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MEASUREMENT OF ELECTRON-OPTICAL PARAMETERS AFFECTING HIGH-RESOLUTION IMAGES

JOHN C. H. SPENCE

in High-Resolution Electron Microscopy

Published in print:
2008
Published Online:
January 2010
ISBN:
9780199552757
eISBN:
9780191708664
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199552757.003.0010
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter discusses experimental methods for measuring the instrumental parameters on which high resolution images depend. These include defocus, objective lens current, spherical aberration ... More


EXPERIMENTAL METHODS

JOHN C. H. SPENCE

in High-Resolution Electron Microscopy

Published in print:
2008
Published Online:
January 2010
ISBN:
9780199552757
eISBN:
9780191708664
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199552757.003.0012
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter focuses on the practical problems encountered when attempting to record atomic-resolution images. The human skills of sample alignment, focusing, astigmatism correction, and image ... More


Solving crystal structures from HRTEM images by crystallographic image processing

Xiaodong Zou, Sven Hovmöller, and Peter Oleynikov

in Electron Crystallography: Electron Microscopy and Electron Diffraction

Published in print:
2011
Published Online:
January 2012
ISBN:
9780199580200
eISBN:
9780191731211
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199580200.003.0007
Subject:
Physics, Crystallography

A fundamentally important feature of electron crystallography is its power in solving crystal structures directly from HRTEM images, using crystallographic image processing. With the appropriate ... More


Experimental procedures of crystallographic image processing

Xiaodong Zou, Sven Hovmöller, and Peter Oleynikov

in Electron Crystallography: Electron Microscopy and Electron Diffraction

Published in print:
2011
Published Online:
January 2012
ISBN:
9780199580200
eISBN:
9780191731211
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199580200.003.0008
Subject:
Physics, Crystallography

The practical experimental procedures of crystallographic image processing are described with ample figures from actual HRTEM images. A thin area of an image is Fourier transformed. The amplitudes ... More


Using near retinoscopy to refract infants

Frank Thorn, Jane Gwiazda, and Richard Held

in Infant Vision

Published in print:
1996
Published Online:
March 2012
ISBN:
9780198523161
eISBN:
9780191724558
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198523161.003.0008
Subject:
Neuroscience, Sensory and Motor Systems

Near retinoscopy has proven to be a powerful technique for measuring the optical focus of an infant's eyes. It can be used to measure easily and accurately astigmatism and anisometropia. It can be ... More


Experimental methods

John C. H. Spence

in High-Resolution Electron Microscopy

Published in print:
2013
Published Online:
January 2014
ISBN:
9780199668632
eISBN:
9780191749322
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199668632.003.0012
Subject:
Physics, Condensed Matter Physics / Materials

Chapter 12 describes in very practical terms the experimental procedures needed to record high-quality images of atoms using a high-resolution electron microscope. This includes focusing technique ... More


Optical resonators – geometrical properties

Warren Nagourney

in Quantum Electronics for Atomic Physics and Telecommunication: Second Edition

Published in print:
2014
Published Online:
June 2014
ISBN:
9780199665488
eISBN:
9780191779442
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199665488.003.0002
Subject:
Physics, Atomic, Laser, and Optical Physics

Optical resonator geometrical properties – those depending only on the cavity geometry and wavelength of the radiation – are derived for both standing-wave and traveling-wave cavities. Cavity ... More


Geometrical Optics

B. D. Guenther

in Modern Optics

Published in print:
2015
Published Online:
January 2016
ISBN:
9780198738770
eISBN:
9780191801983
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198738770.003.0005
Subject:
Physics, Atomic, Laser, and Optical Physics

The theory of geometrical optics as presented here is associated with rays that propagate at small angles where the sine of the angle can be replaced by the angle in radians. This is called the ... More


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