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(Click for frequent words.) 62 prism 58 lens 57 concave mirrors 56 lenses 56 refract 56 refracting 55 glass prisms 54 Fresnel lenses 54 dichroic 54 refractions 53 refract light 53 refracted 53 light refracting 53 parallelograms 52 eyepieces 52 convex lens 52 magnifying lens 52 concave mirror 51 lightwaves 51 parallax barrier 51 polarizing filters 51 microlens 51 polarisations 51 microlenses 50 electron spins 50 diffracted 50 convex lenses 50 microlens arrays 50 refracts light 50 beam splitter 50 curved mirrors 50 fresnel lens 50 diffraction grating 50 diffract 50 refraction 49 beam splitters 49 liquid crystal molecules 49 refracts 49 magnify objects 49 collimating 49 polarizing filter 49 wavefronts 49 hexagonal pattern 49 diffractive 49 atomic lattice 49 Lenses 49 parabolic reflectors 49 waveguides 49 polyhedron 49 micromirrors 49 geometrical shapes 49 magnifications 49 spectroscope 49 photochromatic 49 IR wavelengths 48 crystals 48 eyepiece 48 optic 48 mirrorlike 48 magnifying lenses 48 bifocal lens 48 photonic crystal 48 quantum mechanically 48 discolored varnish 48 lens tints 48 concentric rings 48 gnomon 48 linearly polarized light 48 diffraction pattern 48 prejudices hypocrisies 48 RGB pixels 48 collimators 48 electronic excitations 48 unpolarized 47 starry heavens 47 diffraction gratings 47 diffracting 47 surface plasmon polariton 47 macroscopic objects 47 olivine crystals 47 microelectrodes 47 nanopillars 47 scrims 47 refractors 47 metallic sheen 47 diffraction patterns 47 microcavities 47 polarities 47 rubidium atom 47 photons emitted 47 beamsplitters 47 parabolic mirror 47 refractive indices 47 opacities 47 lenses prisms 47 birefringence 47 backscattered 47 subwavelength 47 honeycomb pattern 47 micromachined 47 achromatic 47 colloidal crystals 47 glass globes 47 millimeter wavelengths 47 scanning tunneling microscope 46 parallax 46 diptychs 46 photochromic 46 polygonal shapes 46 conduction electrons 46 reflection refraction 46 Spitzer infrared 46 bifocal lenses 46 ring resonators 46 horizontally polarized 46 mandalas 46 haloes 46 hexagonal shapes 46 optical illusions 46 reflective surfaces 46 geometric forms 46 iridescent colors 46 fractal pattern 46 borosilicate glass 46 dodecahedron 46 strontium atoms 46 geometrical patterns 46 laser beams 46 collinear 46 paned window 46 superlenses 46 tilings 46 infrared laser beam 46 lunette 46 tesserae 46 optically 46 colloidal particles 46 dust motes 46 aspheric 46 IOLs 46 birefringent 46 pinhole 46 fritted glass 45 linearly polarized 45 greenish tint 45 nanoribbon 45 polarizations 45 hexagonal mirrors 45 cadmium sulfide 45 globes 45 cobalt atoms 45 colloidal crystal 45 microwires 45 emitted photons 45 wavelengths 45 nanostars 45 stacked vertically 45 retroreflector 45 optically pumped 45 microstructures 45 UVC rays 45 lattices 45 oblique angles 45 concave surfaces 45 nonreflective 45 wavefront 45 watertight lighted pushbuttons 45 apertures 45 sunbeams 45 prismatic 45 aspherical glass 45 powdered pigment 45 intricate mosaic 45 semicircles 45 X ray wavelengths 45 deformable mirrors 45 optical aberrations 45 polychromatic 45 armature 45 silicon atoms 45 infra red radiation 45 spherical particles 45 equilateral triangle 45 photodiodes 45 nanocubes 45 octahedral 45 microcavity 45 Photonic crystals 45 threads woven 45 THz radiation 45 ghostly glow 45 loupe 45 dichroic glass 45 zinc oxide nanowires 45 Veil Nebula 45 Platonic solids 45 cosmological distances 45 squares rectangles 45 fluorescent dye molecules 