Optical transfer function (59 résultats)

Paperback. Etat : Good. The modulation transfer function (MTF) is used to specify the image quality achieved by an imaging system. It is particularly useful in analyzing situations in which several independent subsystems are combined. This tutorial provides the background information necessary for the application of MTF techniques to performance specification, estimation, and characterization of optical and electro-optical systems. Readers are introduced to the basic assumptions of linear systems theory, including the concept of spatial frequency, and the relationship between impulse response, resolution, MTF, OTF, PTF and CTF. Practical measurement and testing issues, coupled with several concrete examples, are presented.…

Paperback. Etat : Very Good. It's a well-cared-for item that has seen limited use. The item may show minor signs of wear. All the text is legible, with all pages included. It may have slight markings and/or highlighting.

Etat : New.

Paperback or Softback. Etat : New. Electrical Transfer Function and Poling Mechanisms for Nonlinear Optical Polymer Modulators. Book.

Etat : good. Paperback Book.

Hardcover. Etat : Very Good. Very Good Minus. American Elsevier Publishing Co., Inc., 1971 Monograph on Applied Optics No. 3. 78 pgs. Text bright, clean and unmarked. Diagrams. DJ as 3 tiny teats on edges. Hardcover. Very Good/Very Good Minus. 6.5" x 10".

Paperback. Etat : New.

Broschur. Etat : Gut. Volume 71. Seiten 160; Exemplar aus der Bibliothek Prof. Dr. Waidelich. Neben dem oben aufgeführten Aufsatz sind noch weitere Beiträge, auch anderer Autoren, in dem gut erhaltenen Werk enthalten. Sprache: Englisch Gewicht in Gramm: 550.

Etat : New. In English.

Etat : New.

Hard Cover. Etat : Good. No Jacket. First Edition. From an academic library with the usual stamps etc. A00006120.

Paperback. Etat : Brand New. 2nd edition. 156 pages. 9.92x6.97x0.47 inches. In Stock.

Etat : New.

Etat : New.

Paperback. Etat : New. Second Edition. This second edition introduces the theory and applications of the modulation transfer function (MTF), used to specify the image quality achieved by an imaging system. It starts with the relationship between impulse response and transfer function, and the implications of a convolutional representation of the imaging process. Optical systems are considered first, including effects of diffraction and aberrations on the image, with attention to aperture and field dependences. Then electro-optical systems with focal-plane arrays are considered, with an expanded discussion of image-quality aspects unique to these systems, including finite sensor size, shift invariance, sampling MTF, aliasing artifacts, crosstalk and electronics noise. Various test configurations are then compared in detail, considering the advantages and disadvantages of point-response, line-response and edge-response measurements. The impact of finite source size on the measurement data, and its correction, are discussed. An expanded discussion of the practical aspects of the tilted-knife-edge test is presented. New chapters are included on speckle-based and transparency-based noise targets, and square-wave and bar-target measurements. A range of practical measurement issues are then considered, including mitigation of source coherence, combining MTF measurements of separate subsystems, quality requirements of auxiliary optics, and low-frequency normalization. Some generic measurementinstrument designs are compared, and the book closes with a brief consideration of MTF impacts of motion, vibration, turbulence, and aerosol scattering.…

Etat : As New. Unread book in perfect condition.

Taschenbuch. Etat : Neu. Neuware - Electro-Optic Polymers hold great promise in increased electro-optic coefficients as compared to their inorganic corollaries. Many researchers have focused on quantum chemistry to describe how the dipoles respond to temperature and electric fields. Much work has also been done for single layer films to confirm these results. For optical applications, waveguide structures are utilized to guide the optical waves in 3 layer stacks. Electrode poling is the only practical poling method for these structures. This research takes an electrical engineering approach to develop poling models and electrical and optical transfer functions of the waveguide structure. The key aspect of the poling model is the large boundary charge density deposited during the poling process. The boundary charge density also has a large effect on the electrical transfer function which is used to explain the transient response of the system. These models are experimentally verified. Exploratory experiment design is used to study poling parameters including time, temperature, and voltage. These studies verify the poling conditions for CLDX/APC and CLDZ/APEC guest host electro optic polymer films in waveguide stacks predicted by the theoretical developments.This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.…

Etat : New.

Etat : New.

Kartoniert / Broschiert. Etat : New. KlappentextrnrnElectro-Optic Polymers hold great promise in increased electro-optic coefficients as compared to their inorganic corollaries. Many researchers have focused on quantum chemistry to describe how the dipoles respond to temperature an.

Etat : As New. Unread book in perfect condition.

Hardcover. Etat : Fair. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way.

Soft cover. Etat : New. Language:Chinese.Author:BEN SHE.YI MING.Binding:Soft cover.Publisher:Standards Press of China; 1 (January 1. 2010).

Etat : New. In English.

Etat : As New. Unread book in perfect condition.

Paperback. Etat : New.

Etat : As New. Unread book in perfect condition.

paperback. Etat : Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.

Hardcover. Etat : Near Fine. Etat de la jaquette : Very Good. 1st Edition. hardback book in near fine condition,dust jacket is very good to near fine, address label,book sale stamped on first blank page.

Paperback. Etat : New. Second Edition. This second edition introduces the theory and applications of the modulation transfer function (MTF), used to specify the image quality achieved by an imaging system. It starts with the relationship between impulse response and transfer function, and the implications of a convolutional representation of the imaging process. Optical systems are considered first, including effects of diffraction and aberrations on the image, with attention to aperture and field dependences. Then electro-optical systems with focal-plane arrays are considered, with an expanded discussion of image-quality aspects unique to these systems, including finite sensor size, shift invariance, sampling MTF, aliasing artifacts, crosstalk and electronics noise. Various test configurations are then compared in detail, considering the advantages and disadvantages of point-response, line-response and edge-response measurements. The impact of finite source size on the measurement data, and its correction, are discussed. An expanded discussion of the practical aspects of the tilted-knife-edge test is presented. New chapters are included on speckle-based and transparency-based noise targets, and square-wave and bar-target measurements. A range of practical measurement issues are then considered, including mitigation of source coherence, combining MTF measurements of separate subsystems, quality requirements of auxiliary optics, and low-frequency normalization. Some generic measurementinstrument designs are compared, and the book closes with a brief consideration of MTF impacts of motion, vibration, turbulence, and aerosol scattering.…