| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| the difference between threshold wavelength | 1.57 | 0.9 | 8389 | 37 | 43 |
| the | 1.26 | 0.1 | 7672 | 62 | 3 |
| difference | 1.94 | 0.8 | 4177 | 37 | 10 |
| between | 1.72 | 0.8 | 4864 | 47 | 7 |
| threshold | 1.33 | 0.7 | 1792 | 34 | 9 |
| wavelength | 1.12 | 0.6 | 620 | 8 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| the difference between threshold wavelength | 0.67 | 1 | 8824 | 17 |
