| Similarity | Rank | |
|---|---|---|
| optical | 0.787 | 13770 |
| optical_system | 0.694 | 82100 |
| Optical | 0.644 | 48833 |
| imaging_system | 0.642 | 70963 |
| waveguide | 0.637 | 60135 |
| optics | 0.620 | 69002 |
| optical_fiber | 0.616 | 67139 |
| optic | 0.608 | 16028 |
| diffraction | 0.603 | 70190 |
| infrared | 0.600 | 27738 |
| imager | 0.596 | 91060 |
| spectrometer | 0.593 | 46182 |
| liquid_crystal | 0.591 | 92513 |
| detector | 0.589 | 8841 |
| laser | 0.584 | 5654 |
| laser_beam | 0.584 | 52218 |
| image_sensor | 0.581 | 99402 |
| planar | 0.580 | 65524 |
| visible_light | 0.578 | 54663 |
| dielectric | 0.574 | 60463 |
| display_device | 0.573 | 91339 |
| ultrasonic | 0.570 | 84817 |
| wavelength_of | 0.565 | 44330 |
| the_human_eye | 0.563 | 57155 |
| laser_light | 0.562 | 80743 |