45 visible wavelengths 45 geometric pattern 45 antiferromagnets 45 hexagonal shaped 45 equilateral 45 curvatures 45 monochromator 45 moonbeams 44 silica spheres 44 Pancam 44 aspherical lens elements 44 superlens 44 hexagons 44 panes 44 tessellations 44 sunglass lenses 44 vari angle 44 vertical slits 44 quantum superposition 44 optical wavelengths 44 crystal lattices 44 photon pairs 44 photons particles 44 superposition 44 Laser beams 44 orbital angular momentum 44 Ultra violet 44 wavefunction 44 loupes 44 spirally 44 fluorescence microscope 44 kaleidoscopes 44 triangular shapes 44 untinted 44 emission spectroscopy 44 dimensional holographic 44 sunglass frames 44 crystalline solids 44 vertical blinds 44 laser interferometry 44 chromophores 44 rhombus 44 equilateral triangles 44 sculptural pieces 44 pentacene molecule 44 scrying 44 ciliary muscles 44 parabolic mirrors 44 stereoscopic images 44 reflectors 44 hemispherical 44 dimensional photonic crystal 44 AB Aurigae 44 circularly polarized light 44 pendulums 44 neon tubes 44 semiconducting properties 44 scanning electron microscopes 44 fractal patterns 44 mirror 44 Bose Einstein condensate BEC 44 funhouse mirrors 44 membrane pores 44 illuminance 44 magnetic coil 44 Venetian blinds 44 convex mirrors 44 quantum particles 44 foreground galaxy 44 micrometer scale 44 crystalline lens 44 jeweler loupe 44 polyhedra 44 scanning electron microscopy 44 prominences 44 HRTEM 44 spherical particle 44 octagons 44 pinholes 44 refracting telescope 44 prolate 44 bistable 44 translucent fabric 44 unprimed canvas 44 reflective polarizer 44 vertically horizontally 44 lensing galaxy 44 Si substrate 44 superposed 44 optics 44 photomultiplier tubes 43 pn junctions 43 adjusts brightness 43 TFT substrate 43 hexagon 43 florescence 43 celestial sphere 43 tessellated 43 sapphire crystals 43 lense 43 lunar craters 43 planetary nebulas 43 gobos 43 nanobubble 43 scintillator 43 lithographically 43 jewellike 43 flickering shadows 43 telescopes microscopes 43 sculptural shapes 43 tetrahedron 43 #x magnification [002] 43 polarizing beam splitter 43 crystal 43 collimator 43 Polarized lenses 43 quantum correlations 43 nanometers billionths 43 Scanning electron microscope 43 spatial coherence 43 spheres 43 tungsten halogen lamps 43 dimly illuminated 43 gravity warps 43 oblongs 43 overpaint 43 spectral fingerprint 43 filamentary 43 micrographs 43 vitrines 43 Bragg gratings 43 infrared photons 43 abstract figurative 43 greenish glow 43 subpixels 43 watercolor washes 43 polariser 43 infrared laser beams 43 spectral bands 43 photogram 43 pentacene 43 laser speckle 43 Ultraviolet light 43 bosonic 43 armatures 43 cloudscapes 43 inkjet prints 43 nanomagnets 43 piezoelectric properties 43 interferometric 43 nanoantennas 43 stalactites 43 axions 43 photonic crystals 43 KH #D 43 perspectival 43 Maxwell equations 43 Fresnel lens 43 intersecting laser beams 43 pentagons 43 translucence 43 magnification 43 nanochannels 43 ferromagnets 43 lenticular sheet 43 refractive index 43 interferometers 43 x ray beam 43 atoms 43 melted beeswax 43 photons 43 bulbous shapes 43 gratings 43 collimation 43 beams 43 STEREO observatories 43 underpainting 43 reflector 43 tubes 43 Spider webs 43 specular reflection 43 camera viewfinder 43 crackle glaze 43 dye molecules 43 ZnO nanowires 43 evanescent waves 43 gridlike 43 reflection nebula 43 nanotube sheets 43 crystallites 43 abstract compositions 43 PEDOT PSS 43 fluorescent dyes 43 Josephson junctions 43 nanoantenna 43 collimated 43 viewfinder 43 frosted glass panels 