aberration

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Aberrations Of Optical Systems

Author : W.T Welford
ISBN : 0852745648
Genre : Technology & Engineering
File Size : 33. 10 MB
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Although the subject of optical design as a branch of applied physics is over one hundred years old, the use of aberration theory has changed considerably. Aberrations of Optical Systems covers elementary optics and aberration theory of various optical systems, including the use of nonaxially symmetric systems and diffractive optical elements in complex designs, such as head-up displays and the increasing use of scanning systems with laser illumination. The book provides the complete range of mathematical tools, formulae, and derivations needed for understanding the process of optical design and for planning optical design programs. While the treatment is mainly based on geometrical optics, some excursions into physical optics are made, particularly in connection with the problems of optical tolerances.

Application Of The Algebraic Aberration Equations To Optical Design

Author : Irvine Clifton Gardner
ISBN : UOM:39015086551853
Genre : Science
File Size : 54. 84 MB
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Aberration Corrected Imaging In Transmission Electron Microscopy

Author : Rolf Erni
ISBN : 9781783265305
Genre : Technology & Engineering
File Size : 84. 43 MB
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Aberration-Corrected Imaging in Transmission Electron Microscopy provides an introduction to aberration-corrected atomic-resolution electron microscopy imaging in materials and physical sciences. It covers both the broad beam transmission mode (TEM; transmission electron microscopy) and the scanning transmission mode (STEM; scanning transmission electron microscopy). The book is structured in three parts. The first part introduces the basics of conventional atomic-resolution electron microscopy imaging in TEM and STEM modes. This part also describes limits of conventional electron microscopes and possible artefacts which are caused by the intrinsic lens aberrations that are unavoidable in such instruments. The second part introduces fundamental electron optical concepts and thus provides a brief introduction to electron optics. Based on the first and second parts of the book, the third part focuses on aberration correction; it describes the various aberrations in electron microscopy and introduces the concepts of spherical aberration correctors and advanced aberration correctors, including correctors for chromatic aberration. This part also provides guidelines on how to optimize the imaging conditions for atomic-resolution STEM and TEM imaging. This second edition has been completely revised and updated in order to incorporate the very recent technological and scientific achievements that have been realized since the first edition appeared in 2010.

Aberration

Author : Peter Kulas
ISBN : 1470155745
Genre :
File Size : 73. 87 MB
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Ayden, a gay teenager who can wield both telepathic and telekinetic abilities, is on the run with a fortune hunter that he is not sure he can trust. Panic over whether a fifteen year armistice will end as a megalomaniac ruler resumes his genocidal actions of the past surrounds Ayden at every turn and motivates everyone's desire to have him in their thrall. Ayden tries to sort out who he is, where he comes from, and how he fits into the chaotic world around him.For you see, Aberration is not a novel about a character who is gay and becomes a hero. It's a novel about a character who is gay and therefore can be the hero.

Aberration Theory Made Simple

Author : Virendra N. Mahajan
ISBN : 0819405361
Genre : Technology & Engineering
File Size : 73. 33 MB
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This book provides a clear, concise, and consistent exposition of what aberrations are, how they arise in optical imaging systems, and how they affect the quality of images formed by them. The emphasis of the book is on physical insight, problem solving, and numerical results, and the text is intended for engineers and scientists who have a need and a desire for a deeper and better understanding of aberrations and their role in optical imaging and wave propagation. Some knowledge of Gaussian optics and an appreciation for aberrations would be useful but is not required.

Fundamentals Of Practical Aberration Theory

Author : Yoshiya Matsui
ISBN : 9810213492
Genre : Technology & Engineering
File Size : 24. 47 MB
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At present, although most of the optical design processes are automated with the aid of computer software, the fundamental question of how we can generate the initial optical configuration such that it can be dealt with by the computer remains. The answer can only be found in applying techniques based on the aberration theory. Previous works have explored this subject matter. None, however, has covered the full extent of first deriving the aberration theory and then illustrating with the help of various kinds of actual examples how it can be applied effectively to practical design problems. This book is significant in its attempt to put theory into practice for the first time to provide new insight and knowledge to its readers.

Optical Imaging And Aberrations Ray Geometrical Optics

Author : Virendra N. Mahajan
ISBN : 081942515X
Genre : Science
File Size : 42. 37 MB
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This book examines how aberrations arise in optical systems and how they affect optical wave propagation and imaging based on geometrical and physical optics. It focuses on concepts, physical insight, and mathematical simplicity, intended for students and professionals. Figures and drawings illustrate concepts and enhance readability. This book is useful as a textbook, reference, or tutorial.

Aberration In Modern Poetry

Author : Lucy Collins
ISBN : 9780786489015
Genre : Literary Criticism
File Size : 83. 40 MB
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"This critical work considers the role played by elements that might be considered aberrational in a poet's oeuvre. With an introductory essay exploring the nature of aberration, these fourteen contributions investigate the work of major 20th-century poets from the U.S., Britain, Ireland, Australia and New Zealand"--Provided by publisher.

Aberration Free Refractive Surgery

Author : Josef F. Bille
ISBN : 9783642181610
Genre : Medical
File Size : 41. 17 MB
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This comprehensive report on sight correction through laser surgery provides the practitioner with solid background information from top industry researchers. Carefully illustrated, it details the latest techniques and clinical results in wavefront technology for laser surgery, which is now defining a new standard of practice. This second edition has been significantly expanded to include in-depth descriptions of important new advances as well as glimpses of what the future holds. The book will be indispensable to all wishing to expand their knowledge of customized refractive surgery with an understanding of the underpinning technology.

Aberration And Optical Design Theory

Author : Georgiĭ Georgievich Sli͡usarev
ISBN : UCAL:B4418470
Genre : Aberration
File Size : 33. 43 MB
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This book is the first English translation of Professor Slyusarev's classic Russian text on the design of optical systems. In it, he treats at length certain topics which have only rarely been dealt with in the Western literature, if at all. These include anamorphotic systems, thermal effects and manufacturing tolerances. Also discussed are the methods of using computers in the design of optical systems. The treatment is essentially theoretical, but practical examples are given where appropriate.

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