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Cooperative luminescence of Yb3+ ions in fused and unfused silicon dioxide

Keywords:

A.S. Shikin – Student, MPTI, Engineer, Kotel’nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences
E.A. Savelyev – Post-graduate Student, Kotel’nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences


Experimental results characterizing ytterbium clusters formation in amorphous silicon dioxide synthesized by the surface-plasma CVD method are presented. Intensities of co-operative luminescence excited in different channel waveguides with Yb:SiO2 as the core material are compared.
References:

  1. Gapontsev V.A. Recent progress in scaling of high-power fiber lasers at IPG photonics // Technical Digest Solid State and Diode Laser Technology Review. Albuquerque, NM: Directed Energy Professional Society. 2009. R. 142.
  2. Nakazawa E., Shionoya S. Cooperative Luminescence in YbPO4 // Phys. Rev. Lett. 1970. № 25. R. 1710
  3. Kazuo Arai, Hiroshi Namikawa, Ken Kumata, Tatsutoku Honda, Yoshiro Ishii, and Takashi Handa Aluminum or phosphorus codoping effects on the fluorescence and structural properties of neodymium‐doped silica glass // J. Appl. Phys. 1986. V. 59, R. 3430.
  4. Goldner P. Dependence of cooperative luminescence intensity on Yb3+ spatial distribution in crystals and glasses // Phis. Rev. B. 2002. V. 65, № 5. R. 4103.

June 24, 2020
May 29, 2020

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