Applied Physical Techniques |
Common terms and phrases
aberration absorption adjusted alpha particle aluminium amplitude angle anode aperture arrangement astigmatism axis beta particle Bragg reflection Bravais lattices camera cathode collisions colour components condenser crystal diameter diffraction pattern diffusion pump direction distance electron beam emission emitted energy entrance pupil equation evaporation example exit pupil exposure eyepiece field filament focal length focus focusing fringes gas molecules give glass graticule illumination incident intensity ion pump laser lattice layer lens lenses lines m2 approx magnetic magnification mass maximum McLeod gauge measured mercury metal method monochromatic neutrons object obtained optical parallel particle particular phase photographic film Pirani gauge plane plane-polarised plate position pressure prism produced protons radiation radioactive rays reflected refractive index rotated sample screen slit specimen spectrometer speed spherical aberration sputtering suitable surface techniques telescope thickness torr ultrahigh vacuum unit cell usually vacuum chamber vacuum system valve vapour vibration voltage wave front wavelength