Singh, Shiv Prakash and Karmakar, Basudeb
(2012)
Bismuth Oxide and Bismuth Oxide Doped Glasses For Optical and Photonic Applications.
In:
Bismuth: Characteristics, Production and Applications.
Materials Science and Technologies
.
Nova, Hauppauge, New York, Chapter-9.
ISBN 978-1-61470-640-3
Abstract
Glasses formed with heavy metal (atomic weight >100) oxides (HMO) have received significant attention because of their interesting physical and optical properties. In this perspective, bismuth (atomic weight = 209) oxide containing glasses is one of the most important members of this family. Bismuth oxide glasses are very useful for exploiting as lead-free, low-softening point, high refractive index, high density and radio shielding glasses. These glasses have long infrared cut-off, which makes them ideal candidates for optical transmission in the infrared to visible region. Thus there has been an increasing interest in the studies of synthesis, microstructure, physical and optical properties of bismuth oxide containing glasses and bismuth oxide doped glasses. Optical absorption studies of bismuth oxide glasses yield important information regarding their electronic states. The synthesis of size-controlled, spherical Bi nanoparticles
and strategies for generation of various shaped Bi nanoparticles in glass matrix is again a very attractive
area for nanomaterial research. Moreover, the generation of surface plasmon resonance due to various shape and sizes bismuth nanoparticles is yet again open a very fascinating research area for plasmonic, nanophotonic and optoelectronic applications. Recent advances have sparked intense interest in bismuthdoped optical materials. Their broadband photoluminescence near infrared (NIR) has been established in many glasses. The bismuth oxide doped fibre lasers and amplifiers have created up to now to cover the
spectral region 1100 to 1550 nm. The current trends show that the bismuth oxide and its doped glasses are very attractive and important optical materials for various scientific as well as technological applications.
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