| Similarity | Rank | |
|---|---|---|
| beams | 0.854 | 13297 |
| reflector | 0.797 | 34800 |
| photon | 0.767 | 33504 |
| waveguide | 0.749 | 84527 |
| wavelength | 0.731 | 21368 |
| deflector | 0.731 | 81976 |
| angle | 0.722 | 4525 |
| reticle | 0.715 | 92685 |
| photons | 0.712 | 31946 |
| light | 0.711 | 472 |
| laser | 0.710 | 4469 |
| lasers | 0.709 | 17848 |
| searchlight | 0.706 | 82464 |
| reflectors | 0.705 | 47762 |
| diode | 0.701 | 29637 |
| cathode | 0.699 | 42219 |
| wavelengths | 0.699 | 27565 |
| diffraction | 0.698 | 50101 |
| prismatic | 0.697 | 94219 |
| arc | 0.697 | 11143 |
| arcing | 0.693 | 71254 |
| turret | 0.689 | 29886 |
| phosphor | 0.689 | 80533 |
| illumination | 0.689 | 16924 |
| prisms | 0.686 | 70462 |