Add time:07/15/2019         Source:sciencedirect.com

Transparent Barium Bismuth Borate glasses are synthesised with melt-quenching technique. The linear properties of the glasses are studied with UV–Vis absorption studies. Raman spectra was used to study the structural units of the BBB glasses. Linear absorption, optical band gap and Raman spectral studies reveal that the NBOs increases with the increase of Bismuth content in glass network. Nonlinear absorption properties of the glasses are measured by using z-scan technique with femto, pico and nanosecond lasers establish that three photon absorption (3PA) and free carrier absorption (FCA) are dominant in BBB glasses. Optical limiting and transient absorption characteristics of BBB glasses are also reported.

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