Cooperative Phenomena for New Coherent Radiation Sources PDF Download
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Author: R. A. McFarlane
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
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Book Description
The principal objective of this research is to investigate, both theoretically and experimentally, cooperative optical transitions in solids, with the goal of finding efficient systems for the generation of upconverted stimulated emission. Of interest also are new optical pair effects and studies of the resonance fluorescence and coherence on cooperative transitions. In the third year of the program, significant advances were made in the experimental aspects. Measurements of upconversion dynamics were made in erbium-doped crystals and in a fluorozirconate glass. Upconversion laser operation was observed at two visible wavelengths in YLiF4:Er 5% and pumping pathways identified. Spectral and lifetime studies are reported for promising new laser host materials. Upconversion lasers; Cooperative phenomena; Pair processes; Rare earth ions; Solid state lasers; Coherent sources; Yhrium; Lithium fluorides; Erbium. (mjm).
Author: R. A. McFarlane
Publisher:
ISBN:
Category :
Languages : en
Pages : 48
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Book Description
The principal objective of this research is to investigate, both theoretically and experimentally, cooperative optical transitions in solids, with the goal of finding efficient systems for the generation of upconverted stimulated emission. Of interest also are new optical pair effects and studies of the resonance fluorescence and coherence on cooperative transitions. In the third year of the program, significant advances were made in the experimental aspects. Measurements of upconversion dynamics were made in erbium-doped crystals and in a fluorozirconate glass. Upconversion laser operation was observed at two visible wavelengths in YLiF4:Er 5% and pumping pathways identified. Spectral and lifetime studies are reported for promising new laser host materials. Upconversion lasers; Cooperative phenomena; Pair processes; Rare earth ions; Solid state lasers; Coherent sources; Yhrium; Lithium fluorides; Erbium. (mjm).
Author: N. G. Basov
Publisher: Springer Science & Business Media
ISBN: 1475700555
Category : Science
Languages : en
Pages : 158
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Book Description
This anthology is devoted to the theoretical and experimental study of coherent phenomena in quantum optics. Considerable attention is devoted to the investigation of cooperative effects in multilevel molecular and atomic systems. The theoretical analysis is based on a single approach, using the theory of groups, which makes it possible to present the results in a compact and physically elegant form. The results of a detailed experimental and theoretical investigation of the photon echo, self-induced transparency, and nutation are presented. The theory of a coherent resonant mechanism for the interaction of laser radiation with multi atomic molecules which causes "prompt" dissociation is presented. A number of applied pos sibilities, in particular, the control of radiation by laser light and laser isotope separation, are analyzed.
Author: N. G. Basov
Publisher: Springer
ISBN:
Category : Philosophy
Languages : en
Pages : 168
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Book Description
This anthology is devoted to the theoretical and experimental study of coherent phenom ena in quantum optics. Considerable attention is devoted to the investigation of cooperative effects in multilevel molecular and atomic systems. The theoretical analysis is based on a single approach, using the theory of groups, which makes it possible to present the results in a compact and physically elegant form. The results of a detailed experimental and theoretical investigation of the photon echo, self-induced transparency, and nutation are presented. The theory of a coherent resonant mechanism for the interaction of laser radiation with multi atomic molecules which causes "prompt" dissociation is presented. A number of applied pos sibilities, in particular, the control of radiation by laser light and laser isotope separation, are analyzed. v CONTENTS Coherent Physics and Its Applications. • . . • • . . • . . . . . . . . . . • • • • . . . • . . . . 1 L. A. Shelepin Superradiance Effects in Molecular Systems. . . . . • . . . . . . • . . • • • . . • . . . 19 • . . I. M. Lizin, T. M. Makhviladze, and L. A. Shelepin Coherence and Radiation Control in Multilevel Systems . . . . • • • • • • . . • • . . . . 35 • V. P. Kudrya, T. M. Makhviladze, 1. G. Sinitsyn, and L. A. Shelepin Difference Methods and Their Role in the Theory of Coherent Phenomena. . . . • . . 53 V. P. Karasev and L. A. Shelepin A study of the Coherent Interaction of Pulsed Infrared Radiation with Molecular Gases. . • . . . . . . . . . . . . . . . • . . . . • . . . . . . . . • • . . • . . . . 89 . . . . . . . . • S. S.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 988
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1148
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Author: Ashok Vaseashta
Publisher: Springer Science & Business Media
ISBN: 9400724888
Category : Science
Languages : en
Pages : 396
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Book Description
This book arises from the NATO Advanced Study Institute “Technological Innovations in Detection and Sensing of CBRN Agents and Ecological Terrorism” held in Chisinau, Republic of Moldova in June 2010. It comprises a variety of invited contributions by highly experienced educators, scientists, and industrialists, and is structured to cover important aspects of the field that include developments in chemical-biological, and radiation sensing, synthesis and processing of sensors, and applications of sensors in detecting/monitoring contaminants introduced/dispersed inadvertently or intentionally in air, water, and food supplies. The book emphasizes nanomaterials and nanotechnology based sensing and also includes a section on sensing and detection technologies that can be applied to information security. Finally, it examines regional, national, and international policies and ethics related to nanomaterials and sensing. It will be of considerable interest and value to those already pursuing or considering careers in the field of nanostructured materials and nanotechnology based sensing, In general, it serves as a valuable source of information for those interested in how nanomaterials and nanotechnologies are advancing the field of sensing, detection, and remediation, policy makers, and commanders in the field.
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Category : Power resources
Languages : en
Pages : 536
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Author:
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ISBN:
Category :
Languages : en
Pages : 532
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Author: Andreev
Publisher: CRC Press
ISBN: 9780750302197
Category : Technology & Engineering
Languages : en
Pages : 500
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Book Description
Cooperative Effects in Optics: Superradiance and Phase Transitions presents a systematic treatment of the modern theory of cooperative optical phenomena-processes in which the behavior of many-body systems of radiators or absorbers is essentially determined by their collective interactions with each other. The book focuses on the theory of collective spontaneous radiation (superradiance) and provides a detailed physical explanation of the mechanism of collective spontaneous emission. It considers numerous models of novel nonequilibrium light-induced phase transitions in a typical quantum electronics system, including two-level atoms interacting with the radiation field and more complex systems of three-level atoms, two-bank semiconductors, and other interatomic interactions with the electrostatic and lattice displacement fields. The book uses some of these models for the interpretation of experimentally observed light-induced critical phenomena. Cooperative Effects in Optics is of great value to research workers in the field of cooperative optical phenomena, especially in the determination of the physical essence of theoretical models developed to describe cooperative effects in multi-atomic systems.
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 594
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