Fourier Optics and Image Interpretation in Electron Microscopy |
Common terms and phrases
2CSB Airy disc Airy pattern amplitude atoms back focal plane bushy stunt virus calculation central maximum continuous helical projection convolution theorem define demonstrate described diffraction grating diffraction of finite dimensional mask discontinuous helical projection discuss electron micrographs electron microscope equation example Fourier Optics Fourier transform Fraunhofer diffraction helical structures helix holes illumination image plane image profile integral inverse k-fold rotation axis layer lines mathematical micron molecules monomer monomer unit nonzero layer number of strands object mask object profile objective aperture objective lens optical diffraction pattern optical diffractometer optical shadowing Optical Transform phase grain phase object plot Reconstructed image rect rectangle function relative intensities repeat distance represent scattering selection rule set of points shows single strand slope spatial filter spatial frequencies specimen substructure symmetrical arrangements technique three dimensional tion pattern To(x virus particles X-ray diffraction X-ray diffraction pattern X-ray fiber x-z plane zero пу