43 nanorod 43 femtosecond pulse 43 polarizers 43 conic 42 SWNT 42 aspheric lenses 42 emit photon 42 translucent acrylic 42 suspender cables 42 nonconducting 42 Bose Einstein Condensate 42 SWNTs 42 X ray beams 42 uplighting 42 fluorescent molecules 42 orbs 42 ferromagnet 42 magnon 42 perforated stainless steel 42 elliptic 42 yellowish glow 42 tile mosaics 42 superconducting qubits 42 terahertz pulses 42 UV photons 42 illusionistic 42 nanohole 42 irregular shapes 42 iridescence 42 photolithographic techniques 42 crystalline lattice 42 gradations 42 whorls 42 zipper cavity 42 photon fluorescence 42 isosceles triangles 42 fluorescent nanoparticles 42 mindscapes 42 ZnSe 42 faraway galaxies 42 photometry 42 graphene membranes 42 Venn diagrams 42 frequency comb 42 meta atoms 42 infrared emitters 42 metallic nanostructures 42 magnetic excitations 42 pinhole cameras 42 kaleidoscopically 42 honeycomb structure 42 Brownian particles 42 nautilus shell 42 rubidium atoms 42 diffraction limit 42 electromagnetic flux 42 titanium oxide 42 orbitals 42 backlit LCDs 42 interpenetrate 42 dielectric layers 42 fainter objects 42 neon tubing 42 irregularly spaced 42 metamaterial structures 42 constellations 42 circular polarized 42 shapes 42 Fermions 42 μm diameter 42 octahedron 42 specular reflectance 42 shorter wavelengths 42 Wall sconces 42 ultracold atoms 42 CMB photons 42 coverslip 42 concentric circles 42 phototransistor 42 diagrid 42 rubidium vapor 42 Hydrogen atoms 42 floating orbs 42 viewports 42 X ray beam 42 polyhedrons 42 Frosted glass 42 Dobsonian 42 Sconces 42 rectangular prism 42 toroid 42 colloidal 42 planets atmospheres 42 capacitive touch sensors 42 lattice 42 donor acceptor 42 windings 42 dipolar 42 cat's eye 42 heterostructure 42 nanocrystals 42 dermal layers 42 laser optics 42 viewfinders 42 transluscent 42 yellowy brown 42 fluorescent backlights 42 vivid hues 42 telescope eyepiece 42 X ray scattering 42 triptychs 42 KBOs 42 Liquid crystals 42 photonic bandgap 42 symmetries 42 indium gallium arsenide 42 verdigris 42 graphene layers 42 Fourier transforms 42 spectrally 42 photodiode 42 cubistic 42 confocal microscope 42 conductive coating 42 photonic crystal fiber 42 optical waveguides 42 glazed tiles 42 trifocals 42 synchrotron x ray 42 emissive displays 42 photosensor 42 solar prominences 42 cyanotypes 42 dipoles 42 trapezoids 42 magnetisation 41 x ray scattering 41 collimated beam 41 tinted lenses 41 armillary sphere 41 entangled photons 41 quantum coherence 41 polarity 41 downlighters 41 opaline 41 optical metamaterials 41 bandgaps 41 electro chromatic 41 dissecting microscope 41 microscopy techniques 41 auras 41 gravitational lens 41 planets orbits 41 spectrographs 41 nanoworld 41 singularities 41 photochemically 41 sine waves 41 fluorescent microscope 41 wax melts 41 fluorophores 41 sconce 41 manganite 41 microscopic crystals 41 polarized lenses 41 optical lattice 41 inorganic LEDs 41 invisibility cloaking 41 diffractive optical elements 41 entangled qubits 41 luminescent glow 41 eyecups 41 tulip petals 41 inkblots 41 cuvettes 41 indium arsenide 41 electrically insulated 41 optical microscopes 41 quasicrystalline 41 kaleidoscope 41 fisheye lenses 41 reflectance 41 electron orbits 41 spiders webs 41 hexagonal tiles 41 CdSe 41 detect gamma rays 41 alternating layers 41 hysteroscope 41 eyeglass lenses 41 micrometre 41 aperiodic 41 nanostructures 41 titanium carbide 41 orthogonally 41 ferrofluid 41 reddish glow 41 barium ferrite 41 geometric shapes 41 nanosized 41 ultrasonic transducers 41 filaments 41 