Emission properties and structure of heavy metal oxide glasses

Jong Heo; Jay Hyok Song; Yong Gyu Choi

doi:10.1117/12.592323

4 April 2005 Emission properties and structure of heavy metal oxide glasses

Jong Heo, Jay Hyok Song, Yong Gyu Choi

Proceedings Volume 5723, Optical Components and Materials II; (2005) https://doi.org/10.1117/12.592323
Event: Integrated Optoelectronic Devices 2005, 2005, San Jose, California, United States

Abstract

Emissions properties of glasses in the PbO-Ga₂O₃-Bi₂O₃ system doped with a variety of different rare-earth ions were reviewed with particular attention on the applications towards the amplification of the optical signals in the fiber-optic communication systems and for mid-infrared lasers. Due to the low vibrational phonon energy of the glasses, it was possible to realize the efficient emissions for the O-band and S-band amplification by doping Pr³⁺, Dy³⁺ or Tm³⁺. Amplification at these communication bands has not been possible when conventional oxide glasses were used as host materials. Network structure of the glass was made of mixture of GaO₄ tetrahedra and PbO₃/PbO₄ polyhedra as a backbone. They are connected through bridging oxygens and a portion of these oxygen atoms are connected to three cations instead of two. Pb²⁺ ions also act as charge compensators as evidenced from the large amount of non-bridging oxygens in the glass network. Bi₂O₃ form BiO₆ octahedra.

Citation Download Citation

Jong Heo, Jay Hyok Song, and Yong Gyu Choi "Emission properties and structure of heavy metal oxide glasses", Proc. SPIE 5723, Optical Components and Materials II, (4 April 2005); https://doi.org/10.1117/12.592323

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