Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Omar Ziane"'
Publikováno v:
Optical Materials
Optical Materials, Elsevier, 2020, 104, pp.109932. ⟨10.1016/j.optmat.2020.109932⟩
Optical Materials, 2020, 104, pp.109932. ⟨10.1016/j.optmat.2020.109932⟩
Optical Materials, Elsevier, 2020, 104, pp.109932. ⟨10.1016/j.optmat.2020.109932⟩
Optical Materials, 2020, 104, pp.109932. ⟨10.1016/j.optmat.2020.109932⟩
International audience; Cubic α-NaYF4 nanometer-sized crystals doped with Eu3+, Tb3+, Yb3+-Eu3+ or Yb3+-Tb3+ were synthesized by an original coprecipitation route. The obtained nanoparticles exhibited primary particles showing cubic shape with sizes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47fe41069d281c373f62ee875f206244
https://hal.archives-ouvertes.fr/hal-02991774/document
https://hal.archives-ouvertes.fr/hal-02991774/document
Publikováno v:
Materials Research Bulletin
Materials Research Bulletin, Elsevier, 2020, 125, pp.110809. ⟨10.1016/j.materresbull.2020.110809⟩
Materials Research Bulletin, 2020, 125, pp.110809. ⟨10.1016/j.materresbull.2020.110809⟩
Materials Research Bulletin, Elsevier, 2020, 125, pp.110809. ⟨10.1016/j.materresbull.2020.110809⟩
Materials Research Bulletin, 2020, 125, pp.110809. ⟨10.1016/j.materresbull.2020.110809⟩
International audience; Pure hexagonal β-NaGdF 4 and Eu 3+ or Pr 3+-doped β-NaGdF 4 nanocrystals in shape of nanorods of ∼140 nm of length have been synthesized using a simple and rapid coprecipitation method. XRD analysis evidenced pure single p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7beadc318604c3d1846b9f67fbe22ce
https://hal.archives-ouvertes.fr/hal-02991767/file/Youcef-MRB-N.pdf
https://hal.archives-ouvertes.fr/hal-02991767/file/Youcef-MRB-N.pdf
Publikováno v:
Optik. 154:811-820
We numerically demonstrate mid-infrared supercontinuum generation in dispersion-engineered chalcogenide glass channel waveguide. The proposed ridge waveguide consists of arsenic pentasulfide (As2S5) strip deposited on magnesium fluoride (MgF2) substr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f65f599411707919573175438b4a687
https://doi.org/10.1016/j.ijleo.2017.10.135
https://doi.org/10.1016/j.ijleo.2017.10.135
Publikováno v:
Nanophotonics
Nanophotonics, 2019, 8 (6), pp.1051-1061. ⟨10.1515/nanoph-2019-0071⟩
Nanophotonics, Walter de Gruyter, 2019, 8 (6), pp.1051-1061. ⟨10.1515/nanoph-2019-0071⟩
Nanophotonics, Vol 8, Iss 6, Pp 1051-1061 (2019)
Nanophotonics, 2019, 8 (6), pp.1051-1061. ⟨10.1515/nanoph-2019-0071⟩
Nanophotonics, Walter de Gruyter, 2019, 8 (6), pp.1051-1061. ⟨10.1515/nanoph-2019-0071⟩
Nanophotonics, Vol 8, Iss 6, Pp 1051-1061 (2019)
Diffractive approaches are needed when refractive microlenses reach their focusing limit at the micron-scale in visible light. Previously, we have reported on micron-sized optical lenses based on the diffraction of metallic nanowires. Here, we extend
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab48cf7099d7cdb80082c84f0e46172a
https://hal.science/hal-02406457/document
https://hal.science/hal-02406457/document
Publikováno v:
Chinese Optics Letters
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=r3c4b2081b22::34344792505d63ae928934983ac1c8b3
Publikováno v:
Optik. 126:5718-5724
A new design of large mode area (LMA) circular lattice photonic crystal fiber (CL-PCF) is proposed and numerically investigated. The cladding is formed by six rings of air holes arranged in circular configuration and the core is obtained by only omit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3a6389c31bf07f43edfb4f41b16c0bb
https://doi.org/10.1016/j.ijleo.2015.09.035
https://doi.org/10.1016/j.ijleo.2015.09.035
Publikováno v:
Optik. 126:2269-2274
In this article, a solid core photonic crystal fibre (PCF) with square air holes is proposed and numerically analysed. The confinement loss, the chromatic dispersion and the birefringence are calculated for both triangular and square lattices by usin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5798e8877641fdd18ade93c9ee5cce0f
https://doi.org/10.1016/j.ijleo.2015.05.119
https://doi.org/10.1016/j.ijleo.2015.05.119
Publikováno v:
Photonics and Nanostructures - Fundamentals and Applications. 16:43-50
In this paper, we present and numerically investigate a new and simple design of Circular Lattice Photonic Crystal Fiber (CL-PCF) with near zero ultra-flattened chromatic dispersion. The near zero dispersion is obtained by introducing a defect into t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::252926cb4852b5231c6a78d9e77df446
https://doi.org/10.1016/j.photonics.2015.08.004
https://doi.org/10.1016/j.photonics.2015.08.004
Publikováno v:
Optics & Laser Technology. 42:439-446
The aim of this work is to show that the output from a double-output laser cavity exhibits distinctive features, manifesting themselves through typical asymmetry in the corresponding spectral-line shapes. Such asymmetry in an inhomogeneously broadene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c663172d0fb63de90d6c0bc5e42fea82
https://doi.org/10.1016/j.optlastec.2009.08.010
https://doi.org/10.1016/j.optlastec.2009.08.010
Publikováno v:
Optics Communications
Optics Communications, 2008, 281, pp.696-704
Optics Communications, Elsevier, 2008, 281, pp.696-704
Optics Communications, 2008, 281, pp.696-704
Optics Communications, Elsevier, 2008, 281, pp.696-704
International audience; We have modelled a continuously pumped Nd:YAG actively Q-switched by a variable interferometric mirror made up of a scanning Michelson or Fabry–Pérot mirror. We have characterised the three-mirror laser dynamics by using a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0dde750b661eb50604d4de8ba0f1ce69
https://doi.org/10.1016/j.optcom.2007.10.038
https://doi.org/10.1016/j.optcom.2007.10.038