## Abstract Lithium tetraborate crystals have great demand due to its nonβcritical phase matching at 90Β°. Transparent and good optical quality single crystals of undoped and Mn doped Li~2~B~4~O~7~ were grown by Czochralski technique in air atmosphere. The crystalline phase was determined by Xβray d
Optical inhomogeneities in Li2B4O7 single crystals
β Scribed by S. Kar; S. Verma; K. S. Bartwal
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 172 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0232-1300
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β¦ Synopsis
Abstract
Lithium tetraborate, Li~2~B~4~O~7~ (LTB) crystals were grown by Czochralski technique. It belongs to tetragonal system with lattice parameter a = b = 9.479 Γ , c = 10.286 Γ . Transmission range of this crystal is 170 nm β 3300 nm. This material has attracted much attention because of its application in higher harmonic generation of Nd:YAG laser and radiation dosimetry. The grown crystals were characterized for their optical inhomogeneity using etch pit study, hardness, conoscopy, interferometry, and UVβVIS transmittance techniques. (Β© 2008 WILEYβVCH Verlag GmbH & Co. KGaA, Weinheim)
π SIMILAR VOLUMES
Pure and Co-doped Li 2 B 4 O 7 (LBO) single crystals were grown by the Czochralski method. Starting concentrations of Co 2 O 3 in the melt were: 0.5, 0.85 and 1 mol% relative to Li 2 CO 3 . Technological factors affecting the quality of both crystals were discussed. Optical absorption and EPR spectr
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