| Similarity | Rank | |
|---|---|---|
| laser_beam | 0.796 | 52218 |
| laser_light | 0.776 | 80743 |
| Laser | 0.713 | 23396 |
| laser_treatment | 0.652 | 78996 |
| optical_system | 0.645 | 82100 |
| light_source | 0.632 | 21009 |
| optic | 0.627 | 16028 |
| diode | 0.620 | 35544 |
| optical | 0.615 | 13770 |
| optics | 0.604 | 69002 |
| photon | 0.599 | 18937 |
| optical_fiber | 0.597 | 67139 |
| ultrasonic | 0.596 | 84817 |
| infrared | 0.586 | 27738 |
| wavelength_of | 0.585 | 44330 |
| an_optical | 0.584 | 76309 |
| ultraviolet_light | 0.583 | 95049 |
| imaging_system | 0.581 | 70963 |
| wavelength | 0.581 | 18465 |
| waveguide | 0.576 | 60135 |
| fiber_optic | 0.565 | 55134 |
| visible_light | 0.564 | 54663 |
| imager | 0.564 | 91060 |
| beam | 0.557 | 5269 |
| ultraviolet | 0.557 | 74117 |