Abstract
Holographic storage properties and Ultraviolet-Visible absorption spectra of LiNbO3:Fe:Hf crystals adoped with Hf(4 mol%) are measured and analysised. Ultraviolet-Visible absorption edges obviously shift to long waveleng. The ratio of [Fe2+]/[Fe3+] increases with the increasing of [Li]/[Nb], which results in the deceasing of diffraction efficiency, and improving response speed and sensitivity. Moreover, the ability of light scattering resistance decreased with the increasing of [Li]/[Nb]. It is contributed to the change of FeLi2+ concentration in crystals.
| Original language | English |
|---|---|
| Pages (from-to) | 1253-1256 |
| Number of pages | 4 |
| Journal | Guangzi Xuebao/Acta Photonica Sinica |
| Volume | 39 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 2010 |
Keywords
- Concentration of [Li]/[Nb] variation
- LiNbO:Fe:Hf
- Threshold concentration
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