Abstract
In this work, the Nd(III) complex doped PMMA with high stimulated emission cross-section, which is one of the most important parameters for laser design, was presented. The molecular structure of the complex, Nd(TTA)3(TPPO)2 (HTTA: 2-thenoyltrifluoroacetone, TPPO: triphenylphosphine oxide), was characterized by single-crystal X-ray diffraction. From the absorption and luminescence spectra, the Judd-Ofelt parameters (Ω2, Ω4 and Ω6) of the Nd3+ ion in PMMA were obtained and the radiative properties were discussed using Judd-Ofelt theory. The stimulated emission cross-section of the emission band at 1.060 μm is 2.75 × 10-20 cm2, which is higher than that of other Nd(III) complex doped organic systems and even comparable with some laser glasses. On the basis of the experimental data and Judd-Ofelt analysis, the 4F3/2 → 4I11/2 transition of the Nd3+ ion in PMMA can be considered as a possible laser transition.
| Original language | English |
|---|---|
| Pages (from-to) | 1531-1537 |
| Number of pages | 7 |
| Journal | Optical Materials |
| Volume | 30 |
| Issue number | 10 |
| DOIs | |
| State | Published - Jun 2008 |
| Externally published | Yes |
Keywords
- Crystal structure
- Emission cross-section
- Judd-Ofelt theory
- Optical properties
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