"Version: 20241001"--Title page verso.

Includes bibliographical references.

part I. Fundamentals of the diatomic molecule. 1. Primer on diatomic spectroscopy -- 2. Formal quantum mechanics of diatomic molecular spectroscopy -- 3. Line strength computations -- 4. Framework of the Wigner-Witmer eigenfunction -- 5. Derivation of the Wigner-Witmer eigenfunction -- 6. Diatomic formula inferred from the Wigner-Witmer eigenfunction -- 7. Hund's cases (a) and (b) -- 8. Basis set for the diatomic molecule -- 9. Angular momentum states of diatomic molecules -- 10. Diatomic parity -- 11. The Condon and Shortley line strength -- 12. H�onl-London line-strength factors in Hund's Cases (a) and (b) -- 13. Using the Morse potential in diatomic spectroscopy

part II. Selected applications of diatomic spectroscopy. 14. Introduction to applications of diatomic spectroscopy -- 15. Computation of selected diatomic spectra -- 16. Experimental arrangement for laser-plasma diagnosis -- 17. Methylidyne, CH, cavity ring-down spectroscopy in a microwave plasma discharge -- 18. Cyanide, CN -- 19. Cyanide molecular laser-induced breakdown spectroscopy with current databases -- 20. Diatomic carbon, C2 -- 21. Laser plasma carbon Swan bands fitting with current databases -- 22. Aluminum monoxide, AlO -- 23. AlO laser-plasma emission spectra analysis with current databases -- 24. Hydroxyl, OH -- 25. Hydroxyl laser-plasma emission spectra analysis with current databases -- 26. OH laser-induced breakdown spectroscopy and shadowgraphy -- 27. Titanium Monoxide, TiO -- 28. Nitric Oxide, NO -- 29. Radial electron density measurements in laser plasma from Abel-inverted hydrogen Balmer beta line profiles -- 30. Hypersonic imaging and emission spectroscopy of hydrogen and cyanide following laser-induced optical breakdown

part III. Appendices. Appendix A. Review of angular momentum commutators -- Appendix B. Effects of raising and lowering operators -- Appendix C. Modified Boltzmann plots -- Appendix D. Aspects of nitric oxide computations -- Appendix E. Parity in diatomic molecules -- Appendix F. Rotational line strengths for the CN BX (5,4) band -- Appendix G. Intrinsic parity of the diatomic molecule -- Appendix H. Review of diatomic laser-induced breakdown spectroscopy -- Appendix I. Program MorseFCF.for -- Appendix J. Boltzmann equilibrium spectrum (BESP) and Nelder-Mead temperature (NMT) scripts -- Appendix K. Abel-inversion scripts -- Appendix L. LIBS: 2018 to 2023 publications that include C.G.P.

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In this book, the authors describe how quantum mechanics can be used to predict diatomic molecule spectra in a gaseous state by discussing the calculation of their spectral line intensities. The book provides a comprehensive overview on diatomic molecule fundamentals before emphasising the applications of spectroscopy predictions in analysis of experimental data. With over 30 years of experience in measurements and quantitative analysis of recorded data, the authors communicate valuable references to any academic engaged in the field of spectroscopy and the book serves as a comprehensive guide to anyone with a genuine interest in the subject. This new edition includes ten new chapters and three new appendices including Abel Inversion of recorded data, measurement of shadowgraphs, and application of line strength data for analysis of light from excited 2-atom molecules. Part of IOP Series in Coherent Sources, Quantum Fundamentals, and Applications.

Optical engineers and electrical engineers - those studying or working with spectroscopy, quantum engineers.

Also available in print.

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Christian G. Parigger has been an Associate Professor of Physics and Astronomy at the University of Tennessee from 1996 to 2023. His research interests include fundamental and applied spectroscopy, nonlinear optics, quantum optics, ultrafast phenomena, ultrasensitive diagnostics, lasers, combustion and plasma physics, optical diagnostics, biomedical applications, and in general, atomic and molecular and optical (AMO) Physics. His work encompasses experimental, theoretical and computational research together with teaching, service, and outreach at the Center for Laser Applications (CLA) at The University of Tennessee Space Institute, USA. James O. Hornkohl has made research contributions encompassing spectroscopy of diatomic molecules and its application to diagnosis of combustion, plasmas, rocket propulsion and related problems. The extensive collaboration of the two authors during more than 30 years at the CLA has been most stimulating and encouraging.

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