Table 2. Serial order of frequency and amplitude values for experiment with multiple parameters.
| Amplitude (mW) | 10 | 10 | 10 | 10 | 3 | 3 | 3 | 3 | 6.5 | 6.5 | 6.5 | 6.5 |
| Frequency (Hz) | 10 | 20 | 4 | 50 | 10 | 20 | 4 | 50 | 10 | 20 | 4 | 50 |
| Amplitude (mW) | 10 | 10 | 10 | 10 | 3 | 3 | 3 | 3 | 6.5 | 6.5 | 6.5 | 6.5 |
| Frequency (Hz) | 10 | 20 | 4 | 50 | 10 | 20 | 4 | 50 | 10 | 20 | 4 | 50 |