Table 6.
Measurement of α for three different environments; Aq, SC and SM at a scan frequency of 8.5 MHz.
| Aerogel | Aq Attenuation α (dB/cm) |
SM Attenuation α (dB/cm) |
SC Attenuation α (dB/cm) |
|---|---|---|---|
| X-silica-La2O2S:Eu | 8.21 ± 0.14 | 13.76 ± 1.15 | 20.84 ± 0.14 |
| X-silica | 7.13 ± 0.15 | 9.80 ± 0.38 | 14.24 ± 0.98 |
| SMPU-Mix-18 | 6.53 ± 0.01 | 9.12 ± 0.17 | 13.80 ± 0.07 |
| SMPU-Mix-14 | 4.30 ± 0.88 | 5.96 ± 0.55 | 8.06 ± 0.70 |
| X-Ca-Alg-2 | 3.54 ± 0.09 | 7.46 ± 0.39 | 10.54 ± 0.08 |
| X-Ca-Alg-1 | 3.11 ± 0.12 | 7.42 ± 0.21 | 9.41 ± 0.35 |
| BRF-CA | 2.68 ± 0.35 | 6.60 ± 0.67 | 4.61 ± 0.16 |
| ARF-CA | 2.39 ± 0.44 | 4.77 ± 0.46 | 3.27 ± 0.05 |