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Title: Non-linear optical properties of (Pb1−xSrx)TiO3 thin films
Authors: Ambika, D.
Kumar, V.
Sandeep, Suchand C.S.
Philip, Reji
Keywords: Z-scan technique
Sol-gel technique
Issue Date: Nov-2009
Publisher: Springer
Citation: Applied Physics B, 2009, Vol.97, p661
Abstract: Thin films of (Pb1−xSrx )TiO3, x = 0, 0.5, 1.0 have been prepared on glass substrates by the chemical solution method using the spin-coating technique. The optical nonlinearity in the visible spectral region is investigated using short (5 ns) laser pulses at the off-resonant wavelength of 532 nm employing the open aperture z-scan technique. It is found that the third order nonlinear absorption is dependent on the lead content of the films, with the compositions x = 0, 0.5 exhibiting large values (β ∼ 10−7 m/W), thereby suggesting the possible use of these materials as optical limiters. No optical nonlinearity is observed for the composition with x = 1.0.
Description: Restricted Access.
ISSN: 0946-2171
1432-0649 (Online)
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Copyright: 2009 Springer
Appears in Collections:Research Papers (LAMP)

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