Related by context. Frequent words. (Click for all words.) 60 photonic crystal 60 toroidal 58 diffractive 58 spherical 56 anisotropic 55 annular 55 #μm [002] 55 radially 54 GPa 54 convex 54 conical 54 venturi 54 electron density 53 cylindrical 53 dispersive 53 surface roughness 53 CCD camera 53 isotropic 52 microscale 52 silicon nitride 52 #μm [001] 52 teardrop shaped 52 baseplate 52 laminar 52 ionized gas 52 waveguide 52 #mm diameter [002] 52 #.#μm [001] 51 anisotropy 51 photodetector 51 confocal 51 resonator 51 perfectly symmetrical 51 micrometer 51 microstructures 51 interferometry 51 curvatures 51 pentagonal 51 InGaAs 51 optic 51 rotatable 51 particle sizes 51 interferometer 51 wavefront 50 magnifications 50 magnetic flux 50 optical microscopy 50 SiO 2 50 planar 50 μm 50 aperture 50 Fig. 1A 49 uni directional 49 apertures 49 nanoscopic 49 sawtooth 49 concave 49 kinematic 49 sintered 49 diameter 49 submicron 49 concentric rings 49 scanning tunneling microscope 49 canted 49 deformable 49 #mm diameter [001] 49 transducer 49 fluting 49 waveguides 49 bilayer 49 pinhole 49 optical microscope 49 beveled 49 electrically conductive 49 hexagonal 49 LVDT 49 confocal microscopy 49 omnidirectional 49 ferrite 49 absorbance 49 temperature gradient 48 coronal 48 torus 48 fluidic 48 femtosecond laser 48 silicon substrate 48 deformation 48 magnetization 48 crystal lattice 48 transmissive 48 radial 48 cone shaped 48 rectangular 48 ferrule 48 diffraction 48 mm diameter 48 piezo 48 microchannels 48 lattice 48 curved 48 millimeter