| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| amplified spontaneous emission | 0.83 | 0.2 | 7621 | 93 | 30 |
| amplified | 1.07 | 0.3 | 5927 | 29 | 9 |
| spontaneous | 0.98 | 0.2 | 3930 | 27 | 11 |
| emission | 1.51 | 0.6 | 2656 | 38 | 8 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| amplified spontaneous emission | 0.02 | 0.1 | 1188 | 30 |
