Optical properties 101 human 96 Quantum optics 95 Article 69 Humans 69 Optical- 51 Optical radar 49 optical coherence tomography 48 Refractive index 47 article 44 controlled study 43 Photons 39 male 39 Optical fibers 38 procedures 36 Fiber optic sensors 35 female 35 Nonlinear optics 32 Energy gap 31 Infrared devices 30 Optical tomography 29 adult 29 Optical communication 28 Scanning electron microscopy 28 Fibers 26 Performance 26 diagnostic imaging 26 Quantum entanglement 25 Deep learning 24 Thin films 24