SimilarityRank
laser_beam 0.811 52218
laser 0.776 5654
wavelength_of 0.689 44330
photon 0.686 18937
visible_light 0.667 54663
light_source 0.661 21009
reflect_light 0.645 69902
wavelength 0.643 18465
UV_light 0.643 80006
ultraviolet_light 0.640 95049
electromagnetic_wave 0.636 81340
radio_wave 0.635 55042
blue_light 0.634 46128
electromagnetic_radiation 0.634 65326
white_light 0.628 48863
sound_wave 0.623 52775
optical_system 0.619 82100
fluorescence 0.617 31271
electric_field 0.615 40701
waveguide 0.603 60135
gamma_ray 0.602 77142
quantum_dot 0.593 69073
optical_fiber 0.590 67139
diffraction 0.583 70190
electron 0.583 9389