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Title: Optical and non-linear optical properties of Nd3+-doped heavy metal borate glasses
Authors: Karthikeyan, B.
Philip, Reji
Mohan, S.
Keywords: Optical materials
Oxide glasses
Non-linear properties
Issue Date: 1-Feb-2005
Publisher: Elsevier B.V.
Citation: Optics Communications, 2005, Vol.246, p153-162
Abstract: Inorganic glasses are suitable materials for fabricating active and passive photonic devices. In this work, glasses of composition 35MO–30Na2O–(35 − x)B2O3–xNd2O3 (MO = Bi2O3, PbO and x = 0, 1) have been prepared through the melt quenching method. In order to characterize the linear and non-linear optical properties, the Fourier Transform Infrared, optical absorption, photoluminescence and open aperture z-scan measurements have been performed. FTIR results show that the glasses have BO3, BO4 and non-bridging oxygens (NBO) as local structures, in addition to the [BiO3] units. Using the Judd–Ofelt theory the theoretical oscillator strengths have been calculated. Radiative properties indicate that these glasses are potential laser materials. Z-scan measurements reveal the occurrence of non-linear optical absorption, which is attributed to the presence of Bi3+ and Pb2+ ions in the glasses. It is found that in the transparency region, the non-linearity exhibited is that of the fifth order.
Description: Restricted Access.
ISSN: 0030-4018
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Copyright: 2005 Elsevier B.V.
Appears in Collections:Research Papers (LAMP)

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