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Large nonlinear optical response of polycrystalline Bi 3.25La0.75Ti3O12 ferroelectric thin films on quartz substrates

Title
Large nonlinear optical response of polycrystalline Bi 3.25La0.75Ti3O12 ferroelectric thin films on quartz substrates
Authors
Shin H.Chang H.J.Boyd R.W.Choi M.R.Jo W.
Ewha Authors
조윌렴
SCOPUS Author ID
조윌렴scopus
Issue Date
2007
Journal Title
Optics Letters
ISSN
0146-9592JCR Link
Citation
vol. 32, no. 16, pp. 2453 - 2455
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We measure the nonlinear susceptibility of B3.25La 0.75Ti3O12 (BLT) thin films grown on quartz substrates using the Z-scan technique with picosecond laser pulses at a wavelength of 532 nm. The third-order nonlinear refractive index coefficient y and absorption coefficient γ of the BLT thin film are 3.1 × 10 -10 cm2/W and 3 × 10-5 cm/W, respectively, which are much larger than those of most ferroelectric films. The results show that the BLT thin films on quartz substrates are good candidate materials for applications in nonlinear optical devices. ©2007 Optical Society of America.
DOI
10.1364/OL.32.002453
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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