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Friday, July 31, 2020 | History

3 edition of Experimental electron holography found in the catalog.

Experimental electron holography

Jesper Munch

Experimental electron holography

by Jesper Munch

  • 331 Want to read
  • 22 Currently reading

Published .
Written in English


Classifications
LC ClassificationsMicrofilm 45642
The Physical Object
FormatMicroform
Pagination1 l., p.79-99
Number of Pages99
ID Numbers
Open LibraryOL1249572M
LC Control Number94895119

  The principle of holography was discovered in by the Hungarian scientist Dennis Gábor, in connection with attempts to improve the resolution of electron microscopes. The experimental. Purchase Advances in Imaging and Electron Physics, Volume - 1st Edition. Print Book & E-Book. ISBN ,

  In the process of developing holography electron microscope technology, Dr. Tonomura's group has successfully visualized a number of striking quantum phenomena. The "double-slit experiment with electrons" is a classic experiment described Reviews: 2. Electron holography 62 was originally proposed 63 as a means of correcting for electron microscope lens aberrations, substantially before the advent of the laser and the use of holography in light.

2. Results. Figure 1 shows schematic diagrams of the experimental set-up for TEM imaging using a fluid cell (figure 1 a) and off-axis electron holography (figure 1 b).Upon assembly of the fluid cell, a small amount of liquid is sandwiched between two electron-transparent SiN membranes. When examining bacterial cells, the microorganisms and surrounding growth medium are trapped by the windows. Purchase Particles and Waves in Electron Optics and Microscopy, Volume - 1st Edition. Print Book & E-Book. ISBN ,


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Experimental electron holography by Jesper Munch Download PDF EPUB FB2

Electron holography, as originally described by Gabor [], is based on the formation of an interference pattern, or hologram, in the transmission electron microscope ().In contrast to most conventional TEM techniques, which only record spatial distributions of image intensity, electron holography allows the phase shift of the high-energy electron wave that has passed through the specimen to be.

Electron Holography (Springer Series in Optical Sciences) 2nd, enlarged ed. Edition by Akira Tonomura (Author) ISBN ISBN Why is ISBN important. ISBN. Experimental electron holography book bar-code number lets you verify that you're getting exactly the right version or edition of a book.

This book will provide an overview of the present state of electron holography for scien­ tists and engineers entering the field. The principles, techniques and appli­ cations which have already been developed, as well as those which are ex­ Experimental electron holography book to arise in the near future, will be discussed.

The majority of the experimental results described below are obtained using the off-axis, or “sideband,” TEM mode, which is the most widely used mode of electron holography at present. Full use is made of the extremely short wave length of electrons, enabling electron holography to have a great impact on fields ranging from basic science to industrial applications.

This book will. (a) Imaging process of electron holography and (b) shielding technique for avoiding electron irradiation.

The left panel in Fig. 23 (a) shows a reconstructed phase image obtained using the experimental setup shown in Fig. 22 (b); note that the phase shift is shown in terms of the direct phase ϕ, rather than cos ϕ. Electron holography using a coherent electron wave is a promising technique for high-resolution visualization of electromagnetic fields in and around objects.

The capability of electron holography has been enhanced by the development of new technologies and has thus become an even more powerful tool for exploring scientific frontiers. Based on the experimental electron holography data, we carried out quantitative calculation of the saturation magnetization α1 phases and coercivities of two 36Co and 40Co samples.

The equation B s =(ħ/e) Δφ/S [19] was employed to calculate the magnetic flux density, where e is electron charge, Δφ is phase shift from the magnetic field of.

The book's `how to' aspects enable readers to learn hologram acquisition at the microscope and processing of holograms at the computer as well as digital imaging techniques. A complete bibliography on electron holography and applications of the method to problems in materials science, physics and the life sciences round out the volume's coverage.

Electron holography is an electron microscope imaging technique that permits quantitative measurement of magnetic fields with spatial resolution approaching the nanometer scale.

The theoretical background and usual experimental setup for electron holography are first briefly described. Electron holography, a two-step imaging method taking advantage of light and electrons, has been employed for fundamental experiments in physics as well as for high-precision measurements in microscopy.

It continues to be advanced in its applications though the speed of. Best Sellers Rank: #4, in Books (See Top in Books) #71 in Books > Computers & Technology > Graphics & Design > Computer Modelling > Holography # in Books > Science & Math > Experiments, Instruments & Measurement > Electron Microscopes & Microscopy # Electron holography is holography with electron waves.

Dennis Gabor invented holography in when he tried to improve resolution in electron microscope. The first attempts to perform holography with electron waves were made by Haine and Mulvey in ; they recorded holograms of zinc oxide crystals with 60 keV electrons, demonstrating reconstructions with approximately 1 nm resolution.

Get this from a library. Introduction to electron holography. [Edgar Völkl; Lawrence F Allard; David C Joy] -- Experienced and novice holographers receive a solid foundation in the theory and practice of holography, the next generation of imaging technology, in this superb text.

The book's ̀how to'. Experimental results of scratch on a glass plate and a lens and a thin hair on a grating and a mirror are presented. Electron holography is leaving its state of infancy and is rapidly becoming. Electron holography.

[A Tonomura] -- "This book is an introduction to electron holography, a newly developed technique for observing and measuring microscopic structures of matter and fields using the wave nature of electrons.

Included are sections on convergent beam electron diffraction and electron holography utilizing the field emission gun. With generous use of illustrations and experimental data, this book is a valuable resource for anyone concerned with materials characterization, electron microscopy, materials science, crystallography, and instrumentation.

The editor has included a wide range of experimental aspects of electron holography, including sampling, recording and reconstruction techniques. Review by Axel Mainzer Koenig, CEO, 21st Century Data Analysis, a division of Koenig & Associates, Inc., Portland, Ore., U.S.A.

The following sections are included: * Introduction * Experimental Design * Experimental Procedure * Electron hologram formation * Optical reconstruction for interference microscopy * Experimental results * Experimental test of the AB effect [19] * Direct observation of magnetic flux quanta [20] * Conclusions />* References.

holography, with emphasis on microscopy techniques and applications. First, the basic results from the general theory of holography, based on the scalar diffraction theory, are summarized, and a general description of the digital holographic microscopy process is.

Principle of spatially separated electron holography. (A) The initial energy distribution of the electron beam is a function of energy that is singly peaked at E = E0 (right).This book emphasizes the experimental aspects of the author's own laboratory.

Instead of merely presenting a dry collection of knowledge, the author unfolds to the readers his vivid experiences of enthusiasm, sheer pleasure, and yet frustrations in the course of his own research. A world-renowned expert in electron holography, the author.Holography - Different Fields of Application 54 Although there are several forms of electron holography, including in-line and scanning TEM-based electron holography (Cowley, ), the most commonly-used form is the TEM mode of off-axis electron holography, which involves using an electrostatic biprism that is.