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Optical properties of nanocrystalline (Ho0,05Y0,95)(2)Ti2O7 for optical amplifiers

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    0472975 - ÚFE 2017 RIV US eng C - Conference Paper (international conference)
    Vytykáčová, Soňa - Mrázek, Jan - Proboštová, Jana - Kašík, Ivan
    Optical properties of nanocrystalline (Ho0,05Y0,95)(2)Ti2O7 for optical amplifiers.
    PHOTONIC CRYSTAL MATERIALS AND DEVICES XII. Vol. 9885. Bellingham: SPIE, 2016 - (Lozano, G.), č. článku 98851F. ISBN 978-1-5106-0130-7. ISSN 0277-786X.
    [Conference on Photonic Crystal Materials and Devices XII. Brussels (BE), 05.04.2016-07.04.2016]
    R&D Projects: GA ČR(CZ) GA14-35256S
    Institutional support: RVO:67985882
    Keywords : nanocrystals * refractive index * titanates
    Subject RIV: BH - Optics, Masers, Lasers

    In this contribution we present a versatile sol-gel approach to highly transparent nanocrystalline thin films of (Ho0,05Y0,95)(2)Ti2O7. We focused on their optical properties and relation between the processing parameters, their structure, and resulting optical properties. Highly transparent and homogenous thin films have been prepared onto planar silica substrates. Coated films were thermally treated to temperatures ranging from 700 to 900 degrees C. The effect of the structure on the optical properties of prepared films were evaluated. The thickness of prepared layers ranged from 500 to 600 nm and the mean size of nanocrystals ranged around 25 nm in dependence on the processing conditions. Refractive index of prepared films ranged from the value 1.8 up to 2.2. High optical transparency of prepared films along with the ability to tailor the refractive index makes the films to be a suitable material for the construction of planar optical devices
    Permanent Link: http://hdl.handle.net/11104/0270155

     
     
Number of the records: 1