| Share | Phrase |
|---|
| 16.18% | optical [domain related] fiber |
| 12.75% | optical [domain related] sensor |
| 7.09% | optical [domain related] element |
| 4.91% | optical [domain related] device |
| 4.15% | optical [domain related] detector |
| 3.63% | optical [domain related] path |
| 3.42% | optical [domain related] encoder |
| 3.42% | optical [domain related] waveguide |
| 3.34% | optical [domain related] joint |
| 2.87% | optical [domain related] apparatus |
| 2.67% | optical [domain related] signal |
| 2.65% | optical [domain related] coupler |
| 2.48% | optical [domain related] means |
| 1.79% | optical [domain related] guide |
| 1.79% | optical [domain related] scanner |
| 1.76% | optical [domain related] axis |
| 1.57% | optical [domain related] system |
| 1.56% | optical [domain related] assembly |
| 1.53% | optical [domain related] pathway |
| 1.22% | optical [domain related] conductor |
| 1.19% | optical [domain related] passage |
| 1.19% | optical [domain related] radiation |
| 1.11% | optical [domain related] receiver |
| 1.11% | optical [domain related] cavity |
| 1.10% | optical [domain related] property |
| 1.02% | optical [domain related] unit |
| 0.96% | optical [domain related] beam |
| 0.94% | optical [domain related] switch |
| 0.89% | optical [domain related] fibre |
| 0.81% | optical [domain related] coupling |
| 0.81% | optical [domain related] transmitter |
| 0.72% | optical [domain related] source |
| 0.66% | optical [domain related] wheel |
| 0.59% | optical [domain related] isolator |
| 0.57% | optical [domain related] type |
| 0.51% | optical [domain related] alignment |
| 0.51% | optical [domain related] shutter |
| 0.51% | optical [domain related] window |
| 0.51% | optical [domain related] energy |
| 0.47% | optical [domain related] center |
| 0.44% | optical [domain related] angle |
| 0.44% | optical [domain related] emitter |
| 0.44% | optical [domain related] indicator |
| 0.40% | optical [domain related] communication |
| 0.40% | optical [domain related] output |
| 0.34% | optical [domain related] characteristic |
| 0.33% | optical [domain related] component |