Table 1 Relative enrichment of each element in the modified silicate glass, step refractive index obtained via electronic polarizabilites (ΔnPol), via near field measurements (ΔnMFD) and stoichiometric oxygen relative increment (ΔSO).
From: Femtosecond laser induced thermophoretic writing of waveguides in silicate glass
Lens | Zone | δSi (%) | δNa (%) | δK (%) | δBa (%) | ΔnPol (10–2) | ΔnMFD (10–2) | ΔSO (%) |
|---|---|---|---|---|---|---|---|---|
UO | Si-poor | − 8.3 ± 0.9 | 10.3 ± 1.1 | − 1.0 ± 1.0 | 29.5 ± 1.3 | 1.2 ± 0.7 | 1.7 ± 0.3 | − 1.7 ± 0.4 |
AL | Si-poor (top) | − 9.6 ± 0.9 | 22.5 ± 1.2 | − 4.0 ± 1.2 | 33.0 ± 1.3 | 2.0 ± 1.1 | 2.2 ± 0.4 | − 1.3 ± 0.3 |
AL | Si-poor (bottom) | − 5.3 ± 0.8 | 10.1 ± 1.1 | − 2.2 ± 1.1 | 18.6 ± 1.1 | 0.9 ± 0.6 | 1.3 ± 0.3 | 2.0 ± 0.5 |
CO | Si-poor | − 5.1 ± 0.8 | 7.3 ± 1.1 | − 1.3 ± 1.0 | 29.8 ± 1.3 | 1.9 ± 1.0 | 2.5 ± 0.4 | − 1.0 ± 0.3 |
UO | Si-rich | 24.0 ± 1.3 | − 54.4 ± 0.5 | − 42.5 ± 0.6 | − 19.6 ± 0.8 | − 3.7 ± 1.7 | 7.8 ± 2.0 | |
AL | Si-rich | 19.8 ± 1.2 | − 48.8 ± 0.5 | − 38.5 ± 0.6 | − 29.8 ± 0.7 | − 5.1 ± 2.4 | 8.0 ± 2.0 | |
CO | Si-rich | 20.7 ± 1.2 | − 43.1 ± 0.6 | − 28.0 ± 0.7 | − 19.6 ± 0.8 | − 2.3 ± 1.1 | 7.3 ± 1.8 |
