| Share | Phrase |
|---|
| 17.32% | optic [domain related] conduit |
| 14.62% | optic [domain related] sensor |
| 14.29% | fibre [attribute] optic |
| 12.40% | optic [domain related] fibre |
| 10.82% | optic [domain related] cable |
| 8.62% | optic [domain related] line |
| 5.44% | optic [domain related] bundle |
| 5.44% | optic [domain related] link |
| 4.13% | optic [domain related] fiber |
| 3.49% | optic [domain related] apparatus |
| 3.37% | optic [domain related] member |