EPR and development of quantum electronics

A role of electron paramagnetic resonance in development of quantum electronics is discussed. Basic principles and history of masers are briefly described. Spin-levels of paramagnetic ions in crystals as a very suitable object for active media of solid-state masers (called as EPR-masers) and physica...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 324; no. 1; pp. 012001 - 9
Main Author Manenkov, A A
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 21.10.2011
Subjects
Communication systems
Communications systems
Cross relaxation
Crystals
Electron paramagnetic resonance
Electronics
Masers
Media
Physics
Population inversion
Quantum electronics
Space communication
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Summary:A role of electron paramagnetic resonance in development of quantum electronics is discussed. Basic principles and history of masers are briefly described. Spin-levels of paramagnetic ions in crystals as a very suitable object for active media of solid-state masers (called as EPR-masers) and physical processes in EPR-masers (population inversion of energy states) are analyzed. This analysis demonstrates a significant role of relaxation processes in multi-level spin-systems for efficient maser action. In this context peculiarities of spin-lattice and spin-spin cross relaxation processes in multi-level systems are analyzed. Development of EPR-masers and their application in radioastronomy and far-space communication systems are briefly described.
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ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/324/1/012001