| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| wavelength relation to refractive index | 0.38 | 0.7 | 6053 | 19 | 39 |
| wavelength | 1.01 | 0.6 | 1999 | 20 | 10 |
| relation | 1.53 | 1 | 6589 | 71 | 8 |
| to | 0.44 | 0.2 | 3362 | 56 | 2 |
| refractive | 1.89 | 0.3 | 3605 | 90 | 10 |
| index | 1.73 | 0.2 | 5931 | 46 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| wavelength relation to refractive index | 1.12 | 0.8 | 3026 | 96 |
| wavelength and refractive index relation | 1.15 | 0.8 | 9707 | 79 |
