Accumulated Reconstruction Method for Electron Holography

Accumulated Reconstruction Method for Electron Holography

One of the long standing problems affecting electron holography, such as lateral coherence limitation, has been solved by the split illumination method with a specially customized transmission electron microscope (TEM). The customized TEM has single [1] or double [2] biprisms in a condenser optical system. Conventional TEM, constructed for electron holography, however, does not have any biprism...

Reconstruction of attosecond electron wave packets using quantum state holography

K. Klünder,1 P. Johnsson,1 M. Swoboda,2 A. L’Huillier,1 G. Sansone,3 M. Nisoli,3 M. J. J. Vrakking,4 K. J. Schafer,5 and J. Mauritsson1,* 1Department of Physics, Lund University, P.O. Box 118, SE-221 00 Lund, Sweden 2TU Dresden, B CUBE–Center for Molecular Bioengineering, Arnoldstrasse 18, D-01307 Dresden, Germany 3Politecnico di Milano, Department of Physics Istituto di Fotonica e Nanotecnolog...

Ferroelectric electron holography.

Ferroelectrics are increasingly important as materials in semiconductor technology, e.g. for building non-volatile memory chips. For optimisation of the properties of such devices, there is an urgent need for methods, which analyse the ferroelectric properties at nanometer scale. Furthermore, the basic understanding of the interaction of ferroelectrics with electrons in the transmission electro...

Pulsed electron holography

Electron Holography: Recent Developments

With the ever increasing speed of modern computers, computing-power hungry applications as electron holography can become more interactive and user friendly and be available for live-time application. New phase unwrapping algorithms and improved reconstruction techniques are discussed together with new approaches to improve the signal/noise ratio in reconstructed phase and amplitude images. Whi...