Third order nonlinear and optical limiting properties of alkaline bismuth borate glasses

•NLO properties of RBB glasses were studied at wavelength 800 nm & 532 nm.•NLO properties of RBB glasses were studied for three time domains fs, ns & ps.•BBB glass exhibit three photon absorption.•SBB & CBB glasses exhibit two photon absorption.•RBB glasses shows low optical limiting thr...

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Bibliographic Details
Published in:Optics and laser technology 2018-11, Vol.107, p.110-115
Main Authors: Rao, M. Veeramohan, Ravi Kanth Kumar, V.V., Shihab, N.K., Rao, D. Narayana
Format: Article
Language:English
Subjects:
Absorption rates
Absorption spectra
Alkalinity
Atoms & subatomic particles
Barium
Bismuth
Calcium
Constraining
Energy gap
Femtosecond
Glass
Nanosecond
Optical basicity
Optical limiting
Optical properties
Optics
Photon absorption
Picosecond
Quenching
Strontium
Third order nonlinearity
Three photon absorption
Two photon absorption
Z-scan
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Summary:•NLO properties of RBB glasses were studied at wavelength 800 nm & 532 nm.•NLO properties of RBB glasses were studied for three time domains fs, ns & ps.•BBB glass exhibit three photon absorption.•SBB & CBB glasses exhibit two photon absorption.•RBB glasses shows low optical limiting threshold values in ns regime. Transparent Alkaline Bismuth Borate glasses (10RO-35Bi2O3-55B2O3, where R = Ba, Ca & Sr) were prepared by melt-quenching method. The optical band gap values of the glasses are obtained from absorption spectra and found to increase due to the presence of alkaline earth ion in the order of Ba 
ISSN:0030-3992
1879-2545
DOI:10.1016/j.optlastec.2018.05.035