Skip to main content
main-content

Tipp

Weitere Artikel dieser Ausgabe durch Wischen aufrufen

17.10.2016 | Original Paper: Sol-gel and hybrid materials for optical, photonic and optoelectronic applications | Ausgabe 3/2017

Journal of Sol-Gel Science and Technology 3/2017

Preparation of Bragg mirrors on silica optical fibers and inner walls of silica capillaries by employing the sol–gel method, and titanium and silicon alkoxides

Zeitschrift:
Journal of Sol-Gel Science and Technology > Ausgabe 3/2017
Autoren:
Ivo Barton, Vlastimil Matejec, Jan Mrazek, Ondrej Podrazky, Josef Matousek

Abstract

The paper presents results on sol–gel preparation and characterization of multilayered coatings, Bragg mirrors, on silica slides, silica fibers, and inner walls of silica capillaries. In the coatings titania was employed for high-index layers and silica for low-index ones. Coatings with up to three pairs of titania and silica layers have been fabricated from alkoxide input sols. A sol based on tetramethylorthosilicate with RW = 1.75 and tetramethylorthosilicate concentration of 2 mol/l for used for silica layers. A sol of titanium butoxide with RW and alkoxide concentration of 1.58 and 0.315 mol/l, respectively, was employed for titania layers. Modified dip-coating techniques have been developed for the application of gel layers from the sols onto fibers or inside silica capillaries. Single gel layers were dried at 200 °C, final coatings were heat-treated at 450 °C. Relative velocities of substrates and sols have been controlled to obtain layers with an optical thickness of about 140 nm. Prepared single layers have been characterized by measuring their thicknesses by optical profilometry and refractive indices of titania layers by spectral ellipsometry. Homogeneity and appearance of multilayered coatings have been characterized by scanning electron microscopy and morphology of coatings by X-ray spectrometry. Optical properties of coatings on silica slides have been determined from their UV–VIS-NIR transmission and reflection spectra. Transmission optical properties of coated optical fibers and capillaries have been characterized by angular distributions of the output power from the fibers at a wavelength of 650 nm and by measuring their transmission spectra. Obtained results show that Bragg mirrors fabricated on silica slides can exhibit a minimal transmittance of about 17 % around a wavelength of 650 nm and that prepared fibers and capillaries provided with Bragg-mirror coatings are capable of guiding light and have lowest transmission losses around a wavelength of 550 nm.

Graphical Abstract

Bitte loggen Sie sich ein, um Zugang zu diesem Inhalt zu erhalten

Sie möchten Zugang zu diesem Inhalt erhalten? Dann informieren Sie sich jetzt über unsere Produkte:

Springer Professional "Technik"

Online-Abonnement

Mit Springer Professional "Technik" erhalten Sie Zugriff auf:

  • über 50.000 Bücher
  • über 380 Zeitschriften

aus folgenden Fachgebieten:

  • Automobil + Motoren
  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Elektrotechnik + Elektronik
  • Energie + Umwelt
  • Maschinenbau + Werkstoffe




Testen Sie jetzt 30 Tage kostenlos.

Springer Professional "Wirtschaft+Technik"

Online-Abonnement

Mit Springer Professional "Wirtschaft+Technik" erhalten Sie Zugriff auf:

  • über 69.000 Bücher
  • über 500 Zeitschriften

aus folgenden Fachgebieten:

  • Automobil + Motoren
  • Bauwesen + Immobilien
  • Business IT + Informatik
  • Elektrotechnik + Elektronik
  • Energie + Umwelt
  • Finance + Banking
  • Management + Führung
  • Marketing + Vertrieb
  • Maschinenbau + Werkstoffe
  • Versicherung + Risiko

Testen Sie jetzt 30 Tage kostenlos.

Literatur
Über diesen Artikel

Weitere Artikel der Ausgabe 3/2017

Journal of Sol-Gel Science and Technology 3/2017 Zur Ausgabe

Original Paper: Sol-gel and hybrid materials for catalytic, photoelectrochemical and sensor applications

Photocatalytic activity of CaTiO3 synthesized by solid state, sol–gel and hydrothermal methods

Original Paper: Sol-gel and hybrid materials for energy, environment and building applications

Transesterification of soybean oil for biodiesel production over CaAlSi mixed oxide nanoparticles

Original Paper: Sol-gel and hybrid materials for biological and health (medical) applications

Facile route to synthesize mesoporous SBA-15 rods with different sizes for lysozyme immobilization

Original Paper: Functional coatings, thin films and membranes (including deposition techniques)

An investigation into the simultaneous influence of withdrawal speed and number of coated layers on photocatalytic activity of ZnO thin films

Original Paper: Sol-gel and hybrid materials with surface modification for applications

Effects of SiO2 coating on luminescence property and thermostability of Sr2MgSi2O7: Eu2+, Dy3+ phosphors

Premium Partner

    Marktübersichten

    Die im Laufe eines Jahres in der „adhäsion“ veröffentlichten Marktübersichten helfen Anwendern verschiedenster Branchen, sich einen gezielten Überblick über Lieferantenangebote zu verschaffen. 

    Bildnachweise