Nonlinear optical properties of borate crystals

Autor(en): Xue, D
Betzler, K
Hesse, H
Lammers, D
Stichwörter: BOND; crystal structure and symmetry; GENERATION; insulators; LIB3O5; optical properties; Physics; Physics, Condensed Matter
Erscheinungsdatum: 2000
Herausgeber: PERGAMON-ELSEVIER SCIENCE LTD
Journal: SOLID STATE COMMUNICATIONS
Volumen: 114
Ausgabe: 1
Startseite: 21
Seitenende: 25
Zusammenfassung: 
We have studied the effect of different chemical bonding structures of boron atoms on the second-order nonlinear optical behavior of borate crystals from the chemical bond viewpoint. Several typical borate crystals, including LiB3O5, beta-BaB2O4, BiB3O6, NdAl3(BO3)(4), Ca(4)LnO(BO3)(3), K[B5O6(OH)(4)].H2O, Eu2B5O9Cl and Ca2B5O9Br, with different chemical bonding structures of boron atoms are investigated. The results show that the different chemical bonding structures of boron atoms have a strong effect on the second-order nonlinear optical behavior of borate crystals. Further, the calculated values show that forming B-O rings would decrease the NLO response of borate crystals and that [BO3](3-) groups possess larger nonlinear optical contributions than [BO4](5-) groups. (C) 2000 Elsevier Science Ltd. All rights reserved.
ISSN: 00381098
DOI: 10.1016/S0038-1098(99)00579-7

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