Table 2.
The refractive index and absorption coefficient of main component of adipose tissue for frequencies 0.5, 1, 1.5 and 2 THz.
| Object | Refractive Index | References | Comments | |||
|---|---|---|---|---|---|---|
| Absorption Coefficient, cm−1 | ||||||
| 0.5 THz | 1 THz | 1.5 THz | 2 THz | |||
| Water | 2.4 157.8 |
2.2 220.3 |
2.1 270.6 |
2.0 316.9 |
[51] * | Water samples were laboratory grade purified and deionized, and studied at room temperature and atmospheric pressure |
| 2.3 16.5 |
2.1 23.4 |
2.0 28.9 |
2.0 33.6 |
[23] | ||
| 2.2 187.9 |
2.1 253.6 |
2.0 299.1 |
2.0 339.0 |
[54] | ||
| 2.2 181.8 |
2.0 236.3 |
2.0 284.9 |
1.9 343.6 |
[60] | ||
| 2.4 200.6 |
2.2 269.4 |
2.1 329.3 |
2.1 396.8 |
[61] | ||
| 2.3 189.4 |
2.1 272.3 |
2.0 328.5 |
2.0 395.1 |
[58] * | Distilled at room temperature and normal pressure | |
| 2.3 196.6 |
2.16 272.8 |
2.1 326.1 |
2.0 396.6 |
[62] | ||
| 2.3 163.2 |
2.1 255.5 |
2.0 348.5 |
2.1 - |
[59] ** | Liquid state | |
| Fat | 1.6 36.3 |
1.6 63.3 |
1.5 80.0 |
1.5 93.5 |
[3] | Human |
| 1.6 44.5 |
1.6 72.5 |
1.6 98.7 |
1.6 123.3 |
[23] | ||
| 2.7 27.1 |
2.3 37.1 |
2.2 46.3 |
2.0 54.3 |
[52] | ||
| 1.6 37.2 |
1.6 59.7 |
1.6 81.7 |
1.5 90.7 |
[80] | ||
| 1.6 42.6 |
1.6 75.5 |
1.6 100.7 |
1.6 115.6 |
[81] | ||
| 1.5 14.8 |
1.5 28.5 |
1.5 37.8 |
1.5 44.4 |
[54] | Human, ex vivo | |
| 1.6 46.5 |
1.6 73.6 |
1.6 98.8 |
1.6 115.4 |
[77] | Human, at room temperature | |
| 1.6 38.7 |
1.6 63.3 |
1.6 78.0 |
1.5 92.7 |
[61] | Fresh | |
| 1.4 68.7 |
1.4 78.6 |
1.3 41.2 |
1.3 6.1 |
[75] | Pork | |
| 1.6 36.3 |
1.6 60.7 |
1.6 80.5 |
1.6 93.7 |
[79] | Fresh, bovine | |
| Lipids | 1.5 6.1 |
1.5 12.3 |
1.5 18.3 |
1.5 21.7 |
[60] | Beef tallow, pure lipids from beef |
| 1.5 6.1 |
1.5 12.0 |
1.5 17.6 |
1.5 20.7 |
[82] | Lard, pure commercially available lipid | |
* Additional data provided by the authors. ** More detailed data are not available.