| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| variable optical delay line | 1.64 | 0.3 | 9768 | 45 | 27 |
| variable | 1.97 | 0.9 | 5590 | 46 | 8 |
| optical | 1.79 | 0.5 | 7416 | 65 | 7 |
| delay | 1.56 | 0.1 | 4695 | 74 | 5 |
| line | 1.44 | 0.4 | 8747 | 73 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| variable optical delay line | 1.26 | 0.7 | 1489 | 41 |
