Optical absorption spectra of LiNbO3, Fe:LiNbO3, and Zn:Fe:LiNbO3 single crystals grown by Bridgman method
β Scribed by Haiping Xia; Xianlin Zeng; Jinhao Wang; Jianli Zhang; Jian Xu; Yuepin Zhang; Qiuhua Nie
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 137 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0232-1300
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Lithium niobate (LiNbO 3 ) crystals doped with Fe and Fe:Mn were grown by Czochralski technique. The doping concentrations of Fe and Mn were optimized. Transmission studies reveal broad absorption band centered at 488 nm. The UV cutoff observed for Fe doped LiNbO 3 is 358 nm whereas for Fe:Mn codope
Single crystals of lithium niobate doped with 0.03 and 0.1 at.% of Cu or Fe ions were grown by the Czochralski technique. Optical absorption spectra in visible and infrared regions before and after Ξ³ irradiation with doses up to 10 5 Gy were measured and positions of both dopants in LiNbO 3 lattice
## Abstract Mg:Mn:Fe:LiNbO~3~ crystals were grown by the Czochralski method. The defect structure was analyzed by UVβvis spectra and IR spectra. The holographic storage of Mg:Mn:Fe:LiNbO~3~ crystals was measured by the two color fixed method. The results show that with the increase of MgO doping co