jovian 41 hollow cylinders 41 surface plasmon 41 convex mirror 41 mylar 41 induced fluorescence 41 Polarized 41 compass needle 41 rectangular shapes 41 spherical shapes 41 circular polarizer 41 glass beads 41 wool fibers 41 Plexiglas panels 41 Galilean moons 41 abstract shapes 41 spherical nanoparticles 41 reddish orange color 41 convex 41 binocular rivalry 41 coronal loops 41 momenta 41 bold brushstrokes 41 fluoresced 41 Comet Holmes 41 surfactant molecules 41 glass panes 41 tetrahedrons 41 crescent moons 41 helium atoms 41 electrodes 41 magnetic monopole 41 paramagnetic 41 electron diffraction 41 vertices 41 yttrium barium copper 41 dragonfly wings 41 RGB LEDs 41 transflective LCD 41 colloidal quantum dots 41 infrared laser pulses 41 silicon substrate 41 electrodynamics 41 nanofluidic channels 41 pn junction 41 graphene circuitry 41 shades 41 photometer 41 mesoscopic 41 chrominance 41 diopter 41 negative refraction 41 colored rectangles 41 superatoms 41 interlocking triangles 41 lenticular lens 41 earthshine 41 infrared LEDs 41 monochromators 41 piezo ceramic 41 astigmatism presbyopia 41 Photons 41 ultra telephoto zoom 41 muntins 41 thermally activated 41 X ray photons 41 angles 41 cubes 41 specular highlights 41 interpenetrating 41 concentric layers 41 mirrors 41 lenticular lenses 41 synchrotron X ray 41 cesium atoms 41 Stained glass windows 41 neutron scattering experiments 41 resonant cavity 41 electrostatic attraction 41 X ray spectroscopy 41 widest aperture 41 photocells 41 unpolarized light 41 opalescence 41 photograms 41 opalescent 41 cryo EM 41 piezoelectric crystals 41 colloidal suspension 41 varying heights 41 submillimeter 41 optically correct 41 quantum phenomena 41 payload fairing clamshell 41 monads 41 Saturn magnetosphere 41 nanoscopic 41 fluorescent proteins 41 baryon 41 Mott insulator 41 microwave photon 41 nanostructure 41 Mossbauer spectrometer 41 dewetting 41 sensory perceptions 41 nebulae 41 gravitational pulls 41 fisheye 41 crystal lattice 41 gravitons 41 polarization 41 geometrically precise 41 Fisheye Optic 41 Sorcerer Ring 41 multifocal IOL 41 micromirror 41 triangles squares 40 nano fibers 40 graphene oxide sheets 40 optomechanical 40 phosphor coated 40 cosmologies 40 bucky balls 40 bluish tint 40 beveled mirrors 40 rays 40 fold rotational symmetry 40 Grand Marnier chocolate truffle 40 subjectivities 40 calorimetric 40 photometers 40 radiometer 40 parabolic reflector 40 aspherical lens 40 spherical 40 microstructured 40 strontium titanate 40 nanodots 40 coiled wire 40 zirconium nitride 40 glowing orbs 40 louvers 40 resonant frequencies 40 antireflective 40 polarimeter 40 crystalline structure 40 Bragg grating 40 paperlike 40 Ring Nebula 40 coronagraph 40 casements 40 photocell 40 binocular disparity 40 astigmatic 40 clerestory windows 40 telescopes 40 window mullions 40 polarimetry 40 tomographic 40 kaleidoscopic patterns 40 darknesses 40 micrometer 40 isomeric 40 porphyrins 40 grayscale images 40 glasslike 40 polychromed 40 lattice spacing 40 photopolymer 40 aspheric optics 40 quantum bits qubits 40 semiconductor nanocrystals 40 ultra violet UV 40 camera lens 40 squares triangles 40 crosshatching 40 quantum dot 40 hydrogens 40 millimetric 40 gothic arches 40 hyperlens 40 Gaussian filter 40 microchannels 40 photolithographic 40 glows brightly 40 scanning tunneling microscope STM 40 nanoribbons 40 crystallins 40 photoluminescence 40 Optical tweezers 40 trapezium 40 perfectly symmetrical 40 melted wax 40 lacelike 40 absorption spectra 40 micropipettes 40 Magnifying glasses 40 