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Monoclinic LaBO2MoO4:Nd3+ – a new SE- and (χ(2) + χ(3))-active crystal for multifunctional lasers

✍ Scribed by P. Becker; B. van der Wolf; L. Bohatý; J. Dong; A.A. Kaminskii

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
305 KB
Volume
5
Category
Article
ISSN
1612-2011

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✦ Synopsis

Nd 3+ -doped LaBO 2 MoO 4 with noncentrosymmetric monoclinic structure is presented as a new laser crystal. By Xe-flashlamp pumping at 300 K its pulsed stimulated emission (SE) at two wavelengths of the 4 F 3/2 → 4 I 11/2 generation channel was excited. A tentative identification of the observed SE transitions and measurements of some spectroscopic characteristics are given. The occurrence of a structural phase transition with a large temperature hysteresis was proved by means of thermal analysis. Despite of this, large crystals of LaBO2MoO4:Nd 3+ were grown by the top-seeding method. Based on its SE-and (χ (2) + χ (3) )-active properties we classify this crystal as a promising material for self-frequency doubling and self-Raman lasers.

Sample of (La 1-x Nd x )BO 2 MoO 4 prepared from a crystal grown from the melt

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