Current Trends in Short- and Long-period Fiber Gratings, Edvin Falk

Автор: Igor A Sokolov, Mikhail A Bryushinin
Название: Optically Induced Space-Charge Gratings in Wide-Bandgap Semiconductors: Techniques & Applications
ISBN: 153611944X ISBN-13(EAN): 9781536119442
Издательство: Nova Science
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Описание: The photorefractive effect is one of the highest-sensitivity non-linear optical effects. The rate of progress in the development of photorefractive applications has been limited by the rate in which breakthroughs in materials science have supplied better wide-bandgap semiconductor materials. The last few years have seen an upsurge of interest in characterisation of new wide-bandgap semiconductor materials. Holographic recording in wide-bandgap photorefractive materials is of particular interest from the scientific and practical point of view. Such a recording includes the stage of space charge formation, which is associated with the spatial redistribution of photoinduced carriers. A number of new methods studying the dynamics of space charge and photoconductivity in wide-bandgap semiconductors were proposed during recent years. This book deals with the so-called non-steady-state photo-EMF effect and its applications for material characterization and adaptive interferometry. The first part of the book discusses the theory of the non-steady-state photo-EMF effect. The second part of the book describes the application of the non-steady-state photo-EMF effect for the investigation of wide- bandgap semiconductors and nanostructured materials, including photorefractive sillenites grown in the air and argon atmosphere, molecular crystal SnS2, boron nitride crystals, nano-sized GaN and Se within porous matrices, SiC, AlN and Ga2O3 crystals. The third part of the book presents a theoretical analysis and experimental investigation of the non-steady-state photoelectromotive force and two-wave mixing in photorefractive crystals under frequency-modulated illumination. The final part of the book describes adaptive interferometers using the effect of the non-steady-state photo-EMF. This book has been written to be accessible to specialists working in solid state physics, semiconductor physics and adaptive inter-ferometry, laser-based ultrasound. The subject areas include: Photorefractive non-linear optics, dynamic holography, interferometry, wide-bandgap semiconductors and laser-doppler velocimetry. References to over 200 original papers represent the personal selections of the authors, who are grateful to all of their colleagues for their assistance and contributions. The authors acknowledge the financial support from the Russian Science Foundation (grant 15-12-00027).

Автор: R. Petit; L.C. Botten; M. Cadilhac; G.H. Derrick;
Название: Electromagnetic Theory of Gratings
ISBN: 3642815022 ISBN-13(EAN): 9783642815027
Издательство: Springer
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Описание: When I was a student, in the early fifties, the properties of gratings were generally explained according to the scalar theory of optics. Indeed those grating properties, we can call optical properties, were taught`in a satisfac- tory manner and the students were able to clearly understand the diffraction and dispersion of light by gratings.

Автор: Hans Joachim Eichler (Author), Peter G?nter (Autho
Название: Laser-Induced Dynamic Gratings
ISBN: 3662151979 ISBN-13(EAN): 9783662151976
Издательство: Springer
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Описание: Dynamic gratings have been induced in a large number ofsolids, liquids, and gases, and are detected by diffraction, `forced light scattering` of a third probing beam, or by self-diffraction of the light waves inducing the grating.

Автор: Hisham K. Hisham
Название: Fiber Bragg Grating Sensors: Development and Applications: Development and Applications
ISBN: 0367224852 ISBN-13(EAN): 9780367224851
Издательство: Taylor&Francis
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Описание: This book presents the basic principles of optical sensor technology in line with the tremendous development in the concept of optical fibers. It starts from the basic structure of optical fiber and progresses to examine the most important applications in optical sensors.