ceramic glazes 40 micrometre sized 40 circular aperture 40 vibrational frequency 40 terahertz waves 40 mounting flange 40 taper candles 40 Jovian planets 40 excitons 40 microspheres 40 Type 1a supernovae 40 AcrySof 40 ultrahigh resolution 40 spherical beads 40 sculpturally 40 SGR J# 40 louvres 40 mullions 40 lightbox 40 calcite crystals 40 emission spectra 40 quasicrystal 40 Raman spectra 40 chemically bonded 40 angularly 40 microtomography 40 strands 40 Gaussian beam 40 nanospheres 40 hysteresis loop 40 circularly 40 X ray pulses 40 topological defects 40 inch refracting telescope 40 colored glazes 40 Sunshield 40 gallium indium arsenide 40 aluminum oxide 40 curved surfaces 40 optically transparent 40 kaleidoscopic 40 polaritons 40 spin precession 40 micrometres thick 40 GaAs AlGaAs 40 ReSTOR 40 stroboscope 40 silica nanoparticles 40 fanlike 40 electron neutrinos 40 infinities 40 CRTs cathode ray 40 absorbs photon 40 hexagonal 40 chitons 40 interferometry 40 sunrays 40 radiometers 40 aspherical 40 phosphor coating 40 magnifier 40 nanocages 40 Polycarbonate lenses 40 roughened surface 40 nano crystals 40 ionized hydrogen 40 polystyrene beads 40 utilitarian objects 40 photodetector 40 uplights 40 dopant atoms 40 lenses magnify 40 fermionic atoms 40 brise soleil 40 nanoholes 40 microshutters 40 spectra 40 microbead 40 ionised gas 40 Synchrotron radiation 40 spectroscopic measurements 40 infrared wavelengths 40 indium gallium nitride 40 submicrometer 40 inverted cone 40 crystal pendants 40 spheroidal 40 candlelights 40 orb 40 ultraviolet UV light 40 transmission electron microscopy 40 neutral mass spectrometer 40 reflections 40 spatial dimensions 40 borosilicate 40 lensless 40 aperture 40 nanotags 40 minimize chromatic aberration 40 unsharp mask 40 colorimetry 40 canvases depicting 40 fluorescence 40 monochromatic palette 40 marbleized 40 LCD viewfinder 40 trigonometric functions 40 absorbs ultraviolet 40 bare light bulb 40 gold nanorods 40 manganese atoms 40 funhouse mirror 40 sundog 40 magnifying mirror 40 geometric patterning 40 ion microscope 40 Rorschach inkblots 40 cerulean sky 40 plasmon 40 diffusive 40 reflector telescope 40 sundials 40 mosaics 40 helium ions 40 macrocosm 40 uniaxial 40 triangles 40 lasers 40 dewdrops 40 x ray diffraction 40 platings 40 heliostats 40 alternating stripes 40 sculptures 40 petal shaped 40 HESS telescopes 40 chrome alloy 40 Einstein equations 40 fused silica 40 textured surfaces 40 coppery color 40 tubular skylights 40 ethereal glow 40 quantum particle 40 Interferometer VLTI 40 graphite oxide 40 distant quasar 40 microfluidic chip 40 massless particles 40 rusted iron 40 electroluminescence EL 40 fluorescent microscopy 40 tealight candles 40 supercurrent 40 lamella 40 catoms 40 precisely calibrated 40 topologically 40 lamellar 40 mosaic 40 icosahedral 40 cabochons 40 exciton 40 rhombic 40 lunettes 40 metallic oxides 40 non destructively 40 AlGaAs 40 tuning forks 40 magnifying glasses 40 wave particle duality 40 headlight beams 40 dappled light 40 microscopic beads 40 photon beams 40 hyperbolic geometry 40 diamagnetic 40 cosine 40 gamma rays emitted 40 5μm 40 anatomical landmarks 40 ellipsoid 40 electrochromic 40 microlasers 40 radiating outward 40 birchwood 40 weft threads 40 ultrasonic waves 40 ultraviolet lamp 40 chandelier dripping 40 thick impasto 40 orthogonal directions 40 chalcogenides 40 scanning electron microscope 40 diodes 40 SPD SmartGlass 40 nanofabricated 40 nanosized particles 40 optical sectioning 40 quantum dots 40 dI dV 40 rectangles 40 positionable