Journal
APPLIED PHYSICS B-LASERS AND OPTICS
Volume 82, Issue 3, Pages 431-437Publisher
SPRINGER
DOI: 10.1007/s00340-005-2022-z
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We measured the second and third order optical nonlinearity of zinc oxide, grown on glass substrates by the ion beam sputtering technique. Second and third harmonic generation measurements were performed by means of the rotational Maker fringes technique for different polarization configurations, thus allowing the determination of all non-zero components of the second order susceptibility at three different fundamental beam wavelengths, i.e., 1064 nm, 1542 nm and 1907 nm. The dispersion of the nonlinear optical coefficients has been evaluated, while the nonlinear optical coefficients were found to range between 0.9 pm/V and 0.16 pm/V for d(33), 0.53 pm/V and 0.08 pm/V for vertical bar d(15)vertical bar, 0.31 and 0.08 pm/V for vertical bar d(31)vertical bar, with increasing wavelength. Finally, one third order susceptibility, chi(ijkl)((3)), has been determined by third harmonic generation measurements at a fundamental wavelength lambda = 1907 nm and a value for chi(3333)((3)) of 185 x 10(-20) m(2)/V-2 has been found.
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