| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| modern optical engineering | 1.56 | 0.4 | 3027 | 60 | 26 |
| modern | 1.99 | 1 | 909 | 47 | 6 |
| optical | 1.52 | 1 | 3774 | 6 | 7 |
| engineering | 1.29 | 0.2 | 9765 | 66 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| modern optical engineering | 1.96 | 0.5 | 5152 | 76 |
| modern optical engineering pdf | 0.87 | 0.7 | 1423 | 23 |
| modern optical engineering 4th edition pdf | 1.81 | 0.2 | 2814 | 48 |
| modern optical engineering by warren j. smith | 0.92 | 0.6 | 9038 | 1 |
| modern optical engineering smith | 0.98 | 0.9 | 6477 | 94 |
| modern optical engineering fourth edition | 0.84 | 0.5 | 4022 | 58 |
| modern optical engineering smith pdf | 1.51 | 0.6 | 6763 | 7 |
| modern optical engineering fourth edition pdf | 0.06 | 1 | 9697 | 84 |
| warren smith modern optical engineering | 0.66 | 0.3 | 1839 | 31 |
| modern physical optical engineering | 0.66 | 0.9 | 2321 | 54 |
