3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e69fb76839b8a72a8b7fdf976e34d38
https://hal-univ-rennes1.archives-ouvertes.fr/hal-03100227
https://hal-univ-rennes1.archives-ouvertes.fr/hal-03100227
Publikováno v:
Optical Materials
Optical Materials, Elsevier, 2018, 79, pp.279-288. ⟨10.1016/j.optmat.2018.03.058⟩
Optical Materials, 2018, 79, pp.279-288. ⟨10.1016/j.optmat.2018.03.058⟩
Optical Materials, Elsevier, 2018, 79, pp.279-288. ⟨10.1016/j.optmat.2018.03.058⟩
Optical Materials, 2018, 79, pp.279-288. ⟨10.1016/j.optmat.2018.03.058⟩
International audience; We report here on a complete investigation of the excited-state absorption and fluorescence dynamics of $Er^{3+}$ doped $KY_{3}$$F_{10}$ single crystals versus dopant concentrations and optical excitation conditions. Radiative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e904db2aee89e89e730c7914d9dc3c9
https://hal.archives-ouvertes.fr/hal-01873053
https://hal.archives-ouvertes.fr/hal-01873053
Autor:
I. Hafienne, Alain Braud, J.L. Doualan, Florent Starecki, Virginie Nazabal, G. Louvet, Patrice Camy
Publikováno v:
Conference on Fiber Lasers and Glass Photonics-Materials through Applications
Conference on Fiber Lasers and Glass Photonics-Materials through Applications, Apr 2018, Strasbourg, France. ⟨10.1117/12.2314457⟩
Conference on Fiber Lasers and Glass Photonics-Materials through Applications, Apr 2018, Strasbourg, France. ⟨10.1117/12.2314457⟩
International audience; The 2-15 mu m spectral range hosts many optical sensing applications from biology to environmental monitoring, and infrared spectroscopy is a simple and reliable way to provide fast and in-situ analysis method. Rare-earth ion
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94ea2fe07500ff735fbf1dc0a5a03ff5
https://univ-rennes.hal.science/hal-01974851
https://univ-rennes.hal.science/hal-01974851
Autor:
Ya. Shpotyuk, Nora Abdellaoui, François Cheviré, J.L. Doualan, Florent Starecki, Petr Nemec, Emeline Baudet, Bruno Bureau, Alain Braud, Patrice Camy, Marc Dussauze, Catherine Boussard-Plédel, Virginie Nazabal
Publikováno v:
Optical Materials Express
Optical Materials Express, OSA pub, 2018, 8 (9), pp.2887-2900. ⟨10.1364/OME.8.002887⟩
Optical Materials Express, 2018, 8 (9), pp.2887-2900. ⟨10.1364/OME.8.002887⟩
Optical Materials Express, OSA pub, 2018, 8 (9), pp.2887-2900. ⟨10.1364/OME.8.002887⟩
Optical Materials Express, 2018, 8 (9), pp.2887-2900. ⟨10.1364/OME.8.002887⟩
International audience; Chalcogenide glasses with a nominal composition of Ga5Ge20Sb10Se65-xTex (x = 0, 10, 20, 25, 30, 32.5, 35, 37.5) were synthesized. Their physico-chemical properties, glass network structure and optical properties are clearly mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d01d4d1848699fddd16ae8c684d6c07
https://hal-univ-rennes1.archives-ouvertes.fr/hal-01879773
https://hal-univ-rennes1.archives-ouvertes.fr/hal-01879773
Autor:
M. Sahli, Abdelmjid Benayad, Ammar Hideur, Gurvan Brasse, Richard Moncorgé, Aleksey Tyazhev, Patrice Camy, Alain Braud, Rémi Soulard, J.L. Doualan
Publikováno v:
Optical Materials
Optical Materials, Elsevier, 2017, 72, pp.578-582. ⟨10.1016/j.optmat.2017.06.050⟩
Optical Materials, 2017, 72, pp.578-582. ⟨10.1016/j.optmat.2017.06.050⟩
Optical Materials, Elsevier, 2017, 72, pp.578-582. ⟨10.1016/j.optmat.2017.06.050⟩
Optical Materials, 2017, 72, pp.578-582. ⟨10.1016/j.optmat.2017.06.050⟩
We report the first laser operation of an Yb:Tm:CaF 2 crystal around 1.9 μm after pumping at 980 nm. A maximum power of 140 mW was obtained corresponding to a slope efficiency of 14.5% with respect to the incident pump power. The spectroscopic study
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2ffa495f6067aac2e628b96be39b628
https://hal-normandie-univ.archives-ouvertes.fr/hal-01657586
https://hal-normandie-univ.archives-ouvertes.fr/hal-01657586
Autor:
J.L. Doualan, C. Bouquet, F. Picart, S. Normani, L. Lacampagne, Sébastien Montant, Patrice Camy, Diane Stoffel, J-P. Goossens, Rémi Soulard, T. Bart, Alain Braud
Publikováno v:
Scopus-Elsevier
In this paper we study Nd,Lu :CaF2 crystals which could be a serious alternative to the Nd-doped laser glasses, which are presently being used as amplifiers in high energy laser facilities, for high repetition rate applications.
Publikováno v:
Laser Congress 2017 (ASSL, LAC).
Results of a full spectroscopic analysis (emission, ground- and excited absorption spectra, lifetimes and branching ratios) are reported here to evaluate the laser potential of Er:CaF2, Er:KY3F10, Er:LiYF4, Er:ZBLAN and Er:ZBLALiP around 3.5 µm.
Autor:
J.L. Doualan, Jean-Luc Adam, Virginie Nazabal, Loïc Bodiou, Petr Němec, Florent Starecki, Hervé Lhermite, Marie-Laure Anne, Joël Charrier, Patrice Camy
Publikováno v:
Optical Materials
Optical Materials, 2016, 58, pp.390--397. ⟨10.1016/j.optmat.2016.06.009⟩
Optical Materials, Elsevier, 2016, 58, pp.390--397. ⟨10.1016/j.optmat.2016.06.009⟩
Optical Materials, 2016, 58, pp.390--397. ⟨10.1016/j.optmat.2016.06.009⟩
Optical Materials, Elsevier, 2016, 58, pp.390--397. ⟨10.1016/j.optmat.2016.06.009⟩
This paper reports the fabrication of luminescent optical rib/ridge waveguides made of erbium doped Ga-Ge-Sb-S films deposited by RF magnetron sputtering. Several fluorescence emissions of Er 3+ ions from the visible to the middle infrared spectral d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8b36ffddfbf95539d8519fb3cb37ae3
https://univ-rennes.hal.science/hal-01334053
https://univ-rennes.hal.science/hal-01334053