Orthorhombic YAlO 3 – a novel many‐phonon SRS‐active crystal

In single crystals of orthorhombic YAlO 3 , widely known as a host‐matrix for Ln 3+ ‐lasant ions, many‐phonon stimulated Raman scattering interactions as well as different manifestations of cascaded and cross‐cascaded nonlinear χ (3) ↔χ (3) processes are initiated by picosecond laser pulses. The sci...

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Bibliographic Details
Published in:Laser & photonics reviews 2014-11, Vol.8 (6), p.904-915
Main Authors: Kaminskii, Alexander A., Lux, Oliver, Hanuza, Jerzy, Rhee, Hanjo, Eichler, Hans Joachim, Yoneda, Hitoki, Zhang, Jian, Tang, Dingyuan, Shirakawa, Akira
Format: Article
Language:English
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Summary:In single crystals of orthorhombic YAlO 3 , widely known as a host‐matrix for Ln 3+ ‐lasant ions, many‐phonon stimulated Raman scattering interactions as well as different manifestations of cascaded and cross‐cascaded nonlinear χ (3) ↔χ (3) processes are initiated by picosecond laser pulses. The scientific and applicative potential of YAlO 3 crystals is considerably expanded by the demonstration of its SRS properties. In particular, the studies revealed the manifestation of eight χ (3) ‐active vibrational modes. The corresponding Stokes and anti‐Stokes lines have been assigned and the steady‐state Raman gain coefficients related to the strongest phonon mode have been estimated. In addition, a short review presents the stimulated emission channels of its Ln 3+ ‐ions together with some χ (3) ‐nonlinear laser properties of crystals belonging to the binary Y 2 O 3 ‐Al 2 O 3 system.
ISSN:1863-8880
1863-8899
DOI:10.1002/lpor.201400058