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http://hdl.handle.net/2289/2249
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 FTIR 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. |
URI: | http://hdl.handle.net/2289/2249 |
ISSN: | 0030-4018 |
Alternative Location: | http://dx.doi.org/10.1016/j.optcom.2004.10.051 |
Copyright: | 2005 Elsevier B.V. |
Appears in Collections: | Research Papers (LAMP) |
Files in This Item:
File | Description | Size | Format | |
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2005 OC 246 p153.pdf Restricted Access | Restricted Access | 525.14 kB | Adobe PDF | View/Open Request a copy |
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