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Observation of nonlinear lasing χ(3)-effects in highly transparent nanocrystalline Y2O3 and Y3Al5O12 ceramics

✍ Scribed by A.A. Kaminskii; Ken-ichi Ueda; H.J. Eichler; S.N. Bagaev; K. Takaichi; J. Lu; A. Shirakawa; H. Yagi; T. Yanagitani

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
209 KB
Volume
1
Category
Article
ISSN
1612-2011

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✦ Synopsis

Multi-wavelength nonlinear parametric χ^(3)^-effects were observed in highly transparent Y~2~O~3~
and Y~3~Al~5~O~12~ nanocrystalline ceramics under
picosecond pumping at 300 K. All recorded Stokes and anti-Stokes
components in the visible and near IR were identified and
attributed to the stimulated Raman scattering active vibration
modes of these novel optical and laser-host crystalline materials.
For both materials, the steady-state first-Stokes Raman gain
coefficient was estimated at a wavelength of around 1 μm.

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