THE experimental results reported in a previous communication 1 confirm the existence of several maxima for the second- and the third-order diffraction lines at oblique incidence and at low sound ...

Q: What are diffraction gratings? A diffraction grating is an optical component for spectroscopy that splits light into different ... technical upgrades on the second engine, in 1974 Hitachi ...

Description: Electron diffraction patterns for single crystal and polycrystalline materials are displayed on a CRT screen. A Welch model 2639 'Electron Diffraction tube' is used in an experiment in ...