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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3564

Title: Optical properties and ultrafast optical nonlinearity of Yb3+doped sodium borate and bismuthate glasses
Authors: Karthikeyan, B.
Suchand Sandeep, C.S.
Cha, Jaemine
Takebe, Hiromichi
Philip, Reji
Mohan, S.
Issue Date: May-2008
Publisher: American Institute of Physics
Citation: Journal of Applied Physics, 2008, Vol.103, 103509
Abstract: In this paper, we report the optical and ultrafast nonlinear optical properties of Yb3+ doped sodium borate and bismuthate glasses. The glasses have been prepared through the melt quench technique. Optical absorption measurements show compositional dependent absorption spectrum of Yb3+, which is due to the higher crystal field induced by Bi3+ ions. Local structure of the glasses has been identified by using Fourier transform infrared and Raman studies. From open aperture z-scan measurements done by using 100 fs laser pulses, the ultrafast optical nonlinearity in these materials is calculated at the nonresonant excitation wavelength of 800 nm. The measured three-photon absorption originates from the glass host, with contributions from the nonbridging oxygens and the nonlinear electronic polarization of the Bi3+ ions.
Description: Open Access
URI: http://hdl.handle.net/2289/3564
ISSN: E-ISSN: 1089-7550
P-ISSN: 0148-6349
Alternative Location: http://dx.doi.org/DOI:10.1063/1.2931029
Copyright: 2008 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
Appears in Collections:Research Papers (LAMP)

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