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Optical Nonlinearities in Chalcogenide Glasses and their Applications: Springer Series in Optical Sciences, cartea 135

Autor A. Zakery, S.R. Elliott
en Limba Engleză Hardback – 19 iun 2007
Photonics,whichusesphotonsforinformationandimageprocessing,islabeled as one of the technologies of the 21st century, for which nonlinear op- cal processes provide the key functions of frequency conversion and optical switching. Chalcogenide glasses are based on the chalcogen elements S, Se, and Te. These glasses are formed by the addition of other elements such as Ge, As, Sb, Ga, etc. These glasses are low-phonon energy materials and are generally transparentfromthevisibletoinfrared.Chalcogenideglassescanbedopedby rare-earth elements such as Er, Nd, Pr, etc., and hence numerous applications ofactiveopticaldeviceshavebeenproposed.Theseglassesareopticallyhighly nonlinear and could therefore be useful for all-optical switching. This book is a review of recent progress in the science and technology of chalcogenide glasses, with an emphasis on their nonlinear optical properties, forgraduatestudents,practisingengineersandscientistsfromawidemultid- ciplinary area such as physics, chemistry, electrical engineering and material science. Since the interest in this area is growing worldwide, a book dealing with this subject will be of great value to researchers of varied backgrounds. Chalcogenide glasses and their electronic, structural, and photoinduced properties are introduced. Techniques to characterize the linear and nonlinear optical properties of these glasses are introduced and used to measure the optical constants of chalcogenide glasses in the form of bulk, thin ?lm and ?ber. The possibilities of fabricating passive and active devices are presented.
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Specificații

ISBN-13: 9783540710660
ISBN-10: 3540710663
Pagini: 216
Ilustrații: IX, 202 p.
Dimensiuni: 155 x 235 x 17 mm
Greutate: 0.41 kg
Ediția:2007
Editura: Springer Berlin, Heidelberg
Colecția Springer
Seria Springer Series in Optical Sciences

Locul publicării:Berlin, Heidelberg, Germany

Public țintă

Research

Cuprins

An Introduction to Chalcogenide Glasses.- Basic Concepts of Nonlinear Optics.- Experimental Techniques to Measure Nonlinear Optical Constants.- Measurement of Nonlinear Optical Constants.- Optical Nonlinearities in Chalcogenide Fibres.- Optical Switching in Chalcogenide Glasses.- Issues and Future Directions.

Textul de pe ultima copertă

Photonics, which uses photons for information and image processing, has been labeled the technology of the 21st century, for which non-linear optical processes provide the key functions of frequency conversion and optical switching. Chalcogenide glass fiber is one of the most promising candidates for use as a non-linear optical medium because of its high optical nonlinearity and long interaction length. Since the chalcogenide glass fibers transmit into the IR, there are numerous potential applications in the civil, medical and military areas. One of the most exciting developments in the future is going to be in the area of rare-earth ion doping of chalcogenide fibers for IR fluorescence emission. The IR light sources, lasers and amplifiers developed using this phenomena will be very useful in civil, medical and military applications. Remote IR spectroscopy and imaging using flexible fibers will be realized for applications. Other future research areas which will inevitably be explored includes non-linear optical properties of these IR glasses. High-speed optical communication requires ultra-fast all-optical processing and switching capabilities. The Kerr non-linearity, an ultrafast optical non-linearity, is often used as the basic switching mechanism. A practical, small device that can be switched ~ 1 pJ energies requires a large Kerr effect with minimal losses (both linear and non-linear). Chalcogenides have a Kerr non-linearity hundred of times larger that silica, making them excellent and unique for ultrafast all-optical devices. Results of non-linearity of chalcogenide glasses indicate the great potential of some of these glasses for all-optical switching and all-optical processing devices. 

Caracteristici

Includes supplementary material: sn.pub/extras