Table 3.
Overview of simulations used to investigate sensor size∕spacing∕layer∕effects.
| Step 1 | Step 2 | Step 3 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sensor model | D20S100 | D20S60 | D20S20 | D100S100 | D60S100 | D20S100 | D60S60 | D20S60 | D20S20 | D100S100 | D60S100 | D20S100 |
| Sphere diameter (D) (μm) | 20 | 20 | 20 | 100 | 60 | 20 | 60 | 20 | 20 | 100 | 60 | 20 |
| Sphere packing efficiency | 0.59% | 2.74% | 74.05% | 74.05% | 15.99% | 0.59% | 74.05% | 2.74% | 74.05% | 74.05% | 15.99% | 0.59% |
| Center-to-center spacing (S) (μm) | 100 | 60 | 20 | 100 | 100 | 100 | 60 | 60 | 20 | 100 | 100 | 100 |
| Number of spheres∕layer | 151 | 367 | 3259 | 151 | 151 | 151 | 367 | 367 | 3259 | 1459 | 1459 | 1459 |
| Light source | 2.4-mm diameter circular | 2.4-mm diameter circular | 100 μm×100 μm square | |||||||||
| Irradiance: 1 mW∕mm2 | Irradiance: 1 mW∕mm2 | Irradiance: 1 mW∕mm2 | ||||||||||
| Sensor model diameter (mm) | 1.2 | 1.2 | 4 | |||||||||
| Number of sensor model layers | 1 | 1 | 1 | |||||||||
| 2 | ||||||||||||
| 3 | ||||||||||||
| Absorption coefficient@540 nm (mm−1) | 11.16 | 11.16 | 11.16 | 1.93 | 8.92 | 240.86 | 3.67 | 99.10 | 11.16 | 11.16 | 51.67 | 1395.00 |
| Dye concentration per sphere (nM) | 10.00 | 10.00 | 10.00 | 1.73 | 7.99 | 215.83 | 3.29 | 88.80 | 10.00 | 10.00 | 46.30 | 1250.00 |
| Effective dye concentration (nM) | 0.06 | 0.27 | 7.40 | 1.28 | 1.28 | 1.28 | 2.44 | 2.44 | 7.40 | 7.40 | 7.40 | 7.40 |
| Total amount of dye (mol) | 6.33E−18 | 1.54E−17 | 1.37E−16 | 1.37E−16 | 1.37E−16 | 1.37E−16 | 1.37E−16 | 1.37E−16 | 1.37E−16 | 7.64E−15 | 7.64E−15 | 7.64E−15 |
| 1.53E−14 | 1.53E−14 | 1.53E−14 | ||||||||||
| 2.29E−14 | 2.29E−14 | 2.29E−14 | ||||||||||
| Number of rays | 4.0E+06 | 2.1E+0.6 | 2.3E+05 | 2.3E+05 | 6.4E+05 | 4.0E+06 | 2.3E+05 | 2.1E+06 | 2.3E+05 | 1.0E+04 | 1.0E+04 | 1.6E+05 |
| Repetitions | 3 | 3 | 3 | |||||||||
Note: All of the sensor models in this series of simulations were located at the same depth (700 μm).