Bg. Frost et Tl. Jenkins, ON THE INTERPRETATION OF MAGNETIC AND ELECTRIC-FIELDS IMAGED BY LOW-MAGNIFICATION OFF-AXIS ELECTRON HOLOGRAPHY, Journal of Microscopy, 187, 1997, pp. 85-95
The interpretation of magnetic and electric fields imaged by off-axis
electron holography is not always straightforward. We will demonstrate
this by some examples of possible misinterpretations which can result
from, for example, comparing a hologram with a second one acquired su
ch that the reference wave travelled on the opposite side of the sampl
e, the diffraction of the electron beam at the biprism fibre, not cent
ring an area to the true centre of the sideband when reconstructing th
e image wave by Fourier optics, quantification of 'magnetic' and 'elec
tric' phases, procedures to separate electric from magnetic phases and
dislocations in the interference fringes of the hologram.