Radiation Trapping in Atomic Vapours

Hardcover | October 1, 1998

byAndreas F. Molisch, Bernhard P. Oehry

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Radiation from spectral lines can be absorbed and re- emitted many times in atomic vapours before it reaches the boundaries of the container encasing the vapour. This effect is known as radiation trapping. It plays an important role practically everywhere where atomic vapours occur, e.g. inspectroscopy, in gas lasers, in atomic line filters, in the determination of atomic lifetimes, in measurements of atomic interaction potentials, and in electric discharge lamps. This book for the first time assembles all the information necessary for a treatment of practical problems, emphasizingboth physical insights and mathematical methods. After an introduction that reviews resonance radiation and collisional processes in atomic vapours, physical effects and mathematical methods for various types of problems (e.g. with or without saturation, particle diffusion, reflecting cell walls,etc.) are explained in detail. The last part of the book describes the applications of these methods to a variety of practical problems like cross-section measurements or the design of discharge lamps.

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Radiation from spectral lines can be absorbed and re- emitted many times in atomic vapours before it reaches the boundaries of the container encasing the vapour. This effect is known as radiation trapping. It plays an important role practically everywhere where atomic vapours occur, e.g. inspectroscopy, in gas lasers, in atomic line fi...

Andreas F. Molisch and Bernhard P. Oehry are both at the Technische Universitat Vienna.

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Format:HardcoverPublished:October 1, 1998Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0198538669

ISBN - 13:9780198538660

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Table of Contents

Part I: Background1. Introduction2. Atomic line shapes3. Collisions, quenching, and particle diffusionPart II: The Classical Radiation Trapping Problem4. Formulation of the classical problems5. Mathematical methods for the Holstein equation6. Mathematical methods for the Multiple-Scattering representation7. Fitting equations and physical interpretation8. The Milne and Eddington approximations9. Solution of the transfer equationPart III: Generalized Trapping Problems10. Simple generalizations11. Partial frequency redistribution12. Polarization13. Non-linear radiation trapping14. Combination of techniquesPart IV: Applications15. Measurements in chemical physics16. Simulations of optically pumped gas lasers17. Atomic line filters18. Discharge lamps and